/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/09-regions_01-list_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 15:08:56,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 15:08:56,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 15:08:56,114 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 15:08:56,114 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 15:08:56,115 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 15:08:56,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 15:08:56,116 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 15:08:56,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 15:08:56,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 15:08:56,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 15:08:56,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 15:08:56,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 15:08:56,120 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 15:08:56,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 15:08:56,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 15:08:56,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 15:08:56,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 15:08:56,123 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 15:08:56,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 15:08:56,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 15:08:56,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 15:08:56,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 15:08:56,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 15:08:56,129 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 15:08:56,129 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 15:08:56,129 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 15:08:56,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 15:08:56,130 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 15:08:56,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-15 15:08:56,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-15 15:08:56,131 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-15 15:08:56,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-15 15:08:56,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-15 15:08:56,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-15 15:08:56,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-15 15:08:56,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-15 15:08:56,133 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-15 15:08:56,133 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 15:08:56,134 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 15:08:56,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 15:08:56,135 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-15 15:08:56,148 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 15:08:56,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 15:08:56,149 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-15 15:08:56,149 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-15 15:08:56,149 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 15:08:56,149 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 15:08:56,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 15:08:56,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 15:08:56,150 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 15:08:56,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 15:08:56,150 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 15:08:56,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 15:08:56,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 15:08:56,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 15:08:56,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 15:08:56,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 15:08:56,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 15:08:56,151 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 15:08:56,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 15:08:56,151 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 15:08:56,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 15:08:56,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 15:08:56,152 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 15:08:56,152 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 15:08:56,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 15:08:56,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 15:08:56,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 15:08:56,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-15 15:08:56,152 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 15:08:56,153 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 15:08:56,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 15:08:56,153 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-15 15:08:56,153 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 15:08:56,153 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-15 15:08:56,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 15:08:56,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 15:08:56,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 15:08:56,331 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 15:08:56,333 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 15:08:56,334 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_01-list_rc.i [2022-03-15 15:08:56,375 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e7b1ea1e/007f84a6c053474d9567f792067a04f4/FLAG08b2ce8f7 [2022-03-15 15:08:56,872 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 15:08:56,873 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_01-list_rc.i [2022-03-15 15:08:56,904 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e7b1ea1e/007f84a6c053474d9567f792067a04f4/FLAG08b2ce8f7 [2022-03-15 15:08:57,407 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e7b1ea1e/007f84a6c053474d9567f792067a04f4 [2022-03-15 15:08:57,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 15:08:57,412 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 15:08:57,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 15:08:57,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 15:08:57,419 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 15:08:57,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 03:08:57" (1/1) ... [2022-03-15 15:08:57,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f920f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:57, skipping insertion in model container [2022-03-15 15:08:57,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 03:08:57" (1/1) ... [2022-03-15 15:08:57,424 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 15:08:57,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 15:08:57,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 15:08:57,880 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 15:08:57,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 15:08:57,964 INFO L208 MainTranslator]: Completed translation [2022-03-15 15:08:57,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:57 WrapperNode [2022-03-15 15:08:57,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 15:08:57,966 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 15:08:57,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 15:08:57,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 15:08:57,971 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:57" (1/1) ... [2022-03-15 15:08:57,994 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:57" (1/1) ... [2022-03-15 15:08:58,016 INFO L137 Inliner]: procedures = 368, calls = 40, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 176 [2022-03-15 15:08:58,016 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 15:08:58,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 15:08:58,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 15:08:58,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 15:08:58,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:57" (1/1) ... [2022-03-15 15:08:58,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:57" (1/1) ... [2022-03-15 15:08:58,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:57" (1/1) ... [2022-03-15 15:08:58,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:57" (1/1) ... [2022-03-15 15:08:58,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:57" (1/1) ... [2022-03-15 15:08:58,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:57" (1/1) ... [2022-03-15 15:08:58,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:57" (1/1) ... [2022-03-15 15:08:58,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 15:08:58,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 15:08:58,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 15:08:58,058 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 15:08:58,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:57" (1/1) ... [2022-03-15 15:08:58,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 15:08:58,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:08:58,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-15 15:08:58,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-15 15:08:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 15:08:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-15 15:08:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 15:08:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 15:08:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 15:08:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-15 15:08:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-15 15:08:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 15:08:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-15 15:08:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-15 15:08:58,140 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-15 15:08:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 15:08:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 15:08:58,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 15:08:58,141 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-15 15:08:58,234 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 15:08:58,235 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 15:08:58,500 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 15:08:58,513 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 15:08:58,513 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-15 15:08:58,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 03:08:58 BoogieIcfgContainer [2022-03-15 15:08:58,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 15:08:58,519 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 15:08:58,519 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 15:08:58,521 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 15:08:58,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 03:08:57" (1/3) ... [2022-03-15 15:08:58,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25972f4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 03:08:58, skipping insertion in model container [2022-03-15 15:08:58,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:08:57" (2/3) ... [2022-03-15 15:08:58,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25972f4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 03:08:58, skipping insertion in model container [2022-03-15 15:08:58,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 03:08:58" (3/3) ... [2022-03-15 15:08:58,523 INFO L111 eAbstractionObserver]: Analyzing ICFG 09-regions_01-list_rc.i [2022-03-15 15:08:58,526 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 15:08:58,526 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-15 15:08:58,527 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2022-03-15 15:08:58,527 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 15:08:58,584 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,585 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,586 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,612 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,613 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,614 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,615 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,616 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,617 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,617 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,617 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,617 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,617 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,617 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,617 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,618 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,618 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,618 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,618 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,618 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,618 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,619 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,619 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,619 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,619 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,619 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,620 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,620 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,621 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,621 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,621 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,621 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,622 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,622 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,624 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,624 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,624 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,624 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,624 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,624 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,625 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,625 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,625 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,625 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,626 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,626 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,626 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,626 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,626 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,626 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,627 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,628 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,628 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,628 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,628 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,628 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,628 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,628 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,629 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,629 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,629 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,629 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,629 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,629 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,631 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,632 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,632 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,632 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,632 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,632 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,633 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,633 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,634 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,634 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,635 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,635 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,635 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,636 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,637 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,637 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,637 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,637 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,637 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,638 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,638 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,638 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,639 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,639 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,639 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,639 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,639 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,640 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,640 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,640 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,640 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,640 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,640 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,640 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,641 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,641 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,641 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,641 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,641 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,641 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,642 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,642 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,642 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,649 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,650 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,654 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,655 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,655 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,655 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,655 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,655 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,655 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,656 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,659 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet36#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,659 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,659 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,659 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,659 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,660 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~x#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,660 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,660 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,660 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,660 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,660 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~malloc32#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,660 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,661 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,661 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,661 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,661 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,661 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#in~p#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,661 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,661 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,662 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,662 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,662 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem34#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,662 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_init_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:08:58,670 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 15:08:58,716 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 15:08:58,722 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 15:08:58,722 INFO L340 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2022-03-15 15:08:58,742 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 211 places, 207 transitions, 419 flow [2022-03-15 15:08:58,825 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2306 states, 2267 states have (on average 1.9426554918394354) internal successors, (4404), 2305 states have internal predecessors, (4404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:58,830 INFO L276 IsEmpty]: Start isEmpty. Operand has 2306 states, 2267 states have (on average 1.9426554918394354) internal successors, (4404), 2305 states have internal predecessors, (4404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:58,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-03-15 15:08:58,835 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:58,836 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:58,836 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:08:58,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:58,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1246807347, now seen corresponding path program 1 times [2022-03-15 15:08:58,846 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:58,847 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887504554] [2022-03-15 15:08:58,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:58,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:59,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:59,132 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:59,132 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887504554] [2022-03-15 15:08:59,133 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887504554] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:59,133 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:08:59,133 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:08:59,135 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102507226] [2022-03-15 15:08:59,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:59,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:08:59,139 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:59,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:08:59,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:08:59,164 INFO L87 Difference]: Start difference. First operand has 2306 states, 2267 states have (on average 1.9426554918394354) internal successors, (4404), 2305 states have internal predecessors, (4404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:59,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:59,395 INFO L93 Difference]: Finished difference Result 2304 states and 4402 transitions. [2022-03-15 15:08:59,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:08:59,397 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2022-03-15 15:08:59,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:59,423 INFO L225 Difference]: With dead ends: 2304 [2022-03-15 15:08:59,423 INFO L226 Difference]: Without dead ends: 2304 [2022-03-15 15:08:59,424 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:08:59,428 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 2 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:59,430 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 558 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 15:08:59,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2304 states. [2022-03-15 15:08:59,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2304 to 2304. [2022-03-15 15:08:59,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2304 states, 2267 states have (on average 1.941773268636965) internal successors, (4402), 2303 states have internal predecessors, (4402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:59,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2304 states to 2304 states and 4402 transitions. [2022-03-15 15:08:59,524 INFO L78 Accepts]: Start accepts. Automaton has 2304 states and 4402 transitions. Word has length 44 [2022-03-15 15:08:59,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:59,525 INFO L470 AbstractCegarLoop]: Abstraction has 2304 states and 4402 transitions. [2022-03-15 15:08:59,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:59,525 INFO L276 IsEmpty]: Start isEmpty. Operand 2304 states and 4402 transitions. [2022-03-15 15:08:59,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-03-15 15:08:59,526 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:59,526 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:59,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 15:08:59,526 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:08:59,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:59,529 INFO L85 PathProgramCache]: Analyzing trace with hash -607585706, now seen corresponding path program 1 times [2022-03-15 15:08:59,529 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:59,529 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280169606] [2022-03-15 15:08:59,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:59,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:59,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:59,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:59,665 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:59,666 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280169606] [2022-03-15 15:08:59,666 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280169606] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:59,666 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:08:59,666 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:08:59,666 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883599619] [2022-03-15 15:08:59,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:59,667 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:08:59,668 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:59,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:08:59,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:08:59,671 INFO L87 Difference]: Start difference. First operand 2304 states and 4402 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:59,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:59,768 INFO L93 Difference]: Finished difference Result 2302 states and 4400 transitions. [2022-03-15 15:08:59,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:08:59,769 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-03-15 15:08:59,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:59,776 INFO L225 Difference]: With dead ends: 2302 [2022-03-15 15:08:59,776 INFO L226 Difference]: Without dead ends: 2302 [2022-03-15 15:08:59,777 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:08:59,778 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 4 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:59,778 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 314 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 15:08:59,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2302 states. [2022-03-15 15:08:59,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2302 to 2302. [2022-03-15 15:08:59,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2302 states, 2267 states have (on average 1.940891045434495) internal successors, (4400), 2301 states have internal predecessors, (4400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:59,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2302 states to 2302 states and 4400 transitions. [2022-03-15 15:08:59,820 INFO L78 Accepts]: Start accepts. Automaton has 2302 states and 4400 transitions. Word has length 52 [2022-03-15 15:08:59,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:08:59,821 INFO L470 AbstractCegarLoop]: Abstraction has 2302 states and 4400 transitions. [2022-03-15 15:08:59,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:59,821 INFO L276 IsEmpty]: Start isEmpty. Operand 2302 states and 4400 transitions. [2022-03-15 15:08:59,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-03-15 15:08:59,824 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:08:59,824 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:08:59,824 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 15:08:59,824 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:08:59,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:08:59,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1856806696, now seen corresponding path program 1 times [2022-03-15 15:08:59,825 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:08:59,825 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092502356] [2022-03-15 15:08:59,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:08:59,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:08:59,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:08:59,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:08:59,935 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:08:59,936 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092502356] [2022-03-15 15:08:59,936 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092502356] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:08:59,936 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:08:59,936 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 15:08:59,937 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614906182] [2022-03-15 15:08:59,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:08:59,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:08:59,937 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:08:59,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:08:59,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:08:59,938 INFO L87 Difference]: Start difference. First operand 2302 states and 4400 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:08:59,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:08:59,959 INFO L93 Difference]: Finished difference Result 2301 states and 4399 transitions. [2022-03-15 15:08:59,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:08:59,959 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-03-15 15:08:59,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:08:59,966 INFO L225 Difference]: With dead ends: 2301 [2022-03-15 15:08:59,966 INFO L226 Difference]: Without dead ends: 2301 [2022-03-15 15:08:59,968 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:08:59,972 INFO L933 BasicCegarLoop]: 199 mSDtfsCounter, 2 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:08:59,973 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 378 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:08:59,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2301 states. [2022-03-15 15:09:00,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2301 to 2301. [2022-03-15 15:09:00,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2301 states, 2267 states have (on average 1.94044993383326) internal successors, (4399), 2300 states have internal predecessors, (4399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:00,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2301 states to 2301 states and 4399 transitions. [2022-03-15 15:09:00,015 INFO L78 Accepts]: Start accepts. Automaton has 2301 states and 4399 transitions. Word has length 59 [2022-03-15 15:09:00,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:00,017 INFO L470 AbstractCegarLoop]: Abstraction has 2301 states and 4399 transitions. [2022-03-15 15:09:00,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:00,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2301 states and 4399 transitions. [2022-03-15 15:09:00,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-03-15 15:09:00,018 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:00,018 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:00,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 15:09:00,019 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:00,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:00,019 INFO L85 PathProgramCache]: Analyzing trace with hash 85833681, now seen corresponding path program 1 times [2022-03-15 15:09:00,019 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:00,019 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085268577] [2022-03-15 15:09:00,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:00,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:00,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:00,066 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:00,066 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085268577] [2022-03-15 15:09:00,066 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085268577] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:00,066 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:00,066 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 15:09:00,067 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833610274] [2022-03-15 15:09:00,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:00,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:09:00,067 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:00,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:09:00,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:09:00,068 INFO L87 Difference]: Start difference. First operand 2301 states and 4399 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:00,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:00,089 INFO L93 Difference]: Finished difference Result 2167 states and 4136 transitions. [2022-03-15 15:09:00,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:09:00,089 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-03-15 15:09:00,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:00,095 INFO L225 Difference]: With dead ends: 2167 [2022-03-15 15:09:00,095 INFO L226 Difference]: Without dead ends: 2167 [2022-03-15 15:09:00,096 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:09:00,100 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 130 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:00,101 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 249 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:09:00,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2167 states. [2022-03-15 15:09:00,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2167 to 2167. [2022-03-15 15:09:00,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2167 states, 2149 states have (on average 1.924616100511866) internal successors, (4136), 2166 states have internal predecessors, (4136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:00,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2167 states to 2167 states and 4136 transitions. [2022-03-15 15:09:00,145 INFO L78 Accepts]: Start accepts. Automaton has 2167 states and 4136 transitions. Word has length 63 [2022-03-15 15:09:00,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:00,145 INFO L470 AbstractCegarLoop]: Abstraction has 2167 states and 4136 transitions. [2022-03-15 15:09:00,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:00,146 INFO L276 IsEmpty]: Start isEmpty. Operand 2167 states and 4136 transitions. [2022-03-15 15:09:00,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-03-15 15:09:00,146 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:00,146 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:00,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 15:09:00,147 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:00,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:00,147 INFO L85 PathProgramCache]: Analyzing trace with hash -409921448, now seen corresponding path program 1 times [2022-03-15 15:09:00,148 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:00,148 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661763323] [2022-03-15 15:09:00,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:00,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:00,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:00,284 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:00,284 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661763323] [2022-03-15 15:09:00,284 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661763323] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:00,284 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:00,284 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:09:00,284 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118197246] [2022-03-15 15:09:00,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:00,285 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:09:00,285 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:00,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:09:00,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:00,285 INFO L87 Difference]: Start difference. First operand 2167 states and 4136 transitions. Second operand has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:00,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:00,380 INFO L93 Difference]: Finished difference Result 2166 states and 4135 transitions. [2022-03-15 15:09:00,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:09:00,380 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-03-15 15:09:00,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:00,386 INFO L225 Difference]: With dead ends: 2166 [2022-03-15 15:09:00,386 INFO L226 Difference]: Without dead ends: 2166 [2022-03-15 15:09:00,386 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:00,387 INFO L933 BasicCegarLoop]: 190 mSDtfsCounter, 2 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:00,387 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 424 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 15:09:00,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2166 states. [2022-03-15 15:09:00,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2166 to 2166. [2022-03-15 15:09:00,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2166 states, 2149 states have (on average 1.9241507677989762) internal successors, (4135), 2165 states have internal predecessors, (4135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:00,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2166 states to 2166 states and 4135 transitions. [2022-03-15 15:09:00,446 INFO L78 Accepts]: Start accepts. Automaton has 2166 states and 4135 transitions. Word has length 94 [2022-03-15 15:09:00,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:00,447 INFO L470 AbstractCegarLoop]: Abstraction has 2166 states and 4135 transitions. [2022-03-15 15:09:00,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:00,448 INFO L276 IsEmpty]: Start isEmpty. Operand 2166 states and 4135 transitions. [2022-03-15 15:09:00,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-03-15 15:09:00,454 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:00,454 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:00,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-15 15:09:00,455 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:00,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:00,455 INFO L85 PathProgramCache]: Analyzing trace with hash 999506412, now seen corresponding path program 1 times [2022-03-15 15:09:00,455 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:00,455 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816781473] [2022-03-15 15:09:00,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:00,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:00,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:00,577 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:00,577 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816781473] [2022-03-15 15:09:00,577 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816781473] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:00,578 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:00,578 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:09:00,578 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552157386] [2022-03-15 15:09:00,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:00,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:09:00,578 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:00,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:09:00,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:00,579 INFO L87 Difference]: Start difference. First operand 2166 states and 4135 transitions. Second operand has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:00,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:00,955 INFO L93 Difference]: Finished difference Result 3298 states and 6312 transitions. [2022-03-15 15:09:00,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:09:00,957 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111 [2022-03-15 15:09:00,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:00,968 INFO L225 Difference]: With dead ends: 3298 [2022-03-15 15:09:00,969 INFO L226 Difference]: Without dead ends: 3298 [2022-03-15 15:09:00,969 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:00,969 INFO L933 BasicCegarLoop]: 304 mSDtfsCounter, 264 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:00,969 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [264 Valid, 718 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 15:09:00,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3298 states. [2022-03-15 15:09:01,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3298 to 2300. [2022-03-15 15:09:01,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2300 states, 2286 states have (on average 1.9238845144356955) internal successors, (4398), 2299 states have internal predecessors, (4398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:01,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2300 states to 2300 states and 4398 transitions. [2022-03-15 15:09:01,015 INFO L78 Accepts]: Start accepts. Automaton has 2300 states and 4398 transitions. Word has length 111 [2022-03-15 15:09:01,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:01,015 INFO L470 AbstractCegarLoop]: Abstraction has 2300 states and 4398 transitions. [2022-03-15 15:09:01,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.2) internal successors, (111), 6 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:01,015 INFO L276 IsEmpty]: Start isEmpty. Operand 2300 states and 4398 transitions. [2022-03-15 15:09:01,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-03-15 15:09:01,016 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:01,016 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:01,016 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-15 15:09:01,017 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:01,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:01,017 INFO L85 PathProgramCache]: Analyzing trace with hash 714264328, now seen corresponding path program 1 times [2022-03-15 15:09:01,017 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:01,017 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648149508] [2022-03-15 15:09:01,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:01,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:01,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:01,107 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:01,107 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648149508] [2022-03-15 15:09:01,107 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648149508] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:01,107 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:01,108 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:09:01,108 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252241173] [2022-03-15 15:09:01,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:01,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:09:01,108 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:01,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:09:01,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:01,109 INFO L87 Difference]: Start difference. First operand 2300 states and 4398 transitions. Second operand has 6 states, 5 states have (on average 23.2) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:01,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:01,294 INFO L93 Difference]: Finished difference Result 2414 states and 4621 transitions. [2022-03-15 15:09:01,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:09:01,294 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.2) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-03-15 15:09:01,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:01,302 INFO L225 Difference]: With dead ends: 2414 [2022-03-15 15:09:01,302 INFO L226 Difference]: Without dead ends: 2414 [2022-03-15 15:09:01,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:01,303 INFO L933 BasicCegarLoop]: 265 mSDtfsCounter, 95 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:01,303 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 462 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 15:09:01,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2414 states. [2022-03-15 15:09:01,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2414 to 2387. [2022-03-15 15:09:01,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2387 states, 2373 states have (on average 1.9249894648124737) internal successors, (4568), 2386 states have internal predecessors, (4568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:01,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2387 states to 2387 states and 4568 transitions. [2022-03-15 15:09:01,362 INFO L78 Accepts]: Start accepts. Automaton has 2387 states and 4568 transitions. Word has length 116 [2022-03-15 15:09:01,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:01,363 INFO L470 AbstractCegarLoop]: Abstraction has 2387 states and 4568 transitions. [2022-03-15 15:09:01,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.2) internal successors, (116), 6 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:01,363 INFO L276 IsEmpty]: Start isEmpty. Operand 2387 states and 4568 transitions. [2022-03-15 15:09:01,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-03-15 15:09:01,364 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:01,364 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:01,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-15 15:09:01,365 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:01,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:01,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1088143909, now seen corresponding path program 1 times [2022-03-15 15:09:01,365 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:01,365 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048521707] [2022-03-15 15:09:01,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:01,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:01,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:01,449 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:01,449 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048521707] [2022-03-15 15:09:01,449 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048521707] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:01,449 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:01,449 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:09:01,449 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124198945] [2022-03-15 15:09:01,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:01,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:09:01,450 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:01,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:09:01,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:01,450 INFO L87 Difference]: Start difference. First operand 2387 states and 4568 transitions. Second operand has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:01,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:01,685 INFO L93 Difference]: Finished difference Result 3031 states and 5788 transitions. [2022-03-15 15:09:01,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:09:01,685 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-03-15 15:09:01,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:01,694 INFO L225 Difference]: With dead ends: 3031 [2022-03-15 15:09:01,694 INFO L226 Difference]: Without dead ends: 2926 [2022-03-15 15:09:01,694 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:01,695 INFO L933 BasicCegarLoop]: 329 mSDtfsCounter, 212 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:01,695 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [212 Valid, 555 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 15:09:01,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2926 states. [2022-03-15 15:09:01,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2926 to 2476. [2022-03-15 15:09:01,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2476 states, 2462 states have (on average 1.9240454914703493) internal successors, (4737), 2475 states have internal predecessors, (4737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:01,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2476 states to 2476 states and 4737 transitions. [2022-03-15 15:09:01,732 INFO L78 Accepts]: Start accepts. Automaton has 2476 states and 4737 transitions. Word has length 120 [2022-03-15 15:09:01,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:01,732 INFO L470 AbstractCegarLoop]: Abstraction has 2476 states and 4737 transitions. [2022-03-15 15:09:01,732 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.0) internal successors, (120), 6 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:01,732 INFO L276 IsEmpty]: Start isEmpty. Operand 2476 states and 4737 transitions. [2022-03-15 15:09:01,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:01,733 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:01,734 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:01,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-15 15:09:01,734 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:01,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:01,734 INFO L85 PathProgramCache]: Analyzing trace with hash 455239617, now seen corresponding path program 1 times [2022-03-15 15:09:01,734 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:01,734 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852753213] [2022-03-15 15:09:01,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:01,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:01,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:01,890 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:01,890 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852753213] [2022-03-15 15:09:01,890 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852753213] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:01,890 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:01,890 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:01,890 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944959243] [2022-03-15 15:09:01,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:01,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:01,891 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:01,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:01,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:01,891 INFO L87 Difference]: Start difference. First operand 2476 states and 4737 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:03,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:03,073 INFO L93 Difference]: Finished difference Result 3527 states and 6693 transitions. [2022-03-15 15:09:03,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-15 15:09:03,073 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:03,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:03,084 INFO L225 Difference]: With dead ends: 3527 [2022-03-15 15:09:03,084 INFO L226 Difference]: Without dead ends: 3492 [2022-03-15 15:09:03,084 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=264, Invalid=1068, Unknown=0, NotChecked=0, Total=1332 [2022-03-15 15:09:03,085 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 973 mSDsluCounter, 1829 mSDsCounter, 0 mSdLazyCounter, 1567 mSolverCounterSat, 316 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 973 SdHoareTripleChecker+Valid, 2102 SdHoareTripleChecker+Invalid, 1883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 316 IncrementalHoareTripleChecker+Valid, 1567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:03,085 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [973 Valid, 2102 Invalid, 1883 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [316 Valid, 1567 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:09:03,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3492 states. [2022-03-15 15:09:03,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3492 to 2504. [2022-03-15 15:09:03,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2504 states, 2490 states have (on average 1.9248995983935744) internal successors, (4793), 2503 states have internal predecessors, (4793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:03,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2504 states to 2504 states and 4793 transitions. [2022-03-15 15:09:03,128 INFO L78 Accepts]: Start accepts. Automaton has 2504 states and 4793 transitions. Word has length 124 [2022-03-15 15:09:03,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:03,128 INFO L470 AbstractCegarLoop]: Abstraction has 2504 states and 4793 transitions. [2022-03-15 15:09:03,128 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:03,128 INFO L276 IsEmpty]: Start isEmpty. Operand 2504 states and 4793 transitions. [2022-03-15 15:09:03,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:03,129 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:03,129 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:03,130 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-15 15:09:03,130 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:03,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:03,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1248862262, now seen corresponding path program 1 times [2022-03-15 15:09:03,130 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:03,130 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473260729] [2022-03-15 15:09:03,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:03,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:03,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:03,320 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:03,320 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473260729] [2022-03-15 15:09:03,320 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473260729] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:03,320 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:03,320 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:03,320 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017930774] [2022-03-15 15:09:03,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:03,320 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:03,321 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:03,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:03,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:03,321 INFO L87 Difference]: Start difference. First operand 2504 states and 4793 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:04,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:04,103 INFO L93 Difference]: Finished difference Result 2793 states and 5308 transitions. [2022-03-15 15:09:04,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-15 15:09:04,103 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:04,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:04,108 INFO L225 Difference]: With dead ends: 2793 [2022-03-15 15:09:04,108 INFO L226 Difference]: Without dead ends: 2793 [2022-03-15 15:09:04,109 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=204, Invalid=666, Unknown=0, NotChecked=0, Total=870 [2022-03-15 15:09:04,109 INFO L933 BasicCegarLoop]: 295 mSDtfsCounter, 665 mSDsluCounter, 2082 mSDsCounter, 0 mSdLazyCounter, 1286 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 665 SdHoareTripleChecker+Valid, 2376 SdHoareTripleChecker+Invalid, 1344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 1286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:04,109 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [665 Valid, 2376 Invalid, 1344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 1286 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-15 15:09:04,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2793 states. [2022-03-15 15:09:04,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2793 to 2439. [2022-03-15 15:09:04,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2439 states, 2426 states have (on average 1.9220939818631493) internal successors, (4663), 2438 states have internal predecessors, (4663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:04,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 2439 states and 4663 transitions. [2022-03-15 15:09:04,142 INFO L78 Accepts]: Start accepts. Automaton has 2439 states and 4663 transitions. Word has length 124 [2022-03-15 15:09:04,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:04,142 INFO L470 AbstractCegarLoop]: Abstraction has 2439 states and 4663 transitions. [2022-03-15 15:09:04,142 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:04,142 INFO L276 IsEmpty]: Start isEmpty. Operand 2439 states and 4663 transitions. [2022-03-15 15:09:04,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:04,143 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:04,143 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:04,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-15 15:09:04,144 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:04,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:04,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1558702195, now seen corresponding path program 1 times [2022-03-15 15:09:04,144 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:04,144 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810383] [2022-03-15 15:09:04,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:04,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:04,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:04,214 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:04,214 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810383] [2022-03-15 15:09:04,214 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810383] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:04,214 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:04,215 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:09:04,215 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506426142] [2022-03-15 15:09:04,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:04,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:09:04,215 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:04,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:09:04,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:04,216 INFO L87 Difference]: Start difference. First operand 2439 states and 4663 transitions. Second operand has 6 states, 5 states have (on average 24.8) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:04,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:04,375 INFO L93 Difference]: Finished difference Result 2567 states and 4914 transitions. [2022-03-15 15:09:04,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:09:04,375 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.8) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:04,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:04,379 INFO L225 Difference]: With dead ends: 2567 [2022-03-15 15:09:04,379 INFO L226 Difference]: Without dead ends: 2567 [2022-03-15 15:09:04,380 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:09:04,380 INFO L933 BasicCegarLoop]: 265 mSDtfsCounter, 94 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:04,380 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [94 Valid, 583 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 15:09:04,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2567 states. [2022-03-15 15:09:04,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2567 to 2537. [2022-03-15 15:09:04,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2537 states, 2524 states have (on average 1.9235340729001584) internal successors, (4855), 2536 states have internal predecessors, (4855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:04,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2537 states to 2537 states and 4855 transitions. [2022-03-15 15:09:04,413 INFO L78 Accepts]: Start accepts. Automaton has 2537 states and 4855 transitions. Word has length 124 [2022-03-15 15:09:04,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:04,413 INFO L470 AbstractCegarLoop]: Abstraction has 2537 states and 4855 transitions. [2022-03-15 15:09:04,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.8) internal successors, (124), 6 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:04,413 INFO L276 IsEmpty]: Start isEmpty. Operand 2537 states and 4855 transitions. [2022-03-15 15:09:04,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:04,414 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:04,414 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:04,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-15 15:09:04,414 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:04,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:04,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1269686889, now seen corresponding path program 2 times [2022-03-15 15:09:04,415 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:04,415 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595393617] [2022-03-15 15:09:04,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:04,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:04,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:04,579 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:04,579 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595393617] [2022-03-15 15:09:04,579 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595393617] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:04,579 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:04,579 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:04,579 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803024672] [2022-03-15 15:09:04,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:04,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:04,580 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:04,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:04,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:04,580 INFO L87 Difference]: Start difference. First operand 2537 states and 4855 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:05,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:05,725 INFO L93 Difference]: Finished difference Result 5012 states and 9599 transitions. [2022-03-15 15:09:05,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-15 15:09:05,725 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:05,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:05,750 INFO L225 Difference]: With dead ends: 5012 [2022-03-15 15:09:05,750 INFO L226 Difference]: Without dead ends: 5012 [2022-03-15 15:09:05,751 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=283, Invalid=1049, Unknown=0, NotChecked=0, Total=1332 [2022-03-15 15:09:05,767 INFO L933 BasicCegarLoop]: 320 mSDtfsCounter, 896 mSDsluCounter, 1936 mSDsCounter, 0 mSdLazyCounter, 1756 mSolverCounterSat, 295 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 896 SdHoareTripleChecker+Valid, 2254 SdHoareTripleChecker+Invalid, 2051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 295 IncrementalHoareTripleChecker+Valid, 1756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:05,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [896 Valid, 2254 Invalid, 2051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [295 Valid, 1756 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:09:05,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5012 states. [2022-03-15 15:09:05,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5012 to 2545. [2022-03-15 15:09:05,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2545 states, 2532 states have (on average 1.9237756714060033) internal successors, (4871), 2544 states have internal predecessors, (4871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:05,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2545 states to 2545 states and 4871 transitions. [2022-03-15 15:09:05,901 INFO L78 Accepts]: Start accepts. Automaton has 2545 states and 4871 transitions. Word has length 124 [2022-03-15 15:09:05,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:05,901 INFO L470 AbstractCegarLoop]: Abstraction has 2545 states and 4871 transitions. [2022-03-15 15:09:05,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:05,901 INFO L276 IsEmpty]: Start isEmpty. Operand 2545 states and 4871 transitions. [2022-03-15 15:09:05,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:05,903 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:05,903 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:05,903 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-03-15 15:09:05,903 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:05,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:05,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1849253853, now seen corresponding path program 3 times [2022-03-15 15:09:05,904 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:05,904 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011738387] [2022-03-15 15:09:05,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:05,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:06,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:06,161 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:06,161 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011738387] [2022-03-15 15:09:06,161 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011738387] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:06,161 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:06,161 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:06,161 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736533459] [2022-03-15 15:09:06,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:06,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:06,162 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:06,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:06,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:06,162 INFO L87 Difference]: Start difference. First operand 2545 states and 4871 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:07,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:07,846 INFO L93 Difference]: Finished difference Result 5109 states and 9793 transitions. [2022-03-15 15:09:07,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-15 15:09:07,847 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:07,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:07,855 INFO L225 Difference]: With dead ends: 5109 [2022-03-15 15:09:07,855 INFO L226 Difference]: Without dead ends: 5109 [2022-03-15 15:09:07,855 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=293, Invalid=1113, Unknown=0, NotChecked=0, Total=1406 [2022-03-15 15:09:07,856 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 813 mSDsluCounter, 2245 mSDsCounter, 0 mSdLazyCounter, 2181 mSolverCounterSat, 263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 813 SdHoareTripleChecker+Valid, 2572 SdHoareTripleChecker+Invalid, 2444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 2181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:07,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [813 Valid, 2572 Invalid, 2444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [263 Valid, 2181 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 15:09:07,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5109 states. [2022-03-15 15:09:07,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5109 to 2545. [2022-03-15 15:09:07,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2545 states, 2532 states have (on average 1.9237756714060033) internal successors, (4871), 2544 states have internal predecessors, (4871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:07,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2545 states to 2545 states and 4871 transitions. [2022-03-15 15:09:07,922 INFO L78 Accepts]: Start accepts. Automaton has 2545 states and 4871 transitions. Word has length 124 [2022-03-15 15:09:07,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:07,922 INFO L470 AbstractCegarLoop]: Abstraction has 2545 states and 4871 transitions. [2022-03-15 15:09:07,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:07,922 INFO L276 IsEmpty]: Start isEmpty. Operand 2545 states and 4871 transitions. [2022-03-15 15:09:07,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:07,923 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:07,923 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:07,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-03-15 15:09:07,924 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:07,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:07,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1900965583, now seen corresponding path program 4 times [2022-03-15 15:09:07,924 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:07,924 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339175164] [2022-03-15 15:09:07,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:07,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:08,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:08,099 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:08,099 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339175164] [2022-03-15 15:09:08,099 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339175164] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:08,100 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:08,100 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:08,100 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973264005] [2022-03-15 15:09:08,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:08,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:08,100 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:08,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:08,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:08,101 INFO L87 Difference]: Start difference. First operand 2545 states and 4871 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:09,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:09,449 INFO L93 Difference]: Finished difference Result 5108 states and 9792 transitions. [2022-03-15 15:09:09,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-15 15:09:09,454 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:09,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:09,462 INFO L225 Difference]: With dead ends: 5108 [2022-03-15 15:09:09,463 INFO L226 Difference]: Without dead ends: 5108 [2022-03-15 15:09:09,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=270, Invalid=1062, Unknown=0, NotChecked=0, Total=1332 [2022-03-15 15:09:09,463 INFO L933 BasicCegarLoop]: 290 mSDtfsCounter, 873 mSDsluCounter, 1841 mSDsCounter, 0 mSdLazyCounter, 1682 mSolverCounterSat, 300 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 873 SdHoareTripleChecker+Valid, 2128 SdHoareTripleChecker+Invalid, 1982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 300 IncrementalHoareTripleChecker+Valid, 1682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:09,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [873 Valid, 2128 Invalid, 1982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [300 Valid, 1682 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:09:09,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5108 states. [2022-03-15 15:09:09,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5108 to 2545. [2022-03-15 15:09:09,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2545 states, 2532 states have (on average 1.9237756714060033) internal successors, (4871), 2544 states have internal predecessors, (4871), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:09,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2545 states to 2545 states and 4871 transitions. [2022-03-15 15:09:09,521 INFO L78 Accepts]: Start accepts. Automaton has 2545 states and 4871 transitions. Word has length 124 [2022-03-15 15:09:09,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:09,521 INFO L470 AbstractCegarLoop]: Abstraction has 2545 states and 4871 transitions. [2022-03-15 15:09:09,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:09,521 INFO L276 IsEmpty]: Start isEmpty. Operand 2545 states and 4871 transitions. [2022-03-15 15:09:09,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:09,522 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:09,522 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:09,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-03-15 15:09:09,522 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:09,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:09,523 INFO L85 PathProgramCache]: Analyzing trace with hash 100214313, now seen corresponding path program 5 times [2022-03-15 15:09:09,523 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:09,523 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655792144] [2022-03-15 15:09:09,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:09,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:09,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:09,745 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:09,745 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655792144] [2022-03-15 15:09:09,745 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655792144] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:09,745 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:09,746 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:09,746 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758203485] [2022-03-15 15:09:09,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:09,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:09,746 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:09,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:09,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:09,746 INFO L87 Difference]: Start difference. First operand 2545 states and 4871 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:11,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:11,174 INFO L93 Difference]: Finished difference Result 5076 states and 9725 transitions. [2022-03-15 15:09:11,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-03-15 15:09:11,175 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:11,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:11,183 INFO L225 Difference]: With dead ends: 5076 [2022-03-15 15:09:11,183 INFO L226 Difference]: Without dead ends: 5076 [2022-03-15 15:09:11,184 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=287, Invalid=973, Unknown=0, NotChecked=0, Total=1260 [2022-03-15 15:09:11,184 INFO L933 BasicCegarLoop]: 330 mSDtfsCounter, 778 mSDsluCounter, 2199 mSDsCounter, 0 mSdLazyCounter, 2047 mSolverCounterSat, 293 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 778 SdHoareTripleChecker+Valid, 2526 SdHoareTripleChecker+Invalid, 2340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 293 IncrementalHoareTripleChecker+Valid, 2047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:11,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [778 Valid, 2526 Invalid, 2340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [293 Valid, 2047 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:09:11,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5076 states. [2022-03-15 15:09:11,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5076 to 2561. [2022-03-15 15:09:11,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2561 states, 2548 states have (on average 1.9242543171114599) internal successors, (4903), 2560 states have internal predecessors, (4903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:11,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2561 states to 2561 states and 4903 transitions. [2022-03-15 15:09:11,233 INFO L78 Accepts]: Start accepts. Automaton has 2561 states and 4903 transitions. Word has length 124 [2022-03-15 15:09:11,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:11,233 INFO L470 AbstractCegarLoop]: Abstraction has 2561 states and 4903 transitions. [2022-03-15 15:09:11,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:11,234 INFO L276 IsEmpty]: Start isEmpty. Operand 2561 states and 4903 transitions. [2022-03-15 15:09:11,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:11,235 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:11,235 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:11,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-03-15 15:09:11,235 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:11,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:11,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1758419239, now seen corresponding path program 6 times [2022-03-15 15:09:11,236 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:11,236 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820341155] [2022-03-15 15:09:11,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:11,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:11,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:11,390 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:11,390 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820341155] [2022-03-15 15:09:11,390 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820341155] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:11,390 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:11,390 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:11,390 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276910727] [2022-03-15 15:09:11,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:11,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:11,391 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:11,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:11,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:11,391 INFO L87 Difference]: Start difference. First operand 2561 states and 4903 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:12,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:12,481 INFO L93 Difference]: Finished difference Result 5223 states and 10015 transitions. [2022-03-15 15:09:12,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-03-15 15:09:12,507 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:12,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:12,517 INFO L225 Difference]: With dead ends: 5223 [2022-03-15 15:09:12,517 INFO L226 Difference]: Without dead ends: 5223 [2022-03-15 15:09:12,518 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 299 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=310, Invalid=1096, Unknown=0, NotChecked=0, Total=1406 [2022-03-15 15:09:12,519 INFO L933 BasicCegarLoop]: 334 mSDtfsCounter, 1023 mSDsluCounter, 1563 mSDsCounter, 0 mSdLazyCounter, 1506 mSolverCounterSat, 409 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1023 SdHoareTripleChecker+Valid, 1895 SdHoareTripleChecker+Invalid, 1915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 409 IncrementalHoareTripleChecker+Valid, 1506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:12,519 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1023 Valid, 1895 Invalid, 1915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [409 Valid, 1506 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 15:09:12,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5223 states. [2022-03-15 15:09:12,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5223 to 2563. [2022-03-15 15:09:12,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2563 states, 2550 states have (on average 1.924313725490196) internal successors, (4907), 2562 states have internal predecessors, (4907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:12,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2563 states and 4907 transitions. [2022-03-15 15:09:12,586 INFO L78 Accepts]: Start accepts. Automaton has 2563 states and 4907 transitions. Word has length 124 [2022-03-15 15:09:12,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:12,586 INFO L470 AbstractCegarLoop]: Abstraction has 2563 states and 4907 transitions. [2022-03-15 15:09:12,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:12,587 INFO L276 IsEmpty]: Start isEmpty. Operand 2563 states and 4907 transitions. [2022-03-15 15:09:12,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:12,588 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:12,588 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:12,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-03-15 15:09:12,588 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:12,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:12,589 INFO L85 PathProgramCache]: Analyzing trace with hash -8139195, now seen corresponding path program 7 times [2022-03-15 15:09:12,589 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:12,589 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893011269] [2022-03-15 15:09:12,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:12,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:12,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:12,751 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:12,751 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893011269] [2022-03-15 15:09:12,752 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893011269] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:12,752 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:12,752 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:12,752 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413532767] [2022-03-15 15:09:12,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:12,752 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:12,752 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:12,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:12,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:12,753 INFO L87 Difference]: Start difference. First operand 2563 states and 4907 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:14,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:14,022 INFO L93 Difference]: Finished difference Result 5175 states and 9923 transitions. [2022-03-15 15:09:14,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-03-15 15:09:14,023 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:14,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:14,030 INFO L225 Difference]: With dead ends: 5175 [2022-03-15 15:09:14,031 INFO L226 Difference]: Without dead ends: 5175 [2022-03-15 15:09:14,031 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=320, Invalid=1162, Unknown=0, NotChecked=0, Total=1482 [2022-03-15 15:09:14,032 INFO L933 BasicCegarLoop]: 341 mSDtfsCounter, 715 mSDsluCounter, 2456 mSDsCounter, 0 mSdLazyCounter, 2383 mSolverCounterSat, 260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 715 SdHoareTripleChecker+Valid, 2794 SdHoareTripleChecker+Invalid, 2643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 260 IncrementalHoareTripleChecker+Valid, 2383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:14,032 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [715 Valid, 2794 Invalid, 2643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [260 Valid, 2383 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 15:09:14,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5175 states. [2022-03-15 15:09:14,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5175 to 2561. [2022-03-15 15:09:14,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2561 states, 2548 states have (on average 1.9242543171114599) internal successors, (4903), 2560 states have internal predecessors, (4903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:14,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2561 states to 2561 states and 4903 transitions. [2022-03-15 15:09:14,073 INFO L78 Accepts]: Start accepts. Automaton has 2561 states and 4903 transitions. Word has length 124 [2022-03-15 15:09:14,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:14,073 INFO L470 AbstractCegarLoop]: Abstraction has 2561 states and 4903 transitions. [2022-03-15 15:09:14,073 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:14,073 INFO L276 IsEmpty]: Start isEmpty. Operand 2561 states and 4903 transitions. [2022-03-15 15:09:14,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:14,074 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:14,074 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:14,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-03-15 15:09:14,074 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:14,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:14,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1786004623, now seen corresponding path program 8 times [2022-03-15 15:09:14,075 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:14,075 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002182524] [2022-03-15 15:09:14,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:14,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:14,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:14,249 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:14,249 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002182524] [2022-03-15 15:09:14,249 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002182524] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:14,249 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:14,249 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:14,250 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40022545] [2022-03-15 15:09:14,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:14,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:14,250 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:14,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:14,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:14,251 INFO L87 Difference]: Start difference. First operand 2561 states and 4903 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:15,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:15,083 INFO L93 Difference]: Finished difference Result 5101 states and 9772 transitions. [2022-03-15 15:09:15,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-15 15:09:15,084 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:15,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:15,090 INFO L225 Difference]: With dead ends: 5101 [2022-03-15 15:09:15,090 INFO L226 Difference]: Without dead ends: 5101 [2022-03-15 15:09:15,091 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=269, Invalid=991, Unknown=0, NotChecked=0, Total=1260 [2022-03-15 15:09:15,091 INFO L933 BasicCegarLoop]: 278 mSDtfsCounter, 766 mSDsluCounter, 1627 mSDsCounter, 0 mSdLazyCounter, 1374 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 766 SdHoareTripleChecker+Valid, 1903 SdHoareTripleChecker+Invalid, 1631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 1374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:15,091 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [766 Valid, 1903 Invalid, 1631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [257 Valid, 1374 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-15 15:09:15,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5101 states. [2022-03-15 15:09:15,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5101 to 2565. [2022-03-15 15:09:15,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2565 states, 2552 states have (on average 1.9243730407523512) internal successors, (4911), 2564 states have internal predecessors, (4911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:15,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2565 states and 4911 transitions. [2022-03-15 15:09:15,129 INFO L78 Accepts]: Start accepts. Automaton has 2565 states and 4911 transitions. Word has length 124 [2022-03-15 15:09:15,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:15,130 INFO L470 AbstractCegarLoop]: Abstraction has 2565 states and 4911 transitions. [2022-03-15 15:09:15,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:15,130 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 4911 transitions. [2022-03-15 15:09:15,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:15,131 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:15,131 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:15,131 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-03-15 15:09:15,131 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:15,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:15,132 INFO L85 PathProgramCache]: Analyzing trace with hash 742404239, now seen corresponding path program 9 times [2022-03-15 15:09:15,132 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:15,132 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045194223] [2022-03-15 15:09:15,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:15,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:15,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:15,312 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:15,312 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045194223] [2022-03-15 15:09:15,312 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045194223] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:15,312 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:15,312 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:15,312 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664776844] [2022-03-15 15:09:15,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:15,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:15,313 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:15,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:15,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:15,313 INFO L87 Difference]: Start difference. First operand 2565 states and 4911 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:16,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:16,330 INFO L93 Difference]: Finished difference Result 5198 states and 9966 transitions. [2022-03-15 15:09:16,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-15 15:09:16,331 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:16,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:16,336 INFO L225 Difference]: With dead ends: 5198 [2022-03-15 15:09:16,336 INFO L226 Difference]: Without dead ends: 5198 [2022-03-15 15:09:16,336 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 294 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=278, Invalid=1054, Unknown=0, NotChecked=0, Total=1332 [2022-03-15 15:09:16,337 INFO L933 BasicCegarLoop]: 285 mSDtfsCounter, 801 mSDsluCounter, 1847 mSDsCounter, 0 mSdLazyCounter, 1640 mSolverCounterSat, 290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 801 SdHoareTripleChecker+Valid, 2130 SdHoareTripleChecker+Invalid, 1930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 290 IncrementalHoareTripleChecker+Valid, 1640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:16,338 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [801 Valid, 2130 Invalid, 1930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [290 Valid, 1640 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 15:09:16,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5198 states. [2022-03-15 15:09:16,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5198 to 2563. [2022-03-15 15:09:16,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2563 states, 2550 states have (on average 1.924313725490196) internal successors, (4907), 2562 states have internal predecessors, (4907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:16,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2563 states and 4907 transitions. [2022-03-15 15:09:16,388 INFO L78 Accepts]: Start accepts. Automaton has 2563 states and 4907 transitions. Word has length 124 [2022-03-15 15:09:16,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:16,388 INFO L470 AbstractCegarLoop]: Abstraction has 2563 states and 4907 transitions. [2022-03-15 15:09:16,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:16,388 INFO L276 IsEmpty]: Start isEmpty. Operand 2563 states and 4907 transitions. [2022-03-15 15:09:16,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:16,389 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:16,389 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:16,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-15 15:09:16,390 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:16,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:16,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1771655217, now seen corresponding path program 10 times [2022-03-15 15:09:16,390 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:16,390 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222907085] [2022-03-15 15:09:16,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:16,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:16,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:16,542 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:16,542 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222907085] [2022-03-15 15:09:16,542 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222907085] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:16,542 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:16,542 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:16,542 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525471891] [2022-03-15 15:09:16,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:16,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:16,542 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:16,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:16,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:16,543 INFO L87 Difference]: Start difference. First operand 2563 states and 4907 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:17,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:17,507 INFO L93 Difference]: Finished difference Result 5168 states and 9910 transitions. [2022-03-15 15:09:17,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-15 15:09:17,507 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:17,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:17,513 INFO L225 Difference]: With dead ends: 5168 [2022-03-15 15:09:17,513 INFO L226 Difference]: Without dead ends: 5168 [2022-03-15 15:09:17,514 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 277 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=259, Invalid=1001, Unknown=0, NotChecked=0, Total=1260 [2022-03-15 15:09:17,514 INFO L933 BasicCegarLoop]: 292 mSDtfsCounter, 847 mSDsluCounter, 1587 mSDsCounter, 0 mSdLazyCounter, 1462 mSolverCounterSat, 322 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 847 SdHoareTripleChecker+Valid, 1877 SdHoareTripleChecker+Invalid, 1784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 322 IncrementalHoareTripleChecker+Valid, 1462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:17,514 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [847 Valid, 1877 Invalid, 1784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [322 Valid, 1462 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 15:09:17,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5168 states. [2022-03-15 15:09:17,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5168 to 2561. [2022-03-15 15:09:17,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2561 states, 2548 states have (on average 1.9242543171114599) internal successors, (4903), 2560 states have internal predecessors, (4903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:17,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2561 states to 2561 states and 4903 transitions. [2022-03-15 15:09:17,546 INFO L78 Accepts]: Start accepts. Automaton has 2561 states and 4903 transitions. Word has length 124 [2022-03-15 15:09:17,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:17,546 INFO L470 AbstractCegarLoop]: Abstraction has 2561 states and 4903 transitions. [2022-03-15 15:09:17,547 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:17,547 INFO L276 IsEmpty]: Start isEmpty. Operand 2561 states and 4903 transitions. [2022-03-15 15:09:17,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:17,548 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:17,548 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:17,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-15 15:09:17,548 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:17,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:17,549 INFO L85 PathProgramCache]: Analyzing trace with hash 600222797, now seen corresponding path program 11 times [2022-03-15 15:09:17,549 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:17,549 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924516508] [2022-03-15 15:09:17,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:17,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:17,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:17,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:17,724 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:17,724 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924516508] [2022-03-15 15:09:17,724 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924516508] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:17,725 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:17,725 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:17,725 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017178281] [2022-03-15 15:09:17,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:17,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:17,726 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:17,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:17,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:17,726 INFO L87 Difference]: Start difference. First operand 2561 states and 4903 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:18,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:18,460 INFO L93 Difference]: Finished difference Result 4693 states and 9048 transitions. [2022-03-15 15:09:18,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-15 15:09:18,460 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:18,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:18,481 INFO L225 Difference]: With dead ends: 4693 [2022-03-15 15:09:18,481 INFO L226 Difference]: Without dead ends: 4693 [2022-03-15 15:09:18,481 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=266, Invalid=994, Unknown=0, NotChecked=0, Total=1260 [2022-03-15 15:09:18,482 INFO L933 BasicCegarLoop]: 277 mSDtfsCounter, 569 mSDsluCounter, 1650 mSDsCounter, 0 mSdLazyCounter, 1315 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 1925 SdHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 1315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:18,482 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [569 Valid, 1925 Invalid, 1505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 1315 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-15 15:09:18,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4693 states. [2022-03-15 15:09:18,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4693 to 2569. [2022-03-15 15:09:18,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2569 states, 2556 states have (on average 1.924491392801252) internal successors, (4919), 2568 states have internal predecessors, (4919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:18,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 4919 transitions. [2022-03-15 15:09:18,521 INFO L78 Accepts]: Start accepts. Automaton has 2569 states and 4919 transitions. Word has length 124 [2022-03-15 15:09:18,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:18,522 INFO L470 AbstractCegarLoop]: Abstraction has 2569 states and 4919 transitions. [2022-03-15 15:09:18,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:18,522 INFO L276 IsEmpty]: Start isEmpty. Operand 2569 states and 4919 transitions. [2022-03-15 15:09:18,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:18,523 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:18,523 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:18,523 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-03-15 15:09:18,523 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:18,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:18,524 INFO L85 PathProgramCache]: Analyzing trace with hash -571356565, now seen corresponding path program 12 times [2022-03-15 15:09:18,524 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:18,524 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588439959] [2022-03-15 15:09:18,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:18,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:18,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:18,703 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:18,703 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588439959] [2022-03-15 15:09:18,704 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588439959] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:18,704 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:18,704 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:18,704 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666229242] [2022-03-15 15:09:18,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:18,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:18,704 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:18,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:18,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:18,705 INFO L87 Difference]: Start difference. First operand 2569 states and 4919 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:19,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:19,452 INFO L93 Difference]: Finished difference Result 4714 states and 9092 transitions. [2022-03-15 15:09:19,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-15 15:09:19,453 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:19,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:19,457 INFO L225 Difference]: With dead ends: 4714 [2022-03-15 15:09:19,457 INFO L226 Difference]: Without dead ends: 4714 [2022-03-15 15:09:19,458 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=269, Invalid=1063, Unknown=0, NotChecked=0, Total=1332 [2022-03-15 15:09:19,459 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 578 mSDsluCounter, 1753 mSDsCounter, 0 mSdLazyCounter, 1425 mSolverCounterSat, 199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 578 SdHoareTripleChecker+Valid, 2027 SdHoareTripleChecker+Invalid, 1624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 1425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:19,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [578 Valid, 2027 Invalid, 1624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 1425 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-15 15:09:19,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4714 states. [2022-03-15 15:09:19,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4714 to 2571. [2022-03-15 15:09:19,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2571 states, 2558 states have (on average 1.9245504300234557) internal successors, (4923), 2570 states have internal predecessors, (4923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:19,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2571 states to 2571 states and 4923 transitions. [2022-03-15 15:09:19,500 INFO L78 Accepts]: Start accepts. Automaton has 2571 states and 4923 transitions. Word has length 124 [2022-03-15 15:09:19,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:19,500 INFO L470 AbstractCegarLoop]: Abstraction has 2571 states and 4923 transitions. [2022-03-15 15:09:19,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:19,500 INFO L276 IsEmpty]: Start isEmpty. Operand 2571 states and 4923 transitions. [2022-03-15 15:09:19,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:19,501 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:19,501 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:19,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-03-15 15:09:19,501 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:19,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:19,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1957052297, now seen corresponding path program 13 times [2022-03-15 15:09:19,502 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:19,502 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316046643] [2022-03-15 15:09:19,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:19,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:19,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:19,654 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:19,654 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316046643] [2022-03-15 15:09:19,654 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316046643] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:19,654 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:19,654 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:19,654 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495980225] [2022-03-15 15:09:19,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:19,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:19,655 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:19,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:19,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:19,655 INFO L87 Difference]: Start difference. First operand 2571 states and 4923 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:20,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:20,639 INFO L93 Difference]: Finished difference Result 4666 states and 9000 transitions. [2022-03-15 15:09:20,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-15 15:09:20,640 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:20,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:20,648 INFO L225 Difference]: With dead ends: 4666 [2022-03-15 15:09:20,648 INFO L226 Difference]: Without dead ends: 4666 [2022-03-15 15:09:20,649 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=275, Invalid=1131, Unknown=0, NotChecked=0, Total=1406 [2022-03-15 15:09:20,656 INFO L933 BasicCegarLoop]: 283 mSDtfsCounter, 610 mSDsluCounter, 1450 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 1731 SdHoareTripleChecker+Invalid, 1463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:20,657 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [610 Valid, 1731 Invalid, 1463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 1226 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 15:09:20,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4666 states. [2022-03-15 15:09:20,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4666 to 2565. [2022-03-15 15:09:20,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2565 states, 2552 states have (on average 1.9243730407523512) internal successors, (4911), 2564 states have internal predecessors, (4911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:20,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2565 states and 4911 transitions. [2022-03-15 15:09:20,720 INFO L78 Accepts]: Start accepts. Automaton has 2565 states and 4911 transitions. Word has length 124 [2022-03-15 15:09:20,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:20,720 INFO L470 AbstractCegarLoop]: Abstraction has 2565 states and 4911 transitions. [2022-03-15 15:09:20,720 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:20,720 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 4911 transitions. [2022-03-15 15:09:20,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:20,721 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:20,722 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:20,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-03-15 15:09:20,722 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:20,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:20,722 INFO L85 PathProgramCache]: Analyzing trace with hash 463361807, now seen corresponding path program 14 times [2022-03-15 15:09:20,722 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:20,722 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256998159] [2022-03-15 15:09:20,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:20,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:20,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:20,898 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:20,898 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256998159] [2022-03-15 15:09:20,898 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256998159] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:20,898 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:20,898 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:20,898 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723867033] [2022-03-15 15:09:20,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:20,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:20,899 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:20,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:20,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:20,899 INFO L87 Difference]: Start difference. First operand 2565 states and 4911 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:21,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:21,868 INFO L93 Difference]: Finished difference Result 4693 states and 9048 transitions. [2022-03-15 15:09:21,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-15 15:09:21,869 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:21,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:21,875 INFO L225 Difference]: With dead ends: 4693 [2022-03-15 15:09:21,875 INFO L226 Difference]: Without dead ends: 4693 [2022-03-15 15:09:21,875 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=274, Invalid=986, Unknown=0, NotChecked=0, Total=1260 [2022-03-15 15:09:21,876 INFO L933 BasicCegarLoop]: 266 mSDtfsCounter, 488 mSDsluCounter, 1612 mSDsCounter, 0 mSdLazyCounter, 1310 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 1875 SdHoareTripleChecker+Invalid, 1486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 1310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:21,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [488 Valid, 1875 Invalid, 1486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 1310 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 15:09:21,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4693 states. [2022-03-15 15:09:21,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4693 to 2573. [2022-03-15 15:09:21,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2573 states, 2560 states have (on average 1.924609375) internal successors, (4927), 2572 states have internal predecessors, (4927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:21,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2573 states to 2573 states and 4927 transitions. [2022-03-15 15:09:21,918 INFO L78 Accepts]: Start accepts. Automaton has 2573 states and 4927 transitions. Word has length 124 [2022-03-15 15:09:21,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:21,918 INFO L470 AbstractCegarLoop]: Abstraction has 2573 states and 4927 transitions. [2022-03-15 15:09:21,918 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:21,918 INFO L276 IsEmpty]: Start isEmpty. Operand 2573 states and 4927 transitions. [2022-03-15 15:09:21,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:21,920 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:21,920 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:21,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-03-15 15:09:21,920 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:21,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:21,920 INFO L85 PathProgramCache]: Analyzing trace with hash -708217555, now seen corresponding path program 15 times [2022-03-15 15:09:21,920 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:21,920 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565277136] [2022-03-15 15:09:21,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:21,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:22,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:22,091 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:22,091 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565277136] [2022-03-15 15:09:22,091 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565277136] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:22,091 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:22,091 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:22,091 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983328159] [2022-03-15 15:09:22,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:22,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:22,092 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:22,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:22,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:22,092 INFO L87 Difference]: Start difference. First operand 2573 states and 4927 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:23,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:23,109 INFO L93 Difference]: Finished difference Result 4840 states and 9338 transitions. [2022-03-15 15:09:23,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-15 15:09:23,109 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:23,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:23,115 INFO L225 Difference]: With dead ends: 4840 [2022-03-15 15:09:23,115 INFO L226 Difference]: Without dead ends: 4840 [2022-03-15 15:09:23,115 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=278, Invalid=1054, Unknown=0, NotChecked=0, Total=1332 [2022-03-15 15:09:23,116 INFO L933 BasicCegarLoop]: 265 mSDtfsCounter, 587 mSDsluCounter, 1622 mSDsCounter, 0 mSdLazyCounter, 1344 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 587 SdHoareTripleChecker+Valid, 1884 SdHoareTripleChecker+Invalid, 1563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 1344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:23,116 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [587 Valid, 1884 Invalid, 1563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 1344 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 15:09:23,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4840 states. [2022-03-15 15:09:23,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4840 to 2575. [2022-03-15 15:09:23,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2575 states, 2562 states have (on average 1.9246682279469165) internal successors, (4931), 2574 states have internal predecessors, (4931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:23,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2575 states to 2575 states and 4931 transitions. [2022-03-15 15:09:23,156 INFO L78 Accepts]: Start accepts. Automaton has 2575 states and 4931 transitions. Word has length 124 [2022-03-15 15:09:23,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:23,156 INFO L470 AbstractCegarLoop]: Abstraction has 2575 states and 4931 transitions. [2022-03-15 15:09:23,157 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:23,157 INFO L276 IsEmpty]: Start isEmpty. Operand 2575 states and 4931 transitions. [2022-03-15 15:09:23,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:23,158 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:23,158 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:23,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-03-15 15:09:23,158 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:23,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:23,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1820191307, now seen corresponding path program 16 times [2022-03-15 15:09:23,158 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:23,159 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039428069] [2022-03-15 15:09:23,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:23,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:23,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:23,325 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:23,325 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039428069] [2022-03-15 15:09:23,325 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039428069] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:23,325 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:23,325 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:23,325 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126559512] [2022-03-15 15:09:23,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:23,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:23,326 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:23,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:23,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:23,326 INFO L87 Difference]: Start difference. First operand 2575 states and 4931 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:24,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:24,451 INFO L93 Difference]: Finished difference Result 4792 states and 9246 transitions. [2022-03-15 15:09:24,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-15 15:09:24,452 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:24,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:24,457 INFO L225 Difference]: With dead ends: 4792 [2022-03-15 15:09:24,457 INFO L226 Difference]: Without dead ends: 4792 [2022-03-15 15:09:24,458 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=286, Invalid=1120, Unknown=0, NotChecked=0, Total=1406 [2022-03-15 15:09:24,458 INFO L933 BasicCegarLoop]: 272 mSDtfsCounter, 583 mSDsluCounter, 1900 mSDsCounter, 0 mSdLazyCounter, 1677 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 2169 SdHoareTripleChecker+Invalid, 1904 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 1677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:24,459 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [583 Valid, 2169 Invalid, 1904 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 1677 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 15:09:24,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4792 states. [2022-03-15 15:09:24,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4792 to 2569. [2022-03-15 15:09:24,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2569 states, 2556 states have (on average 1.924491392801252) internal successors, (4919), 2568 states have internal predecessors, (4919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:24,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 4919 transitions. [2022-03-15 15:09:24,489 INFO L78 Accepts]: Start accepts. Automaton has 2569 states and 4919 transitions. Word has length 124 [2022-03-15 15:09:24,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:24,489 INFO L470 AbstractCegarLoop]: Abstraction has 2569 states and 4919 transitions. [2022-03-15 15:09:24,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:24,489 INFO L276 IsEmpty]: Start isEmpty. Operand 2569 states and 4919 transitions. [2022-03-15 15:09:24,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:24,490 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:24,491 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:24,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-03-15 15:09:24,492 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:24,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:24,492 INFO L85 PathProgramCache]: Analyzing trace with hash 947173745, now seen corresponding path program 17 times [2022-03-15 15:09:24,492 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:24,492 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99069217] [2022-03-15 15:09:24,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:24,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:24,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:24,649 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:24,649 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99069217] [2022-03-15 15:09:24,649 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99069217] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:24,649 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:24,649 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:24,650 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586254414] [2022-03-15 15:09:24,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:24,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:24,650 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:24,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:24,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:24,650 INFO L87 Difference]: Start difference. First operand 2569 states and 4919 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:25,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:25,390 INFO L93 Difference]: Finished difference Result 4641 states and 8946 transitions. [2022-03-15 15:09:25,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-15 15:09:25,390 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:25,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:25,396 INFO L225 Difference]: With dead ends: 4641 [2022-03-15 15:09:25,396 INFO L226 Difference]: Without dead ends: 4641 [2022-03-15 15:09:25,397 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=228, Invalid=894, Unknown=0, NotChecked=0, Total=1122 [2022-03-15 15:09:25,397 INFO L933 BasicCegarLoop]: 262 mSDtfsCounter, 605 mSDsluCounter, 1428 mSDsCounter, 0 mSdLazyCounter, 1208 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 605 SdHoareTripleChecker+Valid, 1687 SdHoareTripleChecker+Invalid, 1452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 1208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:25,397 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [605 Valid, 1687 Invalid, 1452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 1208 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-15 15:09:25,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4641 states. [2022-03-15 15:09:25,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4641 to 2573. [2022-03-15 15:09:25,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2573 states, 2560 states have (on average 1.924609375) internal successors, (4927), 2572 states have internal predecessors, (4927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:25,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2573 states to 2573 states and 4927 transitions. [2022-03-15 15:09:25,437 INFO L78 Accepts]: Start accepts. Automaton has 2573 states and 4927 transitions. Word has length 124 [2022-03-15 15:09:25,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:25,437 INFO L470 AbstractCegarLoop]: Abstraction has 2573 states and 4927 transitions. [2022-03-15 15:09:25,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:25,438 INFO L276 IsEmpty]: Start isEmpty. Operand 2573 states and 4927 transitions. [2022-03-15 15:09:25,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:25,439 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:25,439 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:25,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-03-15 15:09:25,439 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:25,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:25,440 INFO L85 PathProgramCache]: Analyzing trace with hash -819384689, now seen corresponding path program 18 times [2022-03-15 15:09:25,440 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:25,440 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436741062] [2022-03-15 15:09:25,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:25,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:25,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:25,576 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:25,576 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436741062] [2022-03-15 15:09:25,576 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436741062] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:25,576 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:25,576 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:25,576 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101168921] [2022-03-15 15:09:25,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:25,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:25,576 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:25,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:25,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:25,577 INFO L87 Difference]: Start difference. First operand 2573 states and 4927 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:26,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:26,279 INFO L93 Difference]: Finished difference Result 4738 states and 9140 transitions. [2022-03-15 15:09:26,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-15 15:09:26,280 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:26,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:26,285 INFO L225 Difference]: With dead ends: 4738 [2022-03-15 15:09:26,285 INFO L226 Difference]: Without dead ends: 4738 [2022-03-15 15:09:26,286 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=235, Invalid=955, Unknown=0, NotChecked=0, Total=1190 [2022-03-15 15:09:26,286 INFO L933 BasicCegarLoop]: 269 mSDtfsCounter, 607 mSDsluCounter, 1660 mSDsCounter, 0 mSdLazyCounter, 1485 mSolverCounterSat, 248 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 607 SdHoareTripleChecker+Valid, 1926 SdHoareTripleChecker+Invalid, 1733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 248 IncrementalHoareTripleChecker+Valid, 1485 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:26,287 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [607 Valid, 1926 Invalid, 1733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [248 Valid, 1485 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-15 15:09:26,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4738 states. [2022-03-15 15:09:26,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4738 to 2571. [2022-03-15 15:09:26,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2571 states, 2558 states have (on average 1.9245504300234557) internal successors, (4923), 2570 states have internal predecessors, (4923), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:26,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2571 states to 2571 states and 4923 transitions. [2022-03-15 15:09:26,318 INFO L78 Accepts]: Start accepts. Automaton has 2571 states and 4923 transitions. Word has length 124 [2022-03-15 15:09:26,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:26,318 INFO L470 AbstractCegarLoop]: Abstraction has 2571 states and 4923 transitions. [2022-03-15 15:09:26,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:26,318 INFO L276 IsEmpty]: Start isEmpty. Operand 2571 states and 4923 transitions. [2022-03-15 15:09:26,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:26,319 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:26,319 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:26,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-03-15 15:09:26,319 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:26,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:26,319 INFO L85 PathProgramCache]: Analyzing trace with hash 209866289, now seen corresponding path program 19 times [2022-03-15 15:09:26,320 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:26,320 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916209868] [2022-03-15 15:09:26,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:26,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:26,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:26,545 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:26,545 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916209868] [2022-03-15 15:09:26,545 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916209868] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:26,546 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:26,546 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:26,546 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282055061] [2022-03-15 15:09:26,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:26,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:26,546 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:26,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:26,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:26,547 INFO L87 Difference]: Start difference. First operand 2571 states and 4923 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:27,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:27,291 INFO L93 Difference]: Finished difference Result 4708 states and 9084 transitions. [2022-03-15 15:09:27,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-15 15:09:27,291 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:27,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:27,296 INFO L225 Difference]: With dead ends: 4708 [2022-03-15 15:09:27,296 INFO L226 Difference]: Without dead ends: 4708 [2022-03-15 15:09:27,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 247 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=219, Invalid=903, Unknown=0, NotChecked=0, Total=1122 [2022-03-15 15:09:27,301 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 509 mSDsluCounter, 1677 mSDsCounter, 0 mSdLazyCounter, 1568 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 1950 SdHoareTripleChecker+Invalid, 1776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 1568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:27,302 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [509 Valid, 1950 Invalid, 1776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 1568 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-15 15:09:27,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4708 states. [2022-03-15 15:09:27,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4708 to 2565. [2022-03-15 15:09:27,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2565 states, 2552 states have (on average 1.9243730407523512) internal successors, (4911), 2564 states have internal predecessors, (4911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:27,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2565 states and 4911 transitions. [2022-03-15 15:09:27,336 INFO L78 Accepts]: Start accepts. Automaton has 2565 states and 4911 transitions. Word has length 124 [2022-03-15 15:09:27,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:27,343 INFO L470 AbstractCegarLoop]: Abstraction has 2565 states and 4911 transitions. [2022-03-15 15:09:27,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:27,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 4911 transitions. [2022-03-15 15:09:27,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:27,352 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:27,352 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:27,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-03-15 15:09:27,352 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:27,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:27,352 INFO L85 PathProgramCache]: Analyzing trace with hash -635418387, now seen corresponding path program 20 times [2022-03-15 15:09:27,353 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:27,353 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097180678] [2022-03-15 15:09:27,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:27,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:27,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:27,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:27,542 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:27,542 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097180678] [2022-03-15 15:09:27,542 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097180678] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:27,542 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:27,542 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:27,542 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904180762] [2022-03-15 15:09:27,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:27,542 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:27,542 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:27,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:27,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:27,543 INFO L87 Difference]: Start difference. First operand 2565 states and 4911 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:28,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:28,521 INFO L93 Difference]: Finished difference Result 4927 states and 9502 transitions. [2022-03-15 15:09:28,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-15 15:09:28,522 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:28,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:28,528 INFO L225 Difference]: With dead ends: 4927 [2022-03-15 15:09:28,528 INFO L226 Difference]: Without dead ends: 4927 [2022-03-15 15:09:28,528 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=258, Invalid=864, Unknown=0, NotChecked=0, Total=1122 [2022-03-15 15:09:28,528 INFO L933 BasicCegarLoop]: 349 mSDtfsCounter, 738 mSDsluCounter, 1772 mSDsCounter, 0 mSdLazyCounter, 1805 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 738 SdHoareTripleChecker+Valid, 2118 SdHoareTripleChecker+Invalid, 2076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 1805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:28,529 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [738 Valid, 2118 Invalid, 2076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 1805 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 15:09:28,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4927 states. [2022-03-15 15:09:28,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4927 to 2570. [2022-03-15 15:09:28,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2570 states, 2557 states have (on average 1.9245209229565898) internal successors, (4921), 2569 states have internal predecessors, (4921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:28,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2570 states to 2570 states and 4921 transitions. [2022-03-15 15:09:28,612 INFO L78 Accepts]: Start accepts. Automaton has 2570 states and 4921 transitions. Word has length 124 [2022-03-15 15:09:28,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:28,612 INFO L470 AbstractCegarLoop]: Abstraction has 2570 states and 4921 transitions. [2022-03-15 15:09:28,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:28,613 INFO L276 IsEmpty]: Start isEmpty. Operand 2570 states and 4921 transitions. [2022-03-15 15:09:28,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:28,614 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:28,614 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:28,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-03-15 15:09:28,614 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:28,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:28,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1806997749, now seen corresponding path program 21 times [2022-03-15 15:09:28,615 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:28,615 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158203978] [2022-03-15 15:09:28,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:28,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:28,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:28,794 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:28,794 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158203978] [2022-03-15 15:09:28,795 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158203978] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:28,795 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:28,795 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:28,795 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630901357] [2022-03-15 15:09:28,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:28,795 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:28,795 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:28,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:28,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:28,796 INFO L87 Difference]: Start difference. First operand 2570 states and 4921 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:29,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:29,743 INFO L93 Difference]: Finished difference Result 4948 states and 9546 transitions. [2022-03-15 15:09:29,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-15 15:09:29,744 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:29,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:29,749 INFO L225 Difference]: With dead ends: 4948 [2022-03-15 15:09:29,749 INFO L226 Difference]: Without dead ends: 4948 [2022-03-15 15:09:29,749 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=263, Invalid=927, Unknown=0, NotChecked=0, Total=1190 [2022-03-15 15:09:29,750 INFO L933 BasicCegarLoop]: 348 mSDtfsCounter, 669 mSDsluCounter, 2001 mSDsCounter, 0 mSdLazyCounter, 2071 mSolverCounterSat, 262 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 669 SdHoareTripleChecker+Valid, 2345 SdHoareTripleChecker+Invalid, 2333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 262 IncrementalHoareTripleChecker+Valid, 2071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:29,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [669 Valid, 2345 Invalid, 2333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [262 Valid, 2071 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 15:09:29,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4948 states. [2022-03-15 15:09:29,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4948 to 2572. [2022-03-15 15:09:29,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2572 states, 2559 states have (on average 1.9245799140289175) internal successors, (4925), 2571 states have internal predecessors, (4925), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:29,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2572 states to 2572 states and 4925 transitions. [2022-03-15 15:09:29,817 INFO L78 Accepts]: Start accepts. Automaton has 2572 states and 4925 transitions. Word has length 124 [2022-03-15 15:09:29,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:29,818 INFO L470 AbstractCegarLoop]: Abstraction has 2572 states and 4925 transitions. [2022-03-15 15:09:29,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:29,818 INFO L276 IsEmpty]: Start isEmpty. Operand 2572 states and 4925 transitions. [2022-03-15 15:09:29,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:29,819 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:29,819 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:29,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-03-15 15:09:29,819 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:29,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:29,820 INFO L85 PathProgramCache]: Analyzing trace with hash 721411113, now seen corresponding path program 22 times [2022-03-15 15:09:29,820 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:29,820 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699173582] [2022-03-15 15:09:29,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:29,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:29,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:29,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:29,998 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:29,999 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699173582] [2022-03-15 15:09:29,999 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699173582] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:29,999 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:29,999 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:29,999 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568696407] [2022-03-15 15:09:29,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:29,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:29,999 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:30,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:30,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:30,000 INFO L87 Difference]: Start difference. First operand 2572 states and 4925 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:31,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:31,338 INFO L93 Difference]: Finished difference Result 4900 states and 9454 transitions. [2022-03-15 15:09:31,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-15 15:09:31,338 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:31,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:31,344 INFO L225 Difference]: With dead ends: 4900 [2022-03-15 15:09:31,344 INFO L226 Difference]: Without dead ends: 4900 [2022-03-15 15:09:31,344 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=271, Invalid=989, Unknown=0, NotChecked=0, Total=1260 [2022-03-15 15:09:31,345 INFO L933 BasicCegarLoop]: 355 mSDtfsCounter, 678 mSDsluCounter, 1993 mSDsCounter, 0 mSdLazyCounter, 2122 mSolverCounterSat, 264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 678 SdHoareTripleChecker+Valid, 2344 SdHoareTripleChecker+Invalid, 2386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 264 IncrementalHoareTripleChecker+Valid, 2122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:31,345 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [678 Valid, 2344 Invalid, 2386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [264 Valid, 2122 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:09:31,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4900 states. [2022-03-15 15:09:31,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4900 to 2565. [2022-03-15 15:09:31,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2565 states, 2552 states have (on average 1.9243730407523512) internal successors, (4911), 2564 states have internal predecessors, (4911), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:31,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2565 states and 4911 transitions. [2022-03-15 15:09:31,379 INFO L78 Accepts]: Start accepts. Automaton has 2565 states and 4911 transitions. Word has length 124 [2022-03-15 15:09:31,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:31,379 INFO L470 AbstractCegarLoop]: Abstraction has 2565 states and 4911 transitions. [2022-03-15 15:09:31,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:31,379 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 4911 transitions. [2022-03-15 15:09:31,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:31,380 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:31,380 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:31,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-03-15 15:09:31,381 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:31,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:31,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1434944205, now seen corresponding path program 23 times [2022-03-15 15:09:31,381 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:31,381 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812496891] [2022-03-15 15:09:31,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:31,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:31,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:31,549 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:31,549 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812496891] [2022-03-15 15:09:31,549 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812496891] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:31,549 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:31,549 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:31,549 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443202053] [2022-03-15 15:09:31,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:31,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:31,549 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:31,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:31,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:31,550 INFO L87 Difference]: Start difference. First operand 2565 states and 4911 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:32,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:32,599 INFO L93 Difference]: Finished difference Result 4905 states and 9458 transitions. [2022-03-15 15:09:32,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-15 15:09:32,599 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:32,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:32,605 INFO L225 Difference]: With dead ends: 4905 [2022-03-15 15:09:32,605 INFO L226 Difference]: Without dead ends: 4905 [2022-03-15 15:09:32,605 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=261, Invalid=929, Unknown=0, NotChecked=0, Total=1190 [2022-03-15 15:09:32,606 INFO L933 BasicCegarLoop]: 279 mSDtfsCounter, 542 mSDsluCounter, 1645 mSDsCounter, 0 mSdLazyCounter, 1496 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 1920 SdHoareTripleChecker+Invalid, 1697 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 1496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:32,606 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [542 Valid, 1920 Invalid, 1697 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 1496 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 15:09:32,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4905 states. [2022-03-15 15:09:32,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4905 to 2567. [2022-03-15 15:09:32,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2567 states, 2554 states have (on average 1.9244322631166797) internal successors, (4915), 2566 states have internal predecessors, (4915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:32,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 2567 states and 4915 transitions. [2022-03-15 15:09:32,635 INFO L78 Accepts]: Start accepts. Automaton has 2567 states and 4915 transitions. Word has length 124 [2022-03-15 15:09:32,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:32,636 INFO L470 AbstractCegarLoop]: Abstraction has 2567 states and 4915 transitions. [2022-03-15 15:09:32,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:32,636 INFO L276 IsEmpty]: Start isEmpty. Operand 2567 states and 4915 transitions. [2022-03-15 15:09:32,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:32,637 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:32,637 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:32,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-03-15 15:09:32,637 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:32,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:32,637 INFO L85 PathProgramCache]: Analyzing trace with hash 263364843, now seen corresponding path program 24 times [2022-03-15 15:09:32,637 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:32,637 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893925267] [2022-03-15 15:09:32,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:32,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:32,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:32,794 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:32,794 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893925267] [2022-03-15 15:09:32,794 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893925267] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:32,794 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:32,794 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:32,794 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20111901] [2022-03-15 15:09:32,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:32,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:32,794 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:32,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:32,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:32,795 INFO L87 Difference]: Start difference. First operand 2567 states and 4915 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:33,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:33,813 INFO L93 Difference]: Finished difference Result 4926 states and 9502 transitions. [2022-03-15 15:09:33,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-15 15:09:33,813 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:33,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:33,818 INFO L225 Difference]: With dead ends: 4926 [2022-03-15 15:09:33,819 INFO L226 Difference]: Without dead ends: 4926 [2022-03-15 15:09:33,819 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=265, Invalid=995, Unknown=0, NotChecked=0, Total=1260 [2022-03-15 15:09:33,820 INFO L933 BasicCegarLoop]: 278 mSDtfsCounter, 715 mSDsluCounter, 1439 mSDsCounter, 0 mSdLazyCounter, 1392 mSolverCounterSat, 265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 715 SdHoareTripleChecker+Valid, 1714 SdHoareTripleChecker+Invalid, 1657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 265 IncrementalHoareTripleChecker+Valid, 1392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:33,822 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [715 Valid, 1714 Invalid, 1657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [265 Valid, 1392 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 15:09:33,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4926 states. [2022-03-15 15:09:33,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4926 to 2569. [2022-03-15 15:09:33,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2569 states, 2556 states have (on average 1.924491392801252) internal successors, (4919), 2568 states have internal predecessors, (4919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:33,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 4919 transitions. [2022-03-15 15:09:33,871 INFO L78 Accepts]: Start accepts. Automaton has 2569 states and 4919 transitions. Word has length 124 [2022-03-15 15:09:33,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:33,871 INFO L470 AbstractCegarLoop]: Abstraction has 2569 states and 4919 transitions. [2022-03-15 15:09:33,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:33,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2569 states and 4919 transitions. [2022-03-15 15:09:33,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:33,872 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:33,872 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:33,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-03-15 15:09:33,873 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:33,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:33,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1503193591, now seen corresponding path program 25 times [2022-03-15 15:09:33,873 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:33,873 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584480492] [2022-03-15 15:09:33,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:33,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:34,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:34,027 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:34,027 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584480492] [2022-03-15 15:09:34,027 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584480492] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:34,027 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:34,028 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:34,028 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076775199] [2022-03-15 15:09:34,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:34,028 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:34,028 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:34,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:34,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:34,028 INFO L87 Difference]: Start difference. First operand 2569 states and 4919 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:35,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:35,143 INFO L93 Difference]: Finished difference Result 4878 states and 9410 transitions. [2022-03-15 15:09:35,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-15 15:09:35,143 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:35,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:35,150 INFO L225 Difference]: With dead ends: 4878 [2022-03-15 15:09:35,150 INFO L226 Difference]: Without dead ends: 4878 [2022-03-15 15:09:35,151 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=272, Invalid=1060, Unknown=0, NotChecked=0, Total=1332 [2022-03-15 15:09:35,151 INFO L933 BasicCegarLoop]: 285 mSDtfsCounter, 659 mSDsluCounter, 1800 mSDsCounter, 0 mSdLazyCounter, 1756 mSolverCounterSat, 252 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 659 SdHoareTripleChecker+Valid, 2082 SdHoareTripleChecker+Invalid, 2008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 1756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:35,151 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [659 Valid, 2082 Invalid, 2008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 1756 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 15:09:35,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4878 states. [2022-03-15 15:09:35,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4878 to 2562. [2022-03-15 15:09:35,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2562 states, 2549 states have (on average 1.9242840329540996) internal successors, (4905), 2561 states have internal predecessors, (4905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:35,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2562 states to 2562 states and 4905 transitions. [2022-03-15 15:09:35,189 INFO L78 Accepts]: Start accepts. Automaton has 2562 states and 4905 transitions. Word has length 124 [2022-03-15 15:09:35,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:35,190 INFO L470 AbstractCegarLoop]: Abstraction has 2562 states and 4905 transitions. [2022-03-15 15:09:35,190 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:35,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2562 states and 4905 transitions. [2022-03-15 15:09:35,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:35,190 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:35,191 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:35,191 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-03-15 15:09:35,191 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:35,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:35,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1298083215, now seen corresponding path program 26 times [2022-03-15 15:09:35,191 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:35,191 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719579678] [2022-03-15 15:09:35,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:35,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:35,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:35,366 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:35,366 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719579678] [2022-03-15 15:09:35,366 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719579678] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:35,366 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:35,366 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:35,366 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870135004] [2022-03-15 15:09:35,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:35,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:35,366 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:35,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:35,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:35,367 INFO L87 Difference]: Start difference. First operand 2562 states and 4905 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:36,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:36,174 INFO L93 Difference]: Finished difference Result 4863 states and 9375 transitions. [2022-03-15 15:09:36,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-03-15 15:09:36,174 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:36,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:36,180 INFO L225 Difference]: With dead ends: 4863 [2022-03-15 15:09:36,180 INFO L226 Difference]: Without dead ends: 4863 [2022-03-15 15:09:36,181 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=272, Invalid=918, Unknown=0, NotChecked=0, Total=1190 [2022-03-15 15:09:36,182 INFO L933 BasicCegarLoop]: 287 mSDtfsCounter, 702 mSDsluCounter, 1591 mSDsCounter, 0 mSdLazyCounter, 1464 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 1875 SdHoareTripleChecker+Invalid, 1721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 1464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:36,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [702 Valid, 1875 Invalid, 1721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [257 Valid, 1464 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-15 15:09:36,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4863 states. [2022-03-15 15:09:36,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4863 to 2554. [2022-03-15 15:09:36,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2554 states, 2541 states have (on average 1.9240456513183786) internal successors, (4889), 2553 states have internal predecessors, (4889), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:36,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2554 states to 2554 states and 4889 transitions. [2022-03-15 15:09:36,215 INFO L78 Accepts]: Start accepts. Automaton has 2554 states and 4889 transitions. Word has length 124 [2022-03-15 15:09:36,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:36,216 INFO L470 AbstractCegarLoop]: Abstraction has 2554 states and 4889 transitions. [2022-03-15 15:09:36,216 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:36,216 INFO L276 IsEmpty]: Start isEmpty. Operand 2554 states and 4889 transitions. [2022-03-15 15:09:36,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:36,217 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:36,217 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:36,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-03-15 15:09:36,217 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:36,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:36,218 INFO L85 PathProgramCache]: Analyzing trace with hash 126503853, now seen corresponding path program 27 times [2022-03-15 15:09:36,218 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:36,218 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881986042] [2022-03-15 15:09:36,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:36,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:36,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:36,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:36,356 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:36,356 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881986042] [2022-03-15 15:09:36,356 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881986042] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:36,356 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:36,356 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:36,356 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867967300] [2022-03-15 15:09:36,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:36,356 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:36,356 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:36,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:36,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:36,357 INFO L87 Difference]: Start difference. First operand 2554 states and 4889 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:37,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:37,283 INFO L93 Difference]: Finished difference Result 5010 states and 9665 transitions. [2022-03-15 15:09:37,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-03-15 15:09:37,284 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:37,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:37,289 INFO L225 Difference]: With dead ends: 5010 [2022-03-15 15:09:37,289 INFO L226 Difference]: Without dead ends: 5010 [2022-03-15 15:09:37,290 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=277, Invalid=983, Unknown=0, NotChecked=0, Total=1260 [2022-03-15 15:09:37,290 INFO L933 BasicCegarLoop]: 286 mSDtfsCounter, 733 mSDsluCounter, 1525 mSDsCounter, 0 mSdLazyCounter, 1434 mSolverCounterSat, 284 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 733 SdHoareTripleChecker+Valid, 1808 SdHoareTripleChecker+Invalid, 1718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 284 IncrementalHoareTripleChecker+Valid, 1434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:37,290 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [733 Valid, 1808 Invalid, 1718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [284 Valid, 1434 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 15:09:37,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5010 states. [2022-03-15 15:09:37,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5010 to 2556. [2022-03-15 15:09:37,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2556 states, 2543 states have (on average 1.92410538733779) internal successors, (4893), 2555 states have internal predecessors, (4893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:37,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 2556 states and 4893 transitions. [2022-03-15 15:09:37,318 INFO L78 Accepts]: Start accepts. Automaton has 2556 states and 4893 transitions. Word has length 124 [2022-03-15 15:09:37,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:37,318 INFO L470 AbstractCegarLoop]: Abstraction has 2556 states and 4893 transitions. [2022-03-15 15:09:37,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:37,318 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 4893 transitions. [2022-03-15 15:09:37,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:37,319 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:37,319 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:37,319 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-03-15 15:09:37,319 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:37,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:37,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1640054581, now seen corresponding path program 28 times [2022-03-15 15:09:37,320 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:37,320 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477886316] [2022-03-15 15:09:37,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:37,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:37,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:37,469 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:37,469 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477886316] [2022-03-15 15:09:37,469 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477886316] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:37,469 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:37,469 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:37,469 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721989078] [2022-03-15 15:09:37,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:37,470 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:37,470 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:37,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:37,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:37,470 INFO L87 Difference]: Start difference. First operand 2556 states and 4893 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:38,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:38,581 INFO L93 Difference]: Finished difference Result 4962 states and 9573 transitions. [2022-03-15 15:09:38,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-15 15:09:38,581 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:38,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:38,586 INFO L225 Difference]: With dead ends: 4962 [2022-03-15 15:09:38,586 INFO L226 Difference]: Without dead ends: 4962 [2022-03-15 15:09:38,587 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=286, Invalid=1046, Unknown=0, NotChecked=0, Total=1332 [2022-03-15 15:09:38,587 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 699 mSDsluCounter, 1686 mSDsCounter, 0 mSdLazyCounter, 1655 mSolverCounterSat, 268 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 699 SdHoareTripleChecker+Valid, 1976 SdHoareTripleChecker+Invalid, 1923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 268 IncrementalHoareTripleChecker+Valid, 1655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:38,587 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [699 Valid, 1976 Invalid, 1923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [268 Valid, 1655 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 15:09:38,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4962 states. [2022-03-15 15:09:38,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4962 to 2550. [2022-03-15 15:09:38,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2550 states, 2537 states have (on average 1.9239258967284194) internal successors, (4881), 2549 states have internal predecessors, (4881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:38,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2550 states to 2550 states and 4881 transitions. [2022-03-15 15:09:38,614 INFO L78 Accepts]: Start accepts. Automaton has 2550 states and 4881 transitions. Word has length 124 [2022-03-15 15:09:38,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:38,614 INFO L470 AbstractCegarLoop]: Abstraction has 2550 states and 4881 transitions. [2022-03-15 15:09:38,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:38,614 INFO L276 IsEmpty]: Start isEmpty. Operand 2550 states and 4881 transitions. [2022-03-15 15:09:38,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:38,615 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:38,615 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:38,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-03-15 15:09:38,615 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:38,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:38,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1781895153, now seen corresponding path program 29 times [2022-03-15 15:09:38,616 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:38,616 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097565676] [2022-03-15 15:09:38,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:38,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:38,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:38,872 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:38,872 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097565676] [2022-03-15 15:09:38,872 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097565676] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:38,872 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:38,872 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:38,873 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868315578] [2022-03-15 15:09:38,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:38,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:38,873 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:38,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:38,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:38,874 INFO L87 Difference]: Start difference. First operand 2550 states and 4881 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:39,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:39,930 INFO L93 Difference]: Finished difference Result 4811 states and 9273 transitions. [2022-03-15 15:09:39,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-15 15:09:39,931 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:39,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:39,938 INFO L225 Difference]: With dead ends: 4811 [2022-03-15 15:09:39,938 INFO L226 Difference]: Without dead ends: 4811 [2022-03-15 15:09:39,939 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=228, Invalid=828, Unknown=0, NotChecked=0, Total=1056 [2022-03-15 15:09:39,940 INFO L933 BasicCegarLoop]: 283 mSDtfsCounter, 699 mSDsluCounter, 1317 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 699 SdHoareTripleChecker+Valid, 1597 SdHoareTripleChecker+Invalid, 1541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:39,940 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [699 Valid, 1597 Invalid, 1541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [277 Valid, 1264 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 15:09:39,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4811 states. [2022-03-15 15:09:39,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4811 to 2546. [2022-03-15 15:09:39,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2546 states, 2533 states have (on average 1.9238057639163049) internal successors, (4873), 2545 states have internal predecessors, (4873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:39,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2546 states to 2546 states and 4873 transitions. [2022-03-15 15:09:39,978 INFO L78 Accepts]: Start accepts. Automaton has 2546 states and 4873 transitions. Word has length 124 [2022-03-15 15:09:39,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:39,978 INFO L470 AbstractCegarLoop]: Abstraction has 2546 states and 4873 transitions. [2022-03-15 15:09:39,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:39,978 INFO L276 IsEmpty]: Start isEmpty. Operand 2546 states and 4873 transitions. [2022-03-15 15:09:39,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:39,979 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:39,979 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:39,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-03-15 15:09:39,979 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:39,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:39,980 INFO L85 PathProgramCache]: Analyzing trace with hash 15336719, now seen corresponding path program 30 times [2022-03-15 15:09:39,980 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:39,980 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948525058] [2022-03-15 15:09:39,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:39,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:40,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:40,147 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:40,147 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948525058] [2022-03-15 15:09:40,147 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948525058] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:40,147 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:40,147 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:40,147 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301732835] [2022-03-15 15:09:40,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:40,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:40,148 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:40,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:40,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:40,148 INFO L87 Difference]: Start difference. First operand 2546 states and 4873 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:41,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:41,081 INFO L93 Difference]: Finished difference Result 4908 states and 9467 transitions. [2022-03-15 15:09:41,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-03-15 15:09:41,082 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:41,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:41,087 INFO L225 Difference]: With dead ends: 4908 [2022-03-15 15:09:41,087 INFO L226 Difference]: Without dead ends: 4908 [2022-03-15 15:09:41,088 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=236, Invalid=886, Unknown=0, NotChecked=0, Total=1122 [2022-03-15 15:09:41,088 INFO L933 BasicCegarLoop]: 290 mSDtfsCounter, 644 mSDsluCounter, 1643 mSDsCounter, 0 mSdLazyCounter, 1635 mSolverCounterSat, 271 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 644 SdHoareTripleChecker+Valid, 1929 SdHoareTripleChecker+Invalid, 1906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 271 IncrementalHoareTripleChecker+Valid, 1635 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:41,088 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [644 Valid, 1929 Invalid, 1906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [271 Valid, 1635 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 15:09:41,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4908 states. [2022-03-15 15:09:41,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4908 to 2544. [2022-03-15 15:09:41,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2544 states, 2531 states have (on average 1.9237455551165548) internal successors, (4869), 2543 states have internal predecessors, (4869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:41,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2544 states and 4869 transitions. [2022-03-15 15:09:41,121 INFO L78 Accepts]: Start accepts. Automaton has 2544 states and 4869 transitions. Word has length 124 [2022-03-15 15:09:41,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:41,121 INFO L470 AbstractCegarLoop]: Abstraction has 2544 states and 4869 transitions. [2022-03-15 15:09:41,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:41,122 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 4869 transitions. [2022-03-15 15:09:41,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-03-15 15:09:41,122 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:41,122 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:41,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-03-15 15:09:41,123 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:41,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:41,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1044587697, now seen corresponding path program 31 times [2022-03-15 15:09:41,123 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:41,123 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613618791] [2022-03-15 15:09:41,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:41,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:41,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:41,273 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:41,273 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613618791] [2022-03-15 15:09:41,273 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613618791] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:41,273 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:41,273 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:41,274 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650298958] [2022-03-15 15:09:41,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:41,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:41,275 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:41,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:41,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:41,277 INFO L87 Difference]: Start difference. First operand 2544 states and 4869 transitions. Second operand has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:42,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:42,222 INFO L93 Difference]: Finished difference Result 4741 states and 9145 transitions. [2022-03-15 15:09:42,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-15 15:09:42,222 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 124 [2022-03-15 15:09:42,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:42,228 INFO L225 Difference]: With dead ends: 4741 [2022-03-15 15:09:42,228 INFO L226 Difference]: Without dead ends: 4741 [2022-03-15 15:09:42,228 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=219, Invalid=837, Unknown=0, NotChecked=0, Total=1056 [2022-03-15 15:09:42,229 INFO L933 BasicCegarLoop]: 297 mSDtfsCounter, 674 mSDsluCounter, 1785 mSDsCounter, 0 mSdLazyCounter, 1781 mSolverCounterSat, 287 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 674 SdHoareTripleChecker+Valid, 2079 SdHoareTripleChecker+Invalid, 2068 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 287 IncrementalHoareTripleChecker+Valid, 1781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:42,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [674 Valid, 2079 Invalid, 2068 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [287 Valid, 1781 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 15:09:42,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4741 states. [2022-03-15 15:09:42,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4741 to 2384. [2022-03-15 15:09:42,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2384 states, 2372 states have (on average 1.9211635750421585) internal successors, (4557), 2383 states have internal predecessors, (4557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:42,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2384 states to 2384 states and 4557 transitions. [2022-03-15 15:09:42,259 INFO L78 Accepts]: Start accepts. Automaton has 2384 states and 4557 transitions. Word has length 124 [2022-03-15 15:09:42,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:42,259 INFO L470 AbstractCegarLoop]: Abstraction has 2384 states and 4557 transitions. [2022-03-15 15:09:42,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 10.333333333333334) internal successors, (124), 13 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:42,260 INFO L276 IsEmpty]: Start isEmpty. Operand 2384 states and 4557 transitions. [2022-03-15 15:09:42,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-03-15 15:09:42,261 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:42,261 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:42,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-03-15 15:09:42,261 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:42,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:42,261 INFO L85 PathProgramCache]: Analyzing trace with hash 2084670673, now seen corresponding path program 1 times [2022-03-15 15:09:42,261 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:42,261 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865222987] [2022-03-15 15:09:42,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:42,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:42,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:42,387 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:42,387 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865222987] [2022-03-15 15:09:42,387 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865222987] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:42,387 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:42,387 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-03-15 15:09:42,387 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988866907] [2022-03-15 15:09:42,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:42,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 15:09:42,388 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:42,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 15:09:42,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-03-15 15:09:42,388 INFO L87 Difference]: Start difference. First operand 2384 states and 4557 transitions. Second operand has 13 states, 12 states have (on average 11.0) internal successors, (132), 13 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:42,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:42,967 INFO L93 Difference]: Finished difference Result 2672 states and 5071 transitions. [2022-03-15 15:09:42,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-15 15:09:42,967 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 11.0) internal successors, (132), 13 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-03-15 15:09:42,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:42,970 INFO L225 Difference]: With dead ends: 2672 [2022-03-15 15:09:42,970 INFO L226 Difference]: Without dead ends: 2672 [2022-03-15 15:09:42,970 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=204, Invalid=666, Unknown=0, NotChecked=0, Total=870 [2022-03-15 15:09:42,971 INFO L933 BasicCegarLoop]: 295 mSDtfsCounter, 668 mSDsluCounter, 1692 mSDsCounter, 0 mSdLazyCounter, 966 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 668 SdHoareTripleChecker+Valid, 1986 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:42,971 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [668 Valid, 1986 Invalid, 1035 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 966 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-15 15:09:42,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2672 states. [2022-03-15 15:09:42,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2672 to 2339. [2022-03-15 15:09:42,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2339 states, 2327 states have (on average 1.9196390201976794) internal successors, (4467), 2338 states have internal predecessors, (4467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:42,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2339 states to 2339 states and 4467 transitions. [2022-03-15 15:09:42,993 INFO L78 Accepts]: Start accepts. Automaton has 2339 states and 4467 transitions. Word has length 132 [2022-03-15 15:09:42,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:42,993 INFO L470 AbstractCegarLoop]: Abstraction has 2339 states and 4467 transitions. [2022-03-15 15:09:42,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 11.0) internal successors, (132), 13 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:42,993 INFO L276 IsEmpty]: Start isEmpty. Operand 2339 states and 4467 transitions. [2022-03-15 15:09:42,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:09:42,994 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:42,994 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:42,995 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-03-15 15:09:42,995 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:42,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:42,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1769207121, now seen corresponding path program 1 times [2022-03-15 15:09:42,995 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:42,995 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933296324] [2022-03-15 15:09:42,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:42,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:43,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:43,495 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:43,496 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933296324] [2022-03-15 15:09:43,496 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933296324] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:43,496 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:43,496 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-03-15 15:09:43,497 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836554265] [2022-03-15 15:09:43,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:43,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-15 15:09:43,497 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:43,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-15 15:09:43,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2022-03-15 15:09:43,498 INFO L87 Difference]: Start difference. First operand 2339 states and 4467 transitions. Second operand has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:45,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:45,279 INFO L93 Difference]: Finished difference Result 3068 states and 5871 transitions. [2022-03-15 15:09:45,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-15 15:09:45,279 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:09:45,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:45,282 INFO L225 Difference]: With dead ends: 3068 [2022-03-15 15:09:45,282 INFO L226 Difference]: Without dead ends: 3068 [2022-03-15 15:09:45,283 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1437 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=801, Invalid=4169, Unknown=0, NotChecked=0, Total=4970 [2022-03-15 15:09:45,283 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 1587 mSDsluCounter, 2818 mSDsCounter, 0 mSdLazyCounter, 2448 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1587 SdHoareTripleChecker+Valid, 3071 SdHoareTripleChecker+Invalid, 2618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 2448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:45,283 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1587 Valid, 3071 Invalid, 2618 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 2448 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 15:09:45,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3068 states. [2022-03-15 15:09:45,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3068 to 2395. [2022-03-15 15:09:45,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2395 states, 2383 states have (on average 1.9215274863617289) internal successors, (4579), 2394 states have internal predecessors, (4579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:45,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2395 states to 2395 states and 4579 transitions. [2022-03-15 15:09:45,305 INFO L78 Accepts]: Start accepts. Automaton has 2395 states and 4579 transitions. Word has length 133 [2022-03-15 15:09:45,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:45,305 INFO L470 AbstractCegarLoop]: Abstraction has 2395 states and 4579 transitions. [2022-03-15 15:09:45,306 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:45,306 INFO L276 IsEmpty]: Start isEmpty. Operand 2395 states and 4579 transitions. [2022-03-15 15:09:45,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:09:45,307 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:45,307 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:45,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-03-15 15:09:45,307 INFO L402 AbstractCegarLoop]: === Iteration 44 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:45,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:45,307 INFO L85 PathProgramCache]: Analyzing trace with hash -841446123, now seen corresponding path program 2 times [2022-03-15 15:09:45,307 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:45,307 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64354255] [2022-03-15 15:09:45,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:45,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:45,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:45,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:45,677 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:45,677 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64354255] [2022-03-15 15:09:45,678 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64354255] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:45,678 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:45,678 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:09:45,678 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837251765] [2022-03-15 15:09:45,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:45,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:09:45,678 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:45,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:09:45,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:09:45,679 INFO L87 Difference]: Start difference. First operand 2395 states and 4579 transitions. Second operand has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:47,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:47,312 INFO L93 Difference]: Finished difference Result 3112 states and 5957 transitions. [2022-03-15 15:09:47,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-15 15:09:47,312 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:09:47,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:47,315 INFO L225 Difference]: With dead ends: 3112 [2022-03-15 15:09:47,316 INFO L226 Difference]: Without dead ends: 3112 [2022-03-15 15:09:47,317 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1402 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=842, Invalid=3988, Unknown=0, NotChecked=0, Total=4830 [2022-03-15 15:09:47,317 INFO L933 BasicCegarLoop]: 278 mSDtfsCounter, 1600 mSDsluCounter, 2828 mSDsCounter, 0 mSdLazyCounter, 2190 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1600 SdHoareTripleChecker+Valid, 3104 SdHoareTripleChecker+Invalid, 2371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 2190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:47,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1600 Valid, 3104 Invalid, 2371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 2190 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:09:47,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3112 states. [2022-03-15 15:09:47,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3112 to 2406. [2022-03-15 15:09:47,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2406 states, 2394 states have (on average 1.9218880534670009) internal successors, (4601), 2405 states have internal predecessors, (4601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:47,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2406 states to 2406 states and 4601 transitions. [2022-03-15 15:09:47,362 INFO L78 Accepts]: Start accepts. Automaton has 2406 states and 4601 transitions. Word has length 133 [2022-03-15 15:09:47,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:47,362 INFO L470 AbstractCegarLoop]: Abstraction has 2406 states and 4601 transitions. [2022-03-15 15:09:47,362 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:47,362 INFO L276 IsEmpty]: Start isEmpty. Operand 2406 states and 4601 transitions. [2022-03-15 15:09:47,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:09:47,363 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:47,364 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:47,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-03-15 15:09:47,364 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:47,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:47,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1748334609, now seen corresponding path program 3 times [2022-03-15 15:09:47,364 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:47,364 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663905399] [2022-03-15 15:09:47,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:47,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:47,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:47,735 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:47,735 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663905399] [2022-03-15 15:09:47,735 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663905399] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:47,735 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:47,735 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-03-15 15:09:47,735 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568872908] [2022-03-15 15:09:47,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:47,736 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-15 15:09:47,736 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:47,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-15 15:09:47,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2022-03-15 15:09:47,736 INFO L87 Difference]: Start difference. First operand 2406 states and 4601 transitions. Second operand has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:49,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:49,784 INFO L93 Difference]: Finished difference Result 3162 states and 6055 transitions. [2022-03-15 15:09:49,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-03-15 15:09:49,784 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:09:49,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:49,787 INFO L225 Difference]: With dead ends: 3162 [2022-03-15 15:09:49,787 INFO L226 Difference]: Without dead ends: 3162 [2022-03-15 15:09:49,789 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1997 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1066, Invalid=5414, Unknown=0, NotChecked=0, Total=6480 [2022-03-15 15:09:49,790 INFO L933 BasicCegarLoop]: 273 mSDtfsCounter, 1811 mSDsluCounter, 2850 mSDsCounter, 0 mSdLazyCounter, 2588 mSolverCounterSat, 260 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1811 SdHoareTripleChecker+Valid, 3119 SdHoareTripleChecker+Invalid, 2848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 260 IncrementalHoareTripleChecker+Valid, 2588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:49,791 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1811 Valid, 3119 Invalid, 2848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [260 Valid, 2588 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 15:09:49,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3162 states. [2022-03-15 15:09:49,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3162 to 2417. [2022-03-15 15:09:49,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2417 states, 2405 states have (on average 1.9222453222453222) internal successors, (4623), 2416 states have internal predecessors, (4623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:49,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2417 states to 2417 states and 4623 transitions. [2022-03-15 15:09:49,818 INFO L78 Accepts]: Start accepts. Automaton has 2417 states and 4623 transitions. Word has length 133 [2022-03-15 15:09:49,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:49,818 INFO L470 AbstractCegarLoop]: Abstraction has 2417 states and 4623 transitions. [2022-03-15 15:09:49,818 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:49,818 INFO L276 IsEmpty]: Start isEmpty. Operand 2417 states and 4623 transitions. [2022-03-15 15:09:49,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:09:49,819 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:49,819 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:49,819 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-03-15 15:09:49,819 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:49,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:49,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1357761373, now seen corresponding path program 4 times [2022-03-15 15:09:49,821 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:49,821 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113076876] [2022-03-15 15:09:49,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:49,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:50,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:50,126 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:50,126 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113076876] [2022-03-15 15:09:50,126 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113076876] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:50,126 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:50,126 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-03-15 15:09:50,126 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865583599] [2022-03-15 15:09:50,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:50,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-15 15:09:50,127 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:50,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-15 15:09:50,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2022-03-15 15:09:50,127 INFO L87 Difference]: Start difference. First operand 2417 states and 4623 transitions. Second operand has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:52,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:52,238 INFO L93 Difference]: Finished difference Result 3193 states and 6115 transitions. [2022-03-15 15:09:52,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2022-03-15 15:09:52,238 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:09:52,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:52,254 INFO L225 Difference]: With dead ends: 3193 [2022-03-15 15:09:52,254 INFO L226 Difference]: Without dead ends: 3193 [2022-03-15 15:09:52,255 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3272 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1641, Invalid=7865, Unknown=0, NotChecked=0, Total=9506 [2022-03-15 15:09:52,260 INFO L933 BasicCegarLoop]: 299 mSDtfsCounter, 1565 mSDsluCounter, 3667 mSDsCounter, 0 mSdLazyCounter, 3131 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1565 SdHoareTripleChecker+Valid, 3962 SdHoareTripleChecker+Invalid, 3429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 3131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:52,261 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1565 Valid, 3962 Invalid, 3429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 3131 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 15:09:52,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3193 states. [2022-03-15 15:09:52,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3193 to 2428. [2022-03-15 15:09:52,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2428 states, 2416 states have (on average 1.9225993377483444) internal successors, (4645), 2427 states have internal predecessors, (4645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:52,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2428 states to 2428 states and 4645 transitions. [2022-03-15 15:09:52,284 INFO L78 Accepts]: Start accepts. Automaton has 2428 states and 4645 transitions. Word has length 133 [2022-03-15 15:09:52,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:52,284 INFO L470 AbstractCegarLoop]: Abstraction has 2428 states and 4645 transitions. [2022-03-15 15:09:52,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:52,284 INFO L276 IsEmpty]: Start isEmpty. Operand 2428 states and 4645 transitions. [2022-03-15 15:09:52,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:09:52,285 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:52,285 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:52,285 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-03-15 15:09:52,285 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:52,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:52,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1162720236, now seen corresponding path program 1 times [2022-03-15 15:09:52,286 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:52,286 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14137415] [2022-03-15 15:09:52,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:52,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:52,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:52,570 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:52,570 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14137415] [2022-03-15 15:09:52,570 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14137415] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:52,570 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:52,570 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:09:52,570 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343989698] [2022-03-15 15:09:52,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:52,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:09:52,571 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:52,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:09:52,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:09:52,571 INFO L87 Difference]: Start difference. First operand 2428 states and 4645 transitions. Second operand has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:55,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:55,253 INFO L93 Difference]: Finished difference Result 4769 states and 9106 transitions. [2022-03-15 15:09:55,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 15:09:55,253 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:09:55,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:55,258 INFO L225 Difference]: With dead ends: 4769 [2022-03-15 15:09:55,258 INFO L226 Difference]: Without dead ends: 4769 [2022-03-15 15:09:55,259 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1464 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=734, Invalid=4522, Unknown=0, NotChecked=0, Total=5256 [2022-03-15 15:09:55,259 INFO L933 BasicCegarLoop]: 356 mSDtfsCounter, 2609 mSDsluCounter, 3544 mSDsCounter, 0 mSdLazyCounter, 3450 mSolverCounterSat, 591 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2609 SdHoareTripleChecker+Valid, 3896 SdHoareTripleChecker+Invalid, 4041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 591 IncrementalHoareTripleChecker+Valid, 3450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:55,259 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2609 Valid, 3896 Invalid, 4041 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [591 Valid, 3450 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 15:09:55,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4769 states. [2022-03-15 15:09:55,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4769 to 2609. [2022-03-15 15:09:55,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2609 states, 2597 states have (on average 1.9295340777820562) internal successors, (5011), 2608 states have internal predecessors, (5011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:55,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2609 states to 2609 states and 5011 transitions. [2022-03-15 15:09:55,287 INFO L78 Accepts]: Start accepts. Automaton has 2609 states and 5011 transitions. Word has length 133 [2022-03-15 15:09:55,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:55,287 INFO L470 AbstractCegarLoop]: Abstraction has 2609 states and 5011 transitions. [2022-03-15 15:09:55,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:55,287 INFO L276 IsEmpty]: Start isEmpty. Operand 2609 states and 5011 transitions. [2022-03-15 15:09:55,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:09:55,289 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:55,289 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:55,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-03-15 15:09:55,289 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:55,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:55,289 INFO L85 PathProgramCache]: Analyzing trace with hash 181990295, now seen corresponding path program 5 times [2022-03-15 15:09:55,289 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:55,289 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255735246] [2022-03-15 15:09:55,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:55,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:55,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:55,500 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:55,500 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255735246] [2022-03-15 15:09:55,500 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255735246] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:55,500 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:55,501 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:09:55,501 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511010889] [2022-03-15 15:09:55,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:55,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:09:55,501 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:55,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:09:55,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:09:55,501 INFO L87 Difference]: Start difference. First operand 2609 states and 5011 transitions. Second operand has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:57,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:57,756 INFO L93 Difference]: Finished difference Result 4027 states and 7707 transitions. [2022-03-15 15:09:57,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2022-03-15 15:09:57,757 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:09:57,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:57,761 INFO L225 Difference]: With dead ends: 4027 [2022-03-15 15:09:57,761 INFO L226 Difference]: Without dead ends: 4027 [2022-03-15 15:09:57,763 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2903 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1572, Invalid=6984, Unknown=0, NotChecked=0, Total=8556 [2022-03-15 15:09:57,763 INFO L933 BasicCegarLoop]: 339 mSDtfsCounter, 2281 mSDsluCounter, 3389 mSDsCounter, 0 mSdLazyCounter, 2638 mSolverCounterSat, 350 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2281 SdHoareTripleChecker+Valid, 3726 SdHoareTripleChecker+Invalid, 2988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 350 IncrementalHoareTripleChecker+Valid, 2638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:57,763 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2281 Valid, 3726 Invalid, 2988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [350 Valid, 2638 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 15:09:57,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4027 states. [2022-03-15 15:09:57,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4027 to 2565. [2022-03-15 15:09:57,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2565 states, 2553 states have (on average 1.926752839796318) internal successors, (4919), 2564 states have internal predecessors, (4919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:57,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2565 states and 4919 transitions. [2022-03-15 15:09:57,793 INFO L78 Accepts]: Start accepts. Automaton has 2565 states and 4919 transitions. Word has length 133 [2022-03-15 15:09:57,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:57,793 INFO L470 AbstractCegarLoop]: Abstraction has 2565 states and 4919 transitions. [2022-03-15 15:09:57,797 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:57,797 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 4919 transitions. [2022-03-15 15:09:57,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:09:57,798 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:57,802 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:57,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-03-15 15:09:57,802 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:57,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:57,803 INFO L85 PathProgramCache]: Analyzing trace with hash -177997911, now seen corresponding path program 6 times [2022-03-15 15:09:57,803 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:57,803 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960385339] [2022-03-15 15:09:57,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:57,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:09:58,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:09:58,297 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:09:58,297 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960385339] [2022-03-15 15:09:58,297 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960385339] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:09:58,297 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:09:58,297 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-03-15 15:09:58,297 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434303169] [2022-03-15 15:09:58,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:09:58,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-15 15:09:58,298 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:09:58,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-15 15:09:58,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2022-03-15 15:09:58,298 INFO L87 Difference]: Start difference. First operand 2565 states and 4919 transitions. Second operand has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:59,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:09:59,907 INFO L93 Difference]: Finished difference Result 4380 states and 8473 transitions. [2022-03-15 15:09:59,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 15:09:59,907 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:09:59,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:09:59,912 INFO L225 Difference]: With dead ends: 4380 [2022-03-15 15:09:59,912 INFO L226 Difference]: Without dead ends: 4380 [2022-03-15 15:09:59,913 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1509 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=780, Invalid=4476, Unknown=0, NotChecked=0, Total=5256 [2022-03-15 15:09:59,914 INFO L933 BasicCegarLoop]: 295 mSDtfsCounter, 1382 mSDsluCounter, 3618 mSDsCounter, 0 mSdLazyCounter, 2882 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1382 SdHoareTripleChecker+Valid, 3909 SdHoareTripleChecker+Invalid, 2998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 2882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:09:59,914 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1382 Valid, 3909 Invalid, 2998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 2882 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:09:59,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4380 states. [2022-03-15 15:09:59,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4380 to 2633. [2022-03-15 15:09:59,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2633 states, 2621 states have (on average 1.928653185806944) internal successors, (5055), 2632 states have internal predecessors, (5055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:59,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 2633 states and 5055 transitions. [2022-03-15 15:09:59,947 INFO L78 Accepts]: Start accepts. Automaton has 2633 states and 5055 transitions. Word has length 133 [2022-03-15 15:09:59,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:09:59,948 INFO L470 AbstractCegarLoop]: Abstraction has 2633 states and 5055 transitions. [2022-03-15 15:09:59,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:09:59,948 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 5055 transitions. [2022-03-15 15:09:59,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:09:59,949 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:09:59,949 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:09:59,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-03-15 15:09:59,949 INFO L402 AbstractCegarLoop]: === Iteration 50 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:09:59,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:09:59,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1506316141, now seen corresponding path program 7 times [2022-03-15 15:09:59,950 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:09:59,950 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70914438] [2022-03-15 15:09:59,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:09:59,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:09:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:00,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:00,285 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:00,285 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70914438] [2022-03-15 15:10:00,285 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70914438] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:00,285 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:00,285 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:10:00,285 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430509441] [2022-03-15 15:10:00,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:00,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:10:00,286 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:00,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:10:00,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:10:00,286 INFO L87 Difference]: Start difference. First operand 2633 states and 5055 transitions. Second operand has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:02,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:02,378 INFO L93 Difference]: Finished difference Result 4424 states and 8559 transitions. [2022-03-15 15:10:02,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 15:10:02,379 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:10:02,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:02,384 INFO L225 Difference]: With dead ends: 4424 [2022-03-15 15:10:02,384 INFO L226 Difference]: Without dead ends: 4424 [2022-03-15 15:10:02,384 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1475 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=811, Invalid=4301, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 15:10:02,385 INFO L933 BasicCegarLoop]: 316 mSDtfsCounter, 1509 mSDsluCounter, 3203 mSDsCounter, 0 mSdLazyCounter, 2371 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1509 SdHoareTripleChecker+Valid, 3517 SdHoareTripleChecker+Invalid, 2526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 2371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:02,385 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1509 Valid, 3517 Invalid, 2526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 2371 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:10:02,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4424 states. [2022-03-15 15:10:02,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4424 to 2644. [2022-03-15 15:10:02,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2644 states, 2632 states have (on average 1.928951367781155) internal successors, (5077), 2643 states have internal predecessors, (5077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:02,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2644 states to 2644 states and 5077 transitions. [2022-03-15 15:10:02,415 INFO L78 Accepts]: Start accepts. Automaton has 2644 states and 5077 transitions. Word has length 133 [2022-03-15 15:10:02,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:02,415 INFO L470 AbstractCegarLoop]: Abstraction has 2644 states and 5077 transitions. [2022-03-15 15:10:02,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:02,415 INFO L276 IsEmpty]: Start isEmpty. Operand 2644 states and 5077 transitions. [2022-03-15 15:10:02,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:10:02,417 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:02,417 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:02,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-03-15 15:10:02,417 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:10:02,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:02,417 INFO L85 PathProgramCache]: Analyzing trace with hash 599427655, now seen corresponding path program 8 times [2022-03-15 15:10:02,417 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:02,417 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172504614] [2022-03-15 15:10:02,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:02,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:02,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:02,742 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:02,742 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172504614] [2022-03-15 15:10:02,742 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172504614] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:02,742 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:02,742 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:10:02,742 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255412286] [2022-03-15 15:10:02,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:02,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:10:02,743 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:02,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:10:02,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:10:02,743 INFO L87 Difference]: Start difference. First operand 2644 states and 5077 transitions. Second operand has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:04,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:04,688 INFO L93 Difference]: Finished difference Result 4474 states and 8657 transitions. [2022-03-15 15:10:04,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-15 15:10:04,689 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:10:04,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:04,694 INFO L225 Difference]: With dead ends: 4474 [2022-03-15 15:10:04,694 INFO L226 Difference]: Without dead ends: 4474 [2022-03-15 15:10:04,695 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1790 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=980, Invalid=5026, Unknown=0, NotChecked=0, Total=6006 [2022-03-15 15:10:04,696 INFO L933 BasicCegarLoop]: 324 mSDtfsCounter, 1256 mSDsluCounter, 4180 mSDsCounter, 0 mSdLazyCounter, 3226 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1256 SdHoareTripleChecker+Valid, 4502 SdHoareTripleChecker+Invalid, 3387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 3226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:04,696 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1256 Valid, 4502 Invalid, 3387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 3226 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:10:04,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4474 states. [2022-03-15 15:10:04,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4474 to 2655. [2022-03-15 15:10:04,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2655 states, 2643 states have (on average 1.929247067726069) internal successors, (5099), 2654 states have internal predecessors, (5099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:04,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2655 states to 2655 states and 5099 transitions. [2022-03-15 15:10:04,728 INFO L78 Accepts]: Start accepts. Automaton has 2655 states and 5099 transitions. Word has length 133 [2022-03-15 15:10:04,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:04,728 INFO L470 AbstractCegarLoop]: Abstraction has 2655 states and 5099 transitions. [2022-03-15 15:10:04,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:04,728 INFO L276 IsEmpty]: Start isEmpty. Operand 2655 states and 5099 transitions. [2022-03-15 15:10:04,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:10:04,730 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:04,730 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:04,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-03-15 15:10:04,730 INFO L402 AbstractCegarLoop]: === Iteration 52 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:10:04,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:04,730 INFO L85 PathProgramCache]: Analyzing trace with hash -589443659, now seen corresponding path program 9 times [2022-03-15 15:10:04,730 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:04,731 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974268492] [2022-03-15 15:10:04,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:04,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:04,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:04,976 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:04,976 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974268492] [2022-03-15 15:10:04,976 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974268492] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:04,977 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:04,977 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:10:04,977 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745803195] [2022-03-15 15:10:04,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:04,977 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:10:04,977 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:04,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:10:04,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:10:04,978 INFO L87 Difference]: Start difference. First operand 2655 states and 5099 transitions. Second operand has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:07,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:07,317 INFO L93 Difference]: Finished difference Result 4657 states and 9017 transitions. [2022-03-15 15:10:07,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-03-15 15:10:07,318 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:10:07,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:07,323 INFO L225 Difference]: With dead ends: 4657 [2022-03-15 15:10:07,323 INFO L226 Difference]: Without dead ends: 4657 [2022-03-15 15:10:07,329 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3333 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1587, Invalid=8513, Unknown=0, NotChecked=0, Total=10100 [2022-03-15 15:10:07,329 INFO L933 BasicCegarLoop]: 390 mSDtfsCounter, 1431 mSDsluCounter, 4197 mSDsCounter, 0 mSdLazyCounter, 3723 mSolverCounterSat, 233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1431 SdHoareTripleChecker+Valid, 4585 SdHoareTripleChecker+Invalid, 3956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 233 IncrementalHoareTripleChecker+Valid, 3723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:07,330 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1431 Valid, 4585 Invalid, 3956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [233 Valid, 3723 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:10:07,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4657 states. [2022-03-15 15:10:07,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4657 to 2666. [2022-03-15 15:10:07,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2666 states, 2654 states have (on average 1.929540316503391) internal successors, (5121), 2665 states have internal predecessors, (5121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:07,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2666 states to 2666 states and 5121 transitions. [2022-03-15 15:10:07,362 INFO L78 Accepts]: Start accepts. Automaton has 2666 states and 5121 transitions. Word has length 133 [2022-03-15 15:10:07,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:07,362 INFO L470 AbstractCegarLoop]: Abstraction has 2666 states and 5121 transitions. [2022-03-15 15:10:07,363 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:07,363 INFO L276 IsEmpty]: Start isEmpty. Operand 2666 states and 5121 transitions. [2022-03-15 15:10:07,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:10:07,364 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:07,367 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:07,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-03-15 15:10:07,368 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:10:07,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:07,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1185042028, now seen corresponding path program 2 times [2022-03-15 15:10:07,368 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:07,368 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551423221] [2022-03-15 15:10:07,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:07,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:07,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:07,612 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:07,612 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551423221] [2022-03-15 15:10:07,612 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551423221] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:07,612 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:07,613 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:10:07,613 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993100031] [2022-03-15 15:10:07,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:07,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:10:07,613 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:07,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:10:07,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:10:07,613 INFO L87 Difference]: Start difference. First operand 2666 states and 5121 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:09,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:09,649 INFO L93 Difference]: Finished difference Result 5336 states and 10259 transitions. [2022-03-15 15:10:09,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-15 15:10:09,649 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:10:09,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:09,655 INFO L225 Difference]: With dead ends: 5336 [2022-03-15 15:10:09,655 INFO L226 Difference]: Without dead ends: 5336 [2022-03-15 15:10:09,656 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1388 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=659, Invalid=4311, Unknown=0, NotChecked=0, Total=4970 [2022-03-15 15:10:09,656 INFO L933 BasicCegarLoop]: 421 mSDtfsCounter, 1640 mSDsluCounter, 3980 mSDsCounter, 0 mSdLazyCounter, 3532 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1640 SdHoareTripleChecker+Valid, 4398 SdHoareTripleChecker+Invalid, 3755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 3532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:09,656 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1640 Valid, 4398 Invalid, 3755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 3532 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:10:09,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5336 states. [2022-03-15 15:10:09,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5336 to 2673. [2022-03-15 15:10:09,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2673 states, 2661 states have (on average 1.931228861330327) internal successors, (5139), 2672 states have internal predecessors, (5139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:09,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2673 states to 2673 states and 5139 transitions. [2022-03-15 15:10:09,689 INFO L78 Accepts]: Start accepts. Automaton has 2673 states and 5139 transitions. Word has length 133 [2022-03-15 15:10:09,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:09,690 INFO L470 AbstractCegarLoop]: Abstraction has 2673 states and 5139 transitions. [2022-03-15 15:10:09,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:09,690 INFO L276 IsEmpty]: Start isEmpty. Operand 2673 states and 5139 transitions. [2022-03-15 15:10:09,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:10:09,691 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:09,691 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:09,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-03-15 15:10:09,691 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:10:09,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:09,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1765214737, now seen corresponding path program 10 times [2022-03-15 15:10:09,692 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:09,692 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288242447] [2022-03-15 15:10:09,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:09,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:09,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:09,948 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:09,948 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288242447] [2022-03-15 15:10:09,948 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288242447] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:09,948 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:09,948 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:10:09,948 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764561181] [2022-03-15 15:10:09,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:09,949 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:10:09,949 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:09,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:10:09,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:10:09,949 INFO L87 Difference]: Start difference. First operand 2673 states and 5139 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:12,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:12,319 INFO L93 Difference]: Finished difference Result 4880 states and 9423 transitions. [2022-03-15 15:10:12,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-03-15 15:10:12,319 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:10:12,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:12,325 INFO L225 Difference]: With dead ends: 4880 [2022-03-15 15:10:12,325 INFO L226 Difference]: Without dead ends: 4880 [2022-03-15 15:10:12,326 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2449 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=978, Invalid=6854, Unknown=0, NotChecked=0, Total=7832 [2022-03-15 15:10:12,326 INFO L933 BasicCegarLoop]: 438 mSDtfsCounter, 1272 mSDsluCounter, 4523 mSDsCounter, 0 mSdLazyCounter, 3877 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1272 SdHoareTripleChecker+Valid, 4959 SdHoareTripleChecker+Invalid, 3995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 3877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:12,326 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1272 Valid, 4959 Invalid, 3995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 3877 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:10:12,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4880 states. [2022-03-15 15:10:12,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4880 to 2577. [2022-03-15 15:10:12,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2577 states, 2565 states have (on average 1.9270955165692008) internal successors, (4943), 2576 states have internal predecessors, (4943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:12,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2577 states to 2577 states and 4943 transitions. [2022-03-15 15:10:12,354 INFO L78 Accepts]: Start accepts. Automaton has 2577 states and 4943 transitions. Word has length 133 [2022-03-15 15:10:12,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:12,354 INFO L470 AbstractCegarLoop]: Abstraction has 2577 states and 4943 transitions. [2022-03-15 15:10:12,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:12,355 INFO L276 IsEmpty]: Start isEmpty. Operand 2577 states and 4943 transitions. [2022-03-15 15:10:12,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:10:12,356 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:12,356 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:12,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-03-15 15:10:12,356 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:10:12,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:12,356 INFO L85 PathProgramCache]: Analyzing trace with hash 466290604, now seen corresponding path program 3 times [2022-03-15 15:10:12,356 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:12,357 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639187407] [2022-03-15 15:10:12,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:12,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:12,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:12,593 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:12,593 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639187407] [2022-03-15 15:10:12,593 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639187407] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:12,593 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:12,593 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:10:12,593 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981401604] [2022-03-15 15:10:12,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:12,594 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:10:12,594 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:12,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:10:12,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:10:12,595 INFO L87 Difference]: Start difference. First operand 2577 states and 4943 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:14,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:14,951 INFO L93 Difference]: Finished difference Result 6462 states and 12382 transitions. [2022-03-15 15:10:14,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-15 15:10:14,951 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:10:14,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:14,959 INFO L225 Difference]: With dead ends: 6462 [2022-03-15 15:10:14,959 INFO L226 Difference]: Without dead ends: 6462 [2022-03-15 15:10:14,960 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1606 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=755, Invalid=4795, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 15:10:14,960 INFO L933 BasicCegarLoop]: 440 mSDtfsCounter, 1509 mSDsluCounter, 4939 mSDsCounter, 0 mSdLazyCounter, 4202 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1509 SdHoareTripleChecker+Valid, 5375 SdHoareTripleChecker+Invalid, 4393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 4202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:14,960 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1509 Valid, 5375 Invalid, 4393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 4202 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 15:10:14,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6462 states. [2022-03-15 15:10:14,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6462 to 2657. [2022-03-15 15:10:14,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2657 states, 2645 states have (on average 1.930812854442344) internal successors, (5107), 2656 states have internal predecessors, (5107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:14,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2657 states to 2657 states and 5107 transitions. [2022-03-15 15:10:14,997 INFO L78 Accepts]: Start accepts. Automaton has 2657 states and 5107 transitions. Word has length 133 [2022-03-15 15:10:14,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:14,997 INFO L470 AbstractCegarLoop]: Abstraction has 2657 states and 5107 transitions. [2022-03-15 15:10:14,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:14,998 INFO L276 IsEmpty]: Start isEmpty. Operand 2657 states and 5107 transitions. [2022-03-15 15:10:14,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:10:14,999 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:14,999 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:14,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2022-03-15 15:10:15,000 INFO L402 AbstractCegarLoop]: === Iteration 56 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:10:15,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:15,000 INFO L85 PathProgramCache]: Analyzing trace with hash -665176017, now seen corresponding path program 11 times [2022-03-15 15:10:15,000 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:15,000 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192664063] [2022-03-15 15:10:15,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:15,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:15,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:15,228 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:15,228 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192664063] [2022-03-15 15:10:15,228 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192664063] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:15,228 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:15,228 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:10:15,228 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761667781] [2022-03-15 15:10:15,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:15,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:10:15,229 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:15,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:10:15,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:10:15,230 INFO L87 Difference]: Start difference. First operand 2657 states and 5107 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:17,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:17,582 INFO L93 Difference]: Finished difference Result 5544 states and 10680 transitions. [2022-03-15 15:10:17,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-03-15 15:10:17,582 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:10:17,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:17,589 INFO L225 Difference]: With dead ends: 5544 [2022-03-15 15:10:17,589 INFO L226 Difference]: Without dead ends: 5544 [2022-03-15 15:10:17,590 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2629 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=982, Invalid=7208, Unknown=0, NotChecked=0, Total=8190 [2022-03-15 15:10:17,590 INFO L933 BasicCegarLoop]: 489 mSDtfsCounter, 1157 mSDsluCounter, 5724 mSDsCounter, 0 mSdLazyCounter, 4415 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1157 SdHoareTripleChecker+Valid, 6211 SdHoareTripleChecker+Invalid, 4503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 4415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:17,590 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1157 Valid, 6211 Invalid, 4503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 4415 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 15:10:17,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5544 states. [2022-03-15 15:10:17,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5544 to 2615. [2022-03-15 15:10:17,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2615 states, 2603 states have (on average 1.9281598155973876) internal successors, (5019), 2614 states have internal predecessors, (5019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:17,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2615 states to 2615 states and 5019 transitions. [2022-03-15 15:10:17,625 INFO L78 Accepts]: Start accepts. Automaton has 2615 states and 5019 transitions. Word has length 133 [2022-03-15 15:10:17,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:17,625 INFO L470 AbstractCegarLoop]: Abstraction has 2615 states and 5019 transitions. [2022-03-15 15:10:17,625 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:17,625 INFO L276 IsEmpty]: Start isEmpty. Operand 2615 states and 5019 transitions. [2022-03-15 15:10:17,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:10:17,626 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:17,626 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:17,626 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-03-15 15:10:17,626 INFO L402 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:10:17,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:17,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1876666220, now seen corresponding path program 4 times [2022-03-15 15:10:17,627 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:17,627 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683518301] [2022-03-15 15:10:17,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:17,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:17,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:17,856 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:17,856 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683518301] [2022-03-15 15:10:17,856 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683518301] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:17,856 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:17,856 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:10:17,856 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913936402] [2022-03-15 15:10:17,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:17,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:10:17,856 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:17,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:10:17,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:10:17,857 INFO L87 Difference]: Start difference. First operand 2615 states and 5019 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:20,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:20,417 INFO L93 Difference]: Finished difference Result 5730 states and 10987 transitions. [2022-03-15 15:10:20,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-15 15:10:20,417 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:10:20,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:20,424 INFO L225 Difference]: With dead ends: 5730 [2022-03-15 15:10:20,424 INFO L226 Difference]: Without dead ends: 5730 [2022-03-15 15:10:20,424 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1503 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=772, Invalid=4630, Unknown=0, NotChecked=0, Total=5402 [2022-03-15 15:10:20,424 INFO L933 BasicCegarLoop]: 455 mSDtfsCounter, 1286 mSDsluCounter, 5085 mSDsCounter, 0 mSdLazyCounter, 4568 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1286 SdHoareTripleChecker+Valid, 5536 SdHoareTripleChecker+Invalid, 4777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 4568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:20,425 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1286 Valid, 5536 Invalid, 4777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 4568 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 15:10:20,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5730 states. [2022-03-15 15:10:20,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5730 to 2617. [2022-03-15 15:10:20,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2617 states, 2605 states have (on average 1.9282149712092131) internal successors, (5023), 2616 states have internal predecessors, (5023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:20,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 2617 states and 5023 transitions. [2022-03-15 15:10:20,455 INFO L78 Accepts]: Start accepts. Automaton has 2617 states and 5023 transitions. Word has length 133 [2022-03-15 15:10:20,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:20,455 INFO L470 AbstractCegarLoop]: Abstraction has 2617 states and 5023 transitions. [2022-03-15 15:10:20,455 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:20,455 INFO L276 IsEmpty]: Start isEmpty. Operand 2617 states and 5023 transitions. [2022-03-15 15:10:20,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:10:20,456 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:20,456 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:20,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2022-03-15 15:10:20,457 INFO L402 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:10:20,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:20,457 INFO L85 PathProgramCache]: Analyzing trace with hash -2035580688, now seen corresponding path program 5 times [2022-03-15 15:10:20,457 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:20,457 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333679618] [2022-03-15 15:10:20,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:20,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:20,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:20,657 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:20,657 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333679618] [2022-03-15 15:10:20,657 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333679618] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:20,657 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:20,657 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:10:20,657 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290291158] [2022-03-15 15:10:20,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:20,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:10:20,657 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:20,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:10:20,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:10:20,658 INFO L87 Difference]: Start difference. First operand 2617 states and 5023 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:23,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:23,209 INFO L93 Difference]: Finished difference Result 5694 states and 10915 transitions. [2022-03-15 15:10:23,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-15 15:10:23,209 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:10:23,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:23,216 INFO L225 Difference]: With dead ends: 5694 [2022-03-15 15:10:23,216 INFO L226 Difference]: Without dead ends: 5694 [2022-03-15 15:10:23,216 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1616 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=797, Invalid=4903, Unknown=0, NotChecked=0, Total=5700 [2022-03-15 15:10:23,223 INFO L933 BasicCegarLoop]: 473 mSDtfsCounter, 1348 mSDsluCounter, 5538 mSDsCounter, 0 mSdLazyCounter, 5161 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1348 SdHoareTripleChecker+Valid, 6007 SdHoareTripleChecker+Invalid, 5380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 5161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:23,223 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1348 Valid, 6007 Invalid, 5380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 5161 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 15:10:23,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5694 states. [2022-03-15 15:10:23,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5694 to 2593. [2022-03-15 15:10:23,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2593 states, 2581 states have (on average 1.9275474622239441) internal successors, (4975), 2592 states have internal predecessors, (4975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:23,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2593 states to 2593 states and 4975 transitions. [2022-03-15 15:10:23,264 INFO L78 Accepts]: Start accepts. Automaton has 2593 states and 4975 transitions. Word has length 133 [2022-03-15 15:10:23,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:23,265 INFO L470 AbstractCegarLoop]: Abstraction has 2593 states and 4975 transitions. [2022-03-15 15:10:23,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:23,265 INFO L276 IsEmpty]: Start isEmpty. Operand 2593 states and 4975 transitions. [2022-03-15 15:10:23,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:10:23,266 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:23,267 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:23,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-03-15 15:10:23,267 INFO L402 AbstractCegarLoop]: === Iteration 59 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:10:23,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:23,267 INFO L85 PathProgramCache]: Analyzing trace with hash 254340073, now seen corresponding path program 12 times [2022-03-15 15:10:23,267 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:23,267 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447121098] [2022-03-15 15:10:23,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:23,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:23,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:23,642 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:23,642 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447121098] [2022-03-15 15:10:23,642 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447121098] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:23,642 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:23,642 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-03-15 15:10:23,642 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617558789] [2022-03-15 15:10:23,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:23,642 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-15 15:10:23,642 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:23,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-15 15:10:23,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2022-03-15 15:10:23,643 INFO L87 Difference]: Start difference. First operand 2593 states and 4975 transitions. Second operand has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:25,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:25,510 INFO L93 Difference]: Finished difference Result 4436 states and 8585 transitions. [2022-03-15 15:10:25,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 15:10:25,510 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:10:25,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:25,516 INFO L225 Difference]: With dead ends: 4436 [2022-03-15 15:10:25,516 INFO L226 Difference]: Without dead ends: 4436 [2022-03-15 15:10:25,516 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1488 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=772, Invalid=4484, Unknown=0, NotChecked=0, Total=5256 [2022-03-15 15:10:25,517 INFO L933 BasicCegarLoop]: 266 mSDtfsCounter, 1323 mSDsluCounter, 3026 mSDsCounter, 0 mSdLazyCounter, 2522 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1323 SdHoareTripleChecker+Valid, 3288 SdHoareTripleChecker+Invalid, 2650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 2522 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:25,517 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1323 Valid, 3288 Invalid, 2650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 2522 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:10:25,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4436 states. [2022-03-15 15:10:25,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4436 to 2685. [2022-03-15 15:10:25,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2685 states, 2673 states have (on average 1.9300411522633745) internal successors, (5159), 2684 states have internal predecessors, (5159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:25,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2685 states to 2685 states and 5159 transitions. [2022-03-15 15:10:25,550 INFO L78 Accepts]: Start accepts. Automaton has 2685 states and 5159 transitions. Word has length 133 [2022-03-15 15:10:25,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:25,550 INFO L470 AbstractCegarLoop]: Abstraction has 2685 states and 5159 transitions. [2022-03-15 15:10:25,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:25,550 INFO L276 IsEmpty]: Start isEmpty. Operand 2685 states and 5159 transitions. [2022-03-15 15:10:25,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:10:25,552 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:25,552 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:25,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-03-15 15:10:25,552 INFO L402 AbstractCegarLoop]: === Iteration 60 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:10:25,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:25,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1938654125, now seen corresponding path program 13 times [2022-03-15 15:10:25,552 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:25,552 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401088921] [2022-03-15 15:10:25,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:25,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:25,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:25,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:25,895 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:25,895 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401088921] [2022-03-15 15:10:25,895 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401088921] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:25,895 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:25,895 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:10:25,895 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955584659] [2022-03-15 15:10:25,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:25,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:10:25,896 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:25,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:10:25,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:10:25,896 INFO L87 Difference]: Start difference. First operand 2685 states and 5159 transitions. Second operand has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:27,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:27,525 INFO L93 Difference]: Finished difference Result 4480 states and 8671 transitions. [2022-03-15 15:10:27,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 15:10:27,526 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:10:27,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:27,531 INFO L225 Difference]: With dead ends: 4480 [2022-03-15 15:10:27,531 INFO L226 Difference]: Without dead ends: 4480 [2022-03-15 15:10:27,532 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1455 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=792, Invalid=4320, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 15:10:27,532 INFO L933 BasicCegarLoop]: 287 mSDtfsCounter, 1440 mSDsluCounter, 3349 mSDsCounter, 0 mSdLazyCounter, 2851 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1440 SdHoareTripleChecker+Valid, 3634 SdHoareTripleChecker+Invalid, 3001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 2851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:27,533 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1440 Valid, 3634 Invalid, 3001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 2851 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:10:27,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4480 states. [2022-03-15 15:10:27,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4480 to 2696. [2022-03-15 15:10:27,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2696 states, 2684 states have (on average 1.930327868852459) internal successors, (5181), 2695 states have internal predecessors, (5181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:27,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2696 states to 2696 states and 5181 transitions. [2022-03-15 15:10:27,567 INFO L78 Accepts]: Start accepts. Automaton has 2696 states and 5181 transitions. Word has length 133 [2022-03-15 15:10:27,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:27,567 INFO L470 AbstractCegarLoop]: Abstraction has 2696 states and 5181 transitions. [2022-03-15 15:10:27,567 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:27,567 INFO L276 IsEmpty]: Start isEmpty. Operand 2696 states and 5181 transitions. [2022-03-15 15:10:27,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:10:27,569 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:27,569 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:27,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2022-03-15 15:10:27,569 INFO L402 AbstractCegarLoop]: === Iteration 61 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:10:27,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:27,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1031765639, now seen corresponding path program 14 times [2022-03-15 15:10:27,569 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:27,569 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335422537] [2022-03-15 15:10:27,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:27,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:27,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:27,903 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:27,903 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335422537] [2022-03-15 15:10:27,903 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335422537] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:27,903 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:27,903 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-03-15 15:10:27,903 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998840676] [2022-03-15 15:10:27,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:27,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-15 15:10:27,903 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:27,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-15 15:10:27,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2022-03-15 15:10:27,904 INFO L87 Difference]: Start difference. First operand 2696 states and 5181 transitions. Second operand has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:29,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:29,763 INFO L93 Difference]: Finished difference Result 4530 states and 8769 transitions. [2022-03-15 15:10:29,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-03-15 15:10:29,764 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:10:29,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:29,769 INFO L225 Difference]: With dead ends: 4530 [2022-03-15 15:10:29,769 INFO L226 Difference]: Without dead ends: 4530 [2022-03-15 15:10:29,770 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2056 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=981, Invalid=5825, Unknown=0, NotChecked=0, Total=6806 [2022-03-15 15:10:29,770 INFO L933 BasicCegarLoop]: 282 mSDtfsCounter, 1366 mSDsluCounter, 3688 mSDsCounter, 0 mSdLazyCounter, 3381 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1366 SdHoareTripleChecker+Valid, 3966 SdHoareTripleChecker+Invalid, 3568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 3381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:29,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1366 Valid, 3966 Invalid, 3568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 3381 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 15:10:29,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4530 states. [2022-03-15 15:10:29,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4530 to 2707. [2022-03-15 15:10:29,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2707 states, 2695 states have (on average 1.9306122448979592) internal successors, (5203), 2706 states have internal predecessors, (5203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:29,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2707 states to 2707 states and 5203 transitions. [2022-03-15 15:10:29,799 INFO L78 Accepts]: Start accepts. Automaton has 2707 states and 5203 transitions. Word has length 133 [2022-03-15 15:10:29,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:29,800 INFO L470 AbstractCegarLoop]: Abstraction has 2707 states and 5203 transitions. [2022-03-15 15:10:29,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:29,800 INFO L276 IsEmpty]: Start isEmpty. Operand 2707 states and 5203 transitions. [2022-03-15 15:10:29,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:10:29,801 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:29,801 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:29,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-03-15 15:10:29,801 INFO L402 AbstractCegarLoop]: === Iteration 62 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:10:29,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:29,802 INFO L85 PathProgramCache]: Analyzing trace with hash -157105675, now seen corresponding path program 15 times [2022-03-15 15:10:29,802 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:29,802 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086298693] [2022-03-15 15:10:29,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:29,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:30,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:30,074 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:30,074 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086298693] [2022-03-15 15:10:30,075 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086298693] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:30,075 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:30,075 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:10:30,075 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785312327] [2022-03-15 15:10:30,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:30,075 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:10:30,075 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:30,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:10:30,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:10:30,076 INFO L87 Difference]: Start difference. First operand 2707 states and 5203 transitions. Second operand has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:32,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:32,561 INFO L93 Difference]: Finished difference Result 4713 states and 9129 transitions. [2022-03-15 15:10:32,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2022-03-15 15:10:32,562 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:10:32,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:32,566 INFO L225 Difference]: With dead ends: 4713 [2022-03-15 15:10:32,566 INFO L226 Difference]: Without dead ends: 4713 [2022-03-15 15:10:32,566 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3314 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1519, Invalid=8581, Unknown=0, NotChecked=0, Total=10100 [2022-03-15 15:10:32,567 INFO L933 BasicCegarLoop]: 361 mSDtfsCounter, 1492 mSDsluCounter, 4016 mSDsCounter, 0 mSdLazyCounter, 3848 mSolverCounterSat, 230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1492 SdHoareTripleChecker+Valid, 4375 SdHoareTripleChecker+Invalid, 4078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 230 IncrementalHoareTripleChecker+Valid, 3848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:32,567 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1492 Valid, 4375 Invalid, 4078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [230 Valid, 3848 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 15:10:32,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4713 states. [2022-03-15 15:10:32,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4713 to 2718. [2022-03-15 15:10:32,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 2706 states have (on average 1.9308943089430894) internal successors, (5225), 2717 states have internal predecessors, (5225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:32,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 5225 transitions. [2022-03-15 15:10:32,593 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 5225 transitions. Word has length 133 [2022-03-15 15:10:32,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:32,593 INFO L470 AbstractCegarLoop]: Abstraction has 2718 states and 5225 transitions. [2022-03-15 15:10:32,594 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:32,594 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 5225 transitions. [2022-03-15 15:10:32,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:10:32,595 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:32,595 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:32,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2022-03-15 15:10:32,595 INFO L402 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:10:32,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:32,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1617380012, now seen corresponding path program 6 times [2022-03-15 15:10:32,596 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:32,596 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215862508] [2022-03-15 15:10:32,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:32,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:32,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:32,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:32,859 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:32,859 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215862508] [2022-03-15 15:10:32,859 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215862508] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:32,859 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:32,859 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-03-15 15:10:32,859 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220556719] [2022-03-15 15:10:32,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:32,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-03-15 15:10:32,860 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:32,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-03-15 15:10:32,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2022-03-15 15:10:32,860 INFO L87 Difference]: Start difference. First operand 2718 states and 5225 transitions. Second operand has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:34,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:34,745 INFO L93 Difference]: Finished difference Result 5392 states and 10371 transitions. [2022-03-15 15:10:34,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-15 15:10:34,745 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:10:34,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:34,750 INFO L225 Difference]: With dead ends: 5392 [2022-03-15 15:10:34,750 INFO L226 Difference]: Without dead ends: 5392 [2022-03-15 15:10:34,750 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1616 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=684, Invalid=4866, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 15:10:34,750 INFO L933 BasicCegarLoop]: 373 mSDtfsCounter, 1548 mSDsluCounter, 4181 mSDsCounter, 0 mSdLazyCounter, 4297 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1548 SdHoareTripleChecker+Valid, 4548 SdHoareTripleChecker+Invalid, 4488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 4297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:34,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1548 Valid, 4548 Invalid, 4488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 4297 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:10:34,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5392 states. [2022-03-15 15:10:34,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5392 to 2725. [2022-03-15 15:10:34,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2725 states, 2713 states have (on average 1.9325469959454478) internal successors, (5243), 2724 states have internal predecessors, (5243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:34,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 2725 states and 5243 transitions. [2022-03-15 15:10:34,778 INFO L78 Accepts]: Start accepts. Automaton has 2725 states and 5243 transitions. Word has length 133 [2022-03-15 15:10:34,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:34,778 INFO L470 AbstractCegarLoop]: Abstraction has 2725 states and 5243 transitions. [2022-03-15 15:10:34,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:34,778 INFO L276 IsEmpty]: Start isEmpty. Operand 2725 states and 5243 transitions. [2022-03-15 15:10:34,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:10:34,779 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:34,779 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:34,779 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2022-03-15 15:10:34,780 INFO L402 AbstractCegarLoop]: === Iteration 64 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:10:34,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:34,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1332876753, now seen corresponding path program 16 times [2022-03-15 15:10:34,780 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:34,780 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138743858] [2022-03-15 15:10:34,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:34,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:34,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:34,934 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:34,934 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138743858] [2022-03-15 15:10:34,934 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138743858] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:34,934 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:34,934 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:10:34,934 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228664791] [2022-03-15 15:10:34,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:34,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:10:34,935 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:34,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:10:34,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:10:34,935 INFO L87 Difference]: Start difference. First operand 2725 states and 5243 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:36,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:36,913 INFO L93 Difference]: Finished difference Result 4936 states and 9535 transitions. [2022-03-15 15:10:36,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2022-03-15 15:10:36,913 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:10:36,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:36,918 INFO L225 Difference]: With dead ends: 4936 [2022-03-15 15:10:36,918 INFO L226 Difference]: Without dead ends: 4936 [2022-03-15 15:10:36,918 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2447 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1008, Invalid=6824, Unknown=0, NotChecked=0, Total=7832 [2022-03-15 15:10:36,918 INFO L933 BasicCegarLoop]: 402 mSDtfsCounter, 1284 mSDsluCounter, 4261 mSDsCounter, 0 mSdLazyCounter, 3959 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1284 SdHoareTripleChecker+Valid, 4661 SdHoareTripleChecker+Invalid, 4073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 3959 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:36,919 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1284 Valid, 4661 Invalid, 4073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 3959 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:10:36,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4936 states. [2022-03-15 15:10:36,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4936 to 2629. [2022-03-15 15:10:36,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2629 states, 2617 states have (on average 1.9285441345051586) internal successors, (5047), 2628 states have internal predecessors, (5047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:36,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2629 states to 2629 states and 5047 transitions. [2022-03-15 15:10:36,943 INFO L78 Accepts]: Start accepts. Automaton has 2629 states and 5047 transitions. Word has length 133 [2022-03-15 15:10:36,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:36,944 INFO L470 AbstractCegarLoop]: Abstraction has 2629 states and 5047 transitions. [2022-03-15 15:10:36,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:36,944 INFO L276 IsEmpty]: Start isEmpty. Operand 2629 states and 5047 transitions. [2022-03-15 15:10:36,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:10:36,945 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:36,945 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:36,945 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2022-03-15 15:10:36,945 INFO L402 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:10:36,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:36,945 INFO L85 PathProgramCache]: Analyzing trace with hash 898628588, now seen corresponding path program 7 times [2022-03-15 15:10:36,946 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:36,946 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616301393] [2022-03-15 15:10:36,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:36,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:37,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:37,174 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:37,174 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616301393] [2022-03-15 15:10:37,175 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616301393] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:37,175 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:37,175 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:10:37,175 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645329454] [2022-03-15 15:10:37,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:37,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:10:37,175 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:37,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:10:37,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:10:37,176 INFO L87 Difference]: Start difference. First operand 2629 states and 5047 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:39,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:39,627 INFO L93 Difference]: Finished difference Result 7030 states and 13506 transitions. [2022-03-15 15:10:39,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-15 15:10:39,628 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:10:39,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:39,637 INFO L225 Difference]: With dead ends: 7030 [2022-03-15 15:10:39,637 INFO L226 Difference]: Without dead ends: 7030 [2022-03-15 15:10:39,637 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1801 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=777, Invalid=5229, Unknown=0, NotChecked=0, Total=6006 [2022-03-15 15:10:39,639 INFO L933 BasicCegarLoop]: 452 mSDtfsCounter, 1647 mSDsluCounter, 4900 mSDsCounter, 0 mSdLazyCounter, 4369 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1647 SdHoareTripleChecker+Valid, 5348 SdHoareTripleChecker+Invalid, 4573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 4369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:39,639 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1647 Valid, 5348 Invalid, 4573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 4369 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 15:10:39,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7030 states. [2022-03-15 15:10:39,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7030 to 2709. [2022-03-15 15:10:39,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2709 states, 2697 states have (on average 1.932146829810901) internal successors, (5211), 2708 states have internal predecessors, (5211), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:39,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2709 states to 2709 states and 5211 transitions. [2022-03-15 15:10:39,672 INFO L78 Accepts]: Start accepts. Automaton has 2709 states and 5211 transitions. Word has length 133 [2022-03-15 15:10:39,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:39,672 INFO L470 AbstractCegarLoop]: Abstraction has 2709 states and 5211 transitions. [2022-03-15 15:10:39,672 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:39,672 INFO L276 IsEmpty]: Start isEmpty. Operand 2709 states and 5211 transitions. [2022-03-15 15:10:39,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:10:39,673 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:39,674 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:39,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2022-03-15 15:10:39,674 INFO L402 AbstractCegarLoop]: === Iteration 66 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:10:39,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:39,674 INFO L85 PathProgramCache]: Analyzing trace with hash -232838033, now seen corresponding path program 17 times [2022-03-15 15:10:39,674 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:39,674 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036770822] [2022-03-15 15:10:39,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:39,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:39,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:39,900 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:39,900 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036770822] [2022-03-15 15:10:39,900 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036770822] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:39,900 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:39,900 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-03-15 15:10:39,901 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317804427] [2022-03-15 15:10:39,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:39,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-03-15 15:10:39,901 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:39,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-03-15 15:10:39,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2022-03-15 15:10:39,901 INFO L87 Difference]: Start difference. First operand 2709 states and 5211 transitions. Second operand has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:42,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:42,361 INFO L93 Difference]: Finished difference Result 6142 states and 11864 transitions. [2022-03-15 15:10:42,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2022-03-15 15:10:42,362 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:10:42,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:42,374 INFO L225 Difference]: With dead ends: 6142 [2022-03-15 15:10:42,374 INFO L226 Difference]: Without dead ends: 6142 [2022-03-15 15:10:42,375 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4275 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1385, Invalid=11047, Unknown=0, NotChecked=0, Total=12432 [2022-03-15 15:10:42,375 INFO L933 BasicCegarLoop]: 486 mSDtfsCounter, 1406 mSDsluCounter, 6044 mSDsCounter, 0 mSdLazyCounter, 5468 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1406 SdHoareTripleChecker+Valid, 6526 SdHoareTripleChecker+Invalid, 5589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 5468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:42,375 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1406 Valid, 6526 Invalid, 5589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 5468 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 15:10:42,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6142 states. [2022-03-15 15:10:42,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6142 to 2667. [2022-03-15 15:10:42,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2667 states, 2655 states have (on average 1.9295668549905838) internal successors, (5123), 2666 states have internal predecessors, (5123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:42,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 2667 states and 5123 transitions. [2022-03-15 15:10:42,409 INFO L78 Accepts]: Start accepts. Automaton has 2667 states and 5123 transitions. Word has length 133 [2022-03-15 15:10:42,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:42,409 INFO L470 AbstractCegarLoop]: Abstraction has 2667 states and 5123 transitions. [2022-03-15 15:10:42,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:42,409 INFO L276 IsEmpty]: Start isEmpty. Operand 2667 states and 5123 transitions. [2022-03-15 15:10:42,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:10:42,411 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:42,411 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:42,411 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2022-03-15 15:10:42,411 INFO L402 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:10:42,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:42,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1985963092, now seen corresponding path program 8 times [2022-03-15 15:10:42,411 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:42,411 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628686288] [2022-03-15 15:10:42,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:42,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:42,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:42,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:42,646 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:42,646 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628686288] [2022-03-15 15:10:42,646 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628686288] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:42,646 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:42,646 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:10:42,646 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886822544] [2022-03-15 15:10:42,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:42,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:10:42,647 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:42,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:10:42,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:10:42,647 INFO L87 Difference]: Start difference. First operand 2667 states and 5123 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:44,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:44,810 INFO L93 Difference]: Finished difference Result 6298 states and 12111 transitions. [2022-03-15 15:10:44,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-15 15:10:44,810 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:10:44,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:44,817 INFO L225 Difference]: With dead ends: 6298 [2022-03-15 15:10:44,817 INFO L226 Difference]: Without dead ends: 6298 [2022-03-15 15:10:44,817 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1694 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=786, Invalid=5066, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 15:10:44,819 INFO L933 BasicCegarLoop]: 472 mSDtfsCounter, 1543 mSDsluCounter, 4761 mSDsCounter, 0 mSdLazyCounter, 4356 mSolverCounterSat, 205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1543 SdHoareTripleChecker+Valid, 5229 SdHoareTripleChecker+Invalid, 4561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 205 IncrementalHoareTripleChecker+Valid, 4356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:44,819 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1543 Valid, 5229 Invalid, 4561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [205 Valid, 4356 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:10:44,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6298 states. [2022-03-15 15:10:44,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6298 to 2663. [2022-03-15 15:10:44,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2663 states, 2651 states have (on average 1.929460580912863) internal successors, (5115), 2662 states have internal predecessors, (5115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:44,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2663 states and 5115 transitions. [2022-03-15 15:10:44,854 INFO L78 Accepts]: Start accepts. Automaton has 2663 states and 5115 transitions. Word has length 133 [2022-03-15 15:10:44,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:44,855 INFO L470 AbstractCegarLoop]: Abstraction has 2663 states and 5115 transitions. [2022-03-15 15:10:44,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:44,855 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 5115 transitions. [2022-03-15 15:10:44,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:10:44,856 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:44,856 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:44,856 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2022-03-15 15:10:44,856 INFO L402 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:10:44,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:44,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1603242704, now seen corresponding path program 9 times [2022-03-15 15:10:44,856 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:44,857 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216917954] [2022-03-15 15:10:44,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:44,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:45,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:45,183 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:45,184 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216917954] [2022-03-15 15:10:45,184 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216917954] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:45,184 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:45,184 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:10:45,184 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378666004] [2022-03-15 15:10:45,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:45,184 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:10:45,184 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:45,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:10:45,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:10:45,185 INFO L87 Difference]: Start difference. First operand 2663 states and 5115 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:47,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:47,977 INFO L93 Difference]: Finished difference Result 6262 states and 12039 transitions. [2022-03-15 15:10:47,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-03-15 15:10:47,978 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:10:47,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:47,984 INFO L225 Difference]: With dead ends: 6262 [2022-03-15 15:10:47,984 INFO L226 Difference]: Without dead ends: 6262 [2022-03-15 15:10:47,985 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1814 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=809, Invalid=5353, Unknown=0, NotChecked=0, Total=6162 [2022-03-15 15:10:47,985 INFO L933 BasicCegarLoop]: 490 mSDtfsCounter, 1501 mSDsluCounter, 5043 mSDsCounter, 0 mSdLazyCounter, 4669 mSolverCounterSat, 226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1501 SdHoareTripleChecker+Valid, 5530 SdHoareTripleChecker+Invalid, 4895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 4669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:47,985 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1501 Valid, 5530 Invalid, 4895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [226 Valid, 4669 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 15:10:47,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6262 states. [2022-03-15 15:10:48,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6262 to 2617. [2022-03-15 15:10:48,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2617 states, 2605 states have (on average 1.9282149712092131) internal successors, (5023), 2616 states have internal predecessors, (5023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:48,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 2617 states and 5023 transitions. [2022-03-15 15:10:48,017 INFO L78 Accepts]: Start accepts. Automaton has 2617 states and 5023 transitions. Word has length 133 [2022-03-15 15:10:48,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:48,017 INFO L470 AbstractCegarLoop]: Abstraction has 2617 states and 5023 transitions. [2022-03-15 15:10:48,017 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:48,017 INFO L276 IsEmpty]: Start isEmpty. Operand 2617 states and 5023 transitions. [2022-03-15 15:10:48,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:10:48,018 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:48,019 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:48,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2022-03-15 15:10:48,019 INFO L402 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:10:48,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:48,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1314846548, now seen corresponding path program 10 times [2022-03-15 15:10:48,019 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:48,019 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253959712] [2022-03-15 15:10:48,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:48,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:48,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:48,286 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:48,286 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253959712] [2022-03-15 15:10:48,286 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253959712] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:48,286 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:48,286 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:10:48,286 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854828232] [2022-03-15 15:10:48,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:48,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:10:48,286 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:48,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:10:48,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:10:48,287 INFO L87 Difference]: Start difference. First operand 2617 states and 5023 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:50,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:50,450 INFO L93 Difference]: Finished difference Result 6628 states and 12699 transitions. [2022-03-15 15:10:50,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-15 15:10:50,450 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:10:50,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:50,458 INFO L225 Difference]: With dead ends: 6628 [2022-03-15 15:10:50,458 INFO L226 Difference]: Without dead ends: 6608 [2022-03-15 15:10:50,459 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1973 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=892, Invalid=5588, Unknown=0, NotChecked=0, Total=6480 [2022-03-15 15:10:50,475 INFO L933 BasicCegarLoop]: 424 mSDtfsCounter, 1664 mSDsluCounter, 5039 mSDsCounter, 0 mSdLazyCounter, 4606 mSolverCounterSat, 258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1664 SdHoareTripleChecker+Valid, 5458 SdHoareTripleChecker+Invalid, 4864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 4606 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:50,475 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1664 Valid, 5458 Invalid, 4864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [258 Valid, 4606 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 15:10:50,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6608 states. [2022-03-15 15:10:50,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6608 to 2897. [2022-03-15 15:10:50,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2897 states, 2885 states have (on average 1.9393414211438476) internal successors, (5595), 2896 states have internal predecessors, (5595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:50,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2897 states to 2897 states and 5595 transitions. [2022-03-15 15:10:50,518 INFO L78 Accepts]: Start accepts. Automaton has 2897 states and 5595 transitions. Word has length 133 [2022-03-15 15:10:50,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:50,518 INFO L470 AbstractCegarLoop]: Abstraction has 2897 states and 5595 transitions. [2022-03-15 15:10:50,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:50,518 INFO L276 IsEmpty]: Start isEmpty. Operand 2897 states and 5595 transitions. [2022-03-15 15:10:50,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:10:50,519 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:50,519 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:50,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2022-03-15 15:10:50,520 INFO L402 AbstractCegarLoop]: === Iteration 70 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:10:50,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:50,520 INFO L85 PathProgramCache]: Analyzing trace with hash 1848654127, now seen corresponding path program 18 times [2022-03-15 15:10:50,520 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:50,520 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902618721] [2022-03-15 15:10:50,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:50,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:50,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:50,729 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:50,729 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902618721] [2022-03-15 15:10:50,729 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902618721] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:50,729 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:50,729 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-03-15 15:10:50,729 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920112467] [2022-03-15 15:10:50,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:50,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-03-15 15:10:50,730 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:50,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-03-15 15:10:50,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2022-03-15 15:10:50,730 INFO L87 Difference]: Start difference. First operand 2897 states and 5595 transitions. Second operand has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:52,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:52,580 INFO L93 Difference]: Finished difference Result 5670 states and 10926 transitions. [2022-03-15 15:10:52,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2022-03-15 15:10:52,581 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:10:52,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:52,587 INFO L225 Difference]: With dead ends: 5670 [2022-03-15 15:10:52,588 INFO L226 Difference]: Without dead ends: 5670 [2022-03-15 15:10:52,589 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3404 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1127, Invalid=8973, Unknown=0, NotChecked=0, Total=10100 [2022-03-15 15:10:52,591 INFO L933 BasicCegarLoop]: 450 mSDtfsCounter, 1401 mSDsluCounter, 5012 mSDsCounter, 0 mSdLazyCounter, 4329 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1401 SdHoareTripleChecker+Valid, 5458 SdHoareTripleChecker+Invalid, 4456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 4329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:52,591 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1401 Valid, 5458 Invalid, 4456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 4329 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:10:52,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5670 states. [2022-03-15 15:10:52,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5670 to 2899. [2022-03-15 15:10:52,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2899 states, 2887 states have (on average 1.9379979217180465) internal successors, (5595), 2898 states have internal predecessors, (5595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:52,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 2899 states and 5595 transitions. [2022-03-15 15:10:52,629 INFO L78 Accepts]: Start accepts. Automaton has 2899 states and 5595 transitions. Word has length 133 [2022-03-15 15:10:52,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:52,629 INFO L470 AbstractCegarLoop]: Abstraction has 2899 states and 5595 transitions. [2022-03-15 15:10:52,630 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:52,630 INFO L276 IsEmpty]: Start isEmpty. Operand 2899 states and 5595 transitions. [2022-03-15 15:10:52,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:10:52,631 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:52,631 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:52,631 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2022-03-15 15:10:52,631 INFO L402 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:10:52,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:52,632 INFO L85 PathProgramCache]: Analyzing trace with hash 95529068, now seen corresponding path program 11 times [2022-03-15 15:10:52,632 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:52,632 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869346885] [2022-03-15 15:10:52,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:52,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:52,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:52,902 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:52,902 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869346885] [2022-03-15 15:10:52,902 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869346885] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:52,902 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:52,902 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:10:52,903 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262519251] [2022-03-15 15:10:52,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:52,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:10:52,903 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:52,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:10:52,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:10:52,904 INFO L87 Difference]: Start difference. First operand 2899 states and 5595 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:55,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:55,572 INFO L93 Difference]: Finished difference Result 7314 states and 14010 transitions. [2022-03-15 15:10:55,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-03-15 15:10:55,573 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:10:55,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:55,582 INFO L225 Difference]: With dead ends: 7314 [2022-03-15 15:10:55,582 INFO L226 Difference]: Without dead ends: 7314 [2022-03-15 15:10:55,583 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2204 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1003, Invalid=6137, Unknown=0, NotChecked=0, Total=7140 [2022-03-15 15:10:55,584 INFO L933 BasicCegarLoop]: 472 mSDtfsCounter, 1830 mSDsluCounter, 4491 mSDsCounter, 0 mSdLazyCounter, 4044 mSolverCounterSat, 291 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1830 SdHoareTripleChecker+Valid, 4960 SdHoareTripleChecker+Invalid, 4335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 291 IncrementalHoareTripleChecker+Valid, 4044 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:55,584 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1830 Valid, 4960 Invalid, 4335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [291 Valid, 4044 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 15:10:55,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7314 states. [2022-03-15 15:10:55,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7314 to 2901. [2022-03-15 15:10:55,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2901 states, 2889 states have (on average 1.9380408445829007) internal successors, (5599), 2900 states have internal predecessors, (5599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:55,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2901 states to 2901 states and 5599 transitions. [2022-03-15 15:10:55,637 INFO L78 Accepts]: Start accepts. Automaton has 2901 states and 5599 transitions. Word has length 133 [2022-03-15 15:10:55,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:55,637 INFO L470 AbstractCegarLoop]: Abstraction has 2901 states and 5599 transitions. [2022-03-15 15:10:55,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:55,637 INFO L276 IsEmpty]: Start isEmpty. Operand 2901 states and 5599 transitions. [2022-03-15 15:10:55,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:10:55,639 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:55,639 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:55,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2022-03-15 15:10:55,639 INFO L402 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:10:55,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:55,639 INFO L85 PathProgramCache]: Analyzing trace with hash 478249456, now seen corresponding path program 12 times [2022-03-15 15:10:55,639 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:55,639 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692527943] [2022-03-15 15:10:55,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:55,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:55,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:55,891 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:55,891 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692527943] [2022-03-15 15:10:55,891 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692527943] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:55,891 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:55,891 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:10:55,891 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991874883] [2022-03-15 15:10:55,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:55,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:10:55,892 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:55,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:10:55,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:10:55,892 INFO L87 Difference]: Start difference. First operand 2901 states and 5599 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:58,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:10:58,995 INFO L93 Difference]: Finished difference Result 7453 states and 14288 transitions. [2022-03-15 15:10:58,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2022-03-15 15:10:58,996 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:10:58,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:10:59,003 INFO L225 Difference]: With dead ends: 7453 [2022-03-15 15:10:59,004 INFO L226 Difference]: Without dead ends: 7453 [2022-03-15 15:10:59,004 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2340 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1033, Invalid=6449, Unknown=0, NotChecked=0, Total=7482 [2022-03-15 15:10:59,008 INFO L933 BasicCegarLoop]: 488 mSDtfsCounter, 1799 mSDsluCounter, 5153 mSDsCounter, 0 mSdLazyCounter, 4876 mSolverCounterSat, 308 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1799 SdHoareTripleChecker+Valid, 5638 SdHoareTripleChecker+Invalid, 5184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 308 IncrementalHoareTripleChecker+Valid, 4876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:10:59,008 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1799 Valid, 5638 Invalid, 5184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [308 Valid, 4876 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-03-15 15:10:59,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7453 states. [2022-03-15 15:10:59,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7453 to 2899. [2022-03-15 15:10:59,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2899 states, 2887 states have (on average 1.9379979217180465) internal successors, (5595), 2898 states have internal predecessors, (5595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:59,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 2899 states and 5595 transitions. [2022-03-15 15:10:59,047 INFO L78 Accepts]: Start accepts. Automaton has 2899 states and 5595 transitions. Word has length 133 [2022-03-15 15:10:59,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:10:59,047 INFO L470 AbstractCegarLoop]: Abstraction has 2899 states and 5595 transitions. [2022-03-15 15:10:59,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:10:59,047 INFO L276 IsEmpty]: Start isEmpty. Operand 2899 states and 5595 transitions. [2022-03-15 15:10:59,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:10:59,049 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:10:59,049 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:10:59,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2022-03-15 15:10:59,049 INFO L402 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:10:59,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:10:59,049 INFO L85 PathProgramCache]: Analyzing trace with hash -2000142996, now seen corresponding path program 13 times [2022-03-15 15:10:59,049 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:10:59,049 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447523401] [2022-03-15 15:10:59,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:10:59,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:10:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:10:59,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:10:59,350 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:10:59,350 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447523401] [2022-03-15 15:10:59,350 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447523401] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:10:59,350 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:10:59,350 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:10:59,350 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101134988] [2022-03-15 15:10:59,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:10:59,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:10:59,351 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:10:59,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:10:59,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:10:59,351 INFO L87 Difference]: Start difference. First operand 2899 states and 5595 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:01,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:01,982 INFO L93 Difference]: Finished difference Result 6148 states and 11812 transitions. [2022-03-15 15:11:01,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-03-15 15:11:01,982 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:11:01,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:01,988 INFO L225 Difference]: With dead ends: 6148 [2022-03-15 15:11:01,988 INFO L226 Difference]: Without dead ends: 6128 [2022-03-15 15:11:01,988 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2417 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1132, Invalid=6700, Unknown=0, NotChecked=0, Total=7832 [2022-03-15 15:11:01,988 INFO L933 BasicCegarLoop]: 454 mSDtfsCounter, 1479 mSDsluCounter, 5121 mSDsCounter, 0 mSdLazyCounter, 4843 mSolverCounterSat, 278 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1479 SdHoareTripleChecker+Valid, 5571 SdHoareTripleChecker+Invalid, 5121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 278 IncrementalHoareTripleChecker+Valid, 4843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:01,989 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1479 Valid, 5571 Invalid, 5121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [278 Valid, 4843 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 15:11:01,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6128 states. [2022-03-15 15:11:02,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6128 to 3200. [2022-03-15 15:11:02,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3200 states, 3188 states have (on average 1.9523212045169385) internal successors, (6224), 3199 states have internal predecessors, (6224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:02,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3200 states to 3200 states and 6224 transitions. [2022-03-15 15:11:02,022 INFO L78 Accepts]: Start accepts. Automaton has 3200 states and 6224 transitions. Word has length 133 [2022-03-15 15:11:02,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:02,024 INFO L470 AbstractCegarLoop]: Abstraction has 3200 states and 6224 transitions. [2022-03-15 15:11:02,024 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:02,024 INFO L276 IsEmpty]: Start isEmpty. Operand 3200 states and 6224 transitions. [2022-03-15 15:11:02,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:11:02,025 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:02,025 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:02,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2022-03-15 15:11:02,025 INFO L402 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:11:02,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:02,026 INFO L85 PathProgramCache]: Analyzing trace with hash 46033870, now seen corresponding path program 14 times [2022-03-15 15:11:02,026 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:02,026 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193658790] [2022-03-15 15:11:02,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:02,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:02,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:02,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:02,191 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:02,191 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193658790] [2022-03-15 15:11:02,191 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193658790] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:02,191 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:02,191 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:11:02,191 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264102641] [2022-03-15 15:11:02,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:02,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:11:02,192 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:02,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:11:02,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:11:02,192 INFO L87 Difference]: Start difference. First operand 3200 states and 6224 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:05,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:05,039 INFO L93 Difference]: Finished difference Result 5812 states and 11145 transitions. [2022-03-15 15:11:05,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2022-03-15 15:11:05,051 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:11:05,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:05,057 INFO L225 Difference]: With dead ends: 5812 [2022-03-15 15:11:05,057 INFO L226 Difference]: Without dead ends: 5812 [2022-03-15 15:11:05,057 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2220 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1053, Invalid=6257, Unknown=0, NotChecked=0, Total=7310 [2022-03-15 15:11:05,058 INFO L933 BasicCegarLoop]: 457 mSDtfsCounter, 1531 mSDsluCounter, 5121 mSDsCounter, 0 mSdLazyCounter, 5149 mSolverCounterSat, 310 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1531 SdHoareTripleChecker+Valid, 5574 SdHoareTripleChecker+Invalid, 5459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 310 IncrementalHoareTripleChecker+Valid, 5149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:05,058 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1531 Valid, 5574 Invalid, 5459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [310 Valid, 5149 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 15:11:05,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5812 states. [2022-03-15 15:11:05,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5812 to 3174. [2022-03-15 15:11:05,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3174 states, 3162 states have (on average 1.9519291587602783) internal successors, (6172), 3173 states have internal predecessors, (6172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:05,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3174 states to 3174 states and 6172 transitions. [2022-03-15 15:11:05,091 INFO L78 Accepts]: Start accepts. Automaton has 3174 states and 6172 transitions. Word has length 133 [2022-03-15 15:11:05,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:05,091 INFO L470 AbstractCegarLoop]: Abstraction has 3174 states and 6172 transitions. [2022-03-15 15:11:05,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:05,091 INFO L276 IsEmpty]: Start isEmpty. Operand 3174 states and 6172 transitions. [2022-03-15 15:11:05,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:11:05,093 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:05,093 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:05,093 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-03-15 15:11:05,093 INFO L402 AbstractCegarLoop]: === Iteration 75 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:11:05,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:05,094 INFO L85 PathProgramCache]: Analyzing trace with hash -209318331, now seen corresponding path program 19 times [2022-03-15 15:11:05,094 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:05,094 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855678194] [2022-03-15 15:11:05,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:05,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:05,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:05,498 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:05,498 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855678194] [2022-03-15 15:11:05,498 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855678194] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:05,498 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:05,498 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-03-15 15:11:05,498 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688861033] [2022-03-15 15:11:05,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:05,498 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-15 15:11:05,498 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:05,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-15 15:11:05,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2022-03-15 15:11:05,499 INFO L87 Difference]: Start difference. First operand 3174 states and 6172 transitions. Second operand has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:07,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:07,062 INFO L93 Difference]: Finished difference Result 4349 states and 8506 transitions. [2022-03-15 15:11:07,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 15:11:07,062 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:11:07,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:07,067 INFO L225 Difference]: With dead ends: 4349 [2022-03-15 15:11:07,067 INFO L226 Difference]: Without dead ends: 4349 [2022-03-15 15:11:07,067 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 885 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=560, Invalid=3100, Unknown=0, NotChecked=0, Total=3660 [2022-03-15 15:11:07,068 INFO L933 BasicCegarLoop]: 213 mSDtfsCounter, 927 mSDsluCounter, 2666 mSDsCounter, 0 mSdLazyCounter, 2327 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 927 SdHoareTripleChecker+Valid, 2875 SdHoareTripleChecker+Invalid, 2442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 2327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:07,068 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [927 Valid, 2875 Invalid, 2442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 2327 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:11:07,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4349 states. [2022-03-15 15:11:07,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4349 to 3272. [2022-03-15 15:11:07,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3272 states, 3260 states have (on average 1.9533742331288344) internal successors, (6368), 3271 states have internal predecessors, (6368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:07,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3272 states to 3272 states and 6368 transitions. [2022-03-15 15:11:07,100 INFO L78 Accepts]: Start accepts. Automaton has 3272 states and 6368 transitions. Word has length 133 [2022-03-15 15:11:07,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:07,100 INFO L470 AbstractCegarLoop]: Abstraction has 3272 states and 6368 transitions. [2022-03-15 15:11:07,100 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:07,100 INFO L276 IsEmpty]: Start isEmpty. Operand 3272 states and 6368 transitions. [2022-03-15 15:11:07,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:11:07,102 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:07,102 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:07,102 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-03-15 15:11:07,102 INFO L402 AbstractCegarLoop]: === Iteration 76 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:11:07,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:07,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1474995721, now seen corresponding path program 20 times [2022-03-15 15:11:07,103 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:07,103 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121818544] [2022-03-15 15:11:07,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:07,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:07,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:07,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:07,371 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:07,371 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121818544] [2022-03-15 15:11:07,371 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121818544] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:07,371 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:07,371 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:11:07,371 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851860632] [2022-03-15 15:11:07,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:07,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:11:07,371 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:07,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:11:07,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:11:07,372 INFO L87 Difference]: Start difference. First operand 3272 states and 6368 transitions. Second operand has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:08,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:08,904 INFO L93 Difference]: Finished difference Result 4393 states and 8592 transitions. [2022-03-15 15:11:08,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 15:11:08,904 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:11:08,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:08,909 INFO L225 Difference]: With dead ends: 4393 [2022-03-15 15:11:08,909 INFO L226 Difference]: Without dead ends: 4393 [2022-03-15 15:11:08,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 814 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=559, Invalid=2863, Unknown=0, NotChecked=0, Total=3422 [2022-03-15 15:11:08,909 INFO L933 BasicCegarLoop]: 234 mSDtfsCounter, 1055 mSDsluCounter, 2813 mSDsCounter, 0 mSdLazyCounter, 2243 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1055 SdHoareTripleChecker+Valid, 3045 SdHoareTripleChecker+Invalid, 2382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 2243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:08,909 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1055 Valid, 3045 Invalid, 2382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 2243 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:11:08,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4393 states. [2022-03-15 15:11:08,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4393 to 3283. [2022-03-15 15:11:08,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3283 states, 3271 states have (on average 1.9535310302659736) internal successors, (6390), 3282 states have internal predecessors, (6390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:08,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 6390 transitions. [2022-03-15 15:11:08,941 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 6390 transitions. Word has length 133 [2022-03-15 15:11:08,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:08,942 INFO L470 AbstractCegarLoop]: Abstraction has 3283 states and 6390 transitions. [2022-03-15 15:11:08,942 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:08,942 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 6390 transitions. [2022-03-15 15:11:08,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:11:08,943 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:08,943 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:08,943 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2022-03-15 15:11:08,943 INFO L402 AbstractCegarLoop]: === Iteration 77 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:11:08,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:08,944 INFO L85 PathProgramCache]: Analyzing trace with hash 568107235, now seen corresponding path program 21 times [2022-03-15 15:11:08,944 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:08,944 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769963229] [2022-03-15 15:11:08,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:08,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:09,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:09,254 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:09,254 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769963229] [2022-03-15 15:11:09,254 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769963229] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:09,254 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:09,254 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-03-15 15:11:09,254 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401273773] [2022-03-15 15:11:09,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:09,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-15 15:11:09,254 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:09,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-15 15:11:09,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2022-03-15 15:11:09,255 INFO L87 Difference]: Start difference. First operand 3283 states and 6390 transitions. Second operand has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:10,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:10,764 INFO L93 Difference]: Finished difference Result 4443 states and 8690 transitions. [2022-03-15 15:11:10,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-15 15:11:10,764 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:11:10,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:10,768 INFO L225 Difference]: With dead ends: 4443 [2022-03-15 15:11:10,768 INFO L226 Difference]: Without dead ends: 4443 [2022-03-15 15:11:10,769 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1339 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=727, Invalid=4243, Unknown=0, NotChecked=0, Total=4970 [2022-03-15 15:11:10,769 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 1254 mSDsluCounter, 2712 mSDsCounter, 0 mSdLazyCounter, 2414 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1254 SdHoareTripleChecker+Valid, 2937 SdHoareTripleChecker+Invalid, 2615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 2414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:10,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1254 Valid, 2937 Invalid, 2615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 2414 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 15:11:10,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4443 states. [2022-03-15 15:11:10,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4443 to 3294. [2022-03-15 15:11:10,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3294 states, 3282 states have (on average 1.9536867763558805) internal successors, (6412), 3293 states have internal predecessors, (6412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:10,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 3294 states and 6412 transitions. [2022-03-15 15:11:10,798 INFO L78 Accepts]: Start accepts. Automaton has 3294 states and 6412 transitions. Word has length 133 [2022-03-15 15:11:10,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:10,798 INFO L470 AbstractCegarLoop]: Abstraction has 3294 states and 6412 transitions. [2022-03-15 15:11:10,798 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:10,798 INFO L276 IsEmpty]: Start isEmpty. Operand 3294 states and 6412 transitions. [2022-03-15 15:11:10,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:11:10,800 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:10,800 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:10,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2022-03-15 15:11:10,800 INFO L402 AbstractCegarLoop]: === Iteration 78 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:11:10,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:10,800 INFO L85 PathProgramCache]: Analyzing trace with hash -620764079, now seen corresponding path program 22 times [2022-03-15 15:11:10,800 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:10,801 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000889181] [2022-03-15 15:11:10,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:10,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:11,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:11,081 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:11,081 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000889181] [2022-03-15 15:11:11,081 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000889181] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:11,081 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:11,081 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:11:11,081 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914064544] [2022-03-15 15:11:11,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:11,082 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:11:11,082 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:11,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:11:11,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:11:11,082 INFO L87 Difference]: Start difference. First operand 3294 states and 6412 transitions. Second operand has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:13,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:13,117 INFO L93 Difference]: Finished difference Result 4638 states and 9074 transitions. [2022-03-15 15:11:13,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2022-03-15 15:11:13,118 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:11:13,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:13,122 INFO L225 Difference]: With dead ends: 4638 [2022-03-15 15:11:13,122 INFO L226 Difference]: Without dead ends: 4638 [2022-03-15 15:11:13,122 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1610 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=923, Invalid=4929, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 15:11:13,123 INFO L933 BasicCegarLoop]: 308 mSDtfsCounter, 1099 mSDsluCounter, 3337 mSDsCounter, 0 mSdLazyCounter, 2729 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1099 SdHoareTripleChecker+Valid, 3643 SdHoareTripleChecker+Invalid, 2916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 2729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:13,123 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1099 Valid, 3643 Invalid, 2916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 2729 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:11:13,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4638 states. [2022-03-15 15:11:13,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4638 to 3305. [2022-03-15 15:11:13,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3305 states, 3293 states have (on average 1.9538414819313696) internal successors, (6434), 3304 states have internal predecessors, (6434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:13,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3305 states to 3305 states and 6434 transitions. [2022-03-15 15:11:13,154 INFO L78 Accepts]: Start accepts. Automaton has 3305 states and 6434 transitions. Word has length 133 [2022-03-15 15:11:13,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:13,154 INFO L470 AbstractCegarLoop]: Abstraction has 3305 states and 6434 transitions. [2022-03-15 15:11:13,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:13,154 INFO L276 IsEmpty]: Start isEmpty. Operand 3305 states and 6434 transitions. [2022-03-15 15:11:13,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:11:13,156 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:13,156 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:13,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2022-03-15 15:11:13,156 INFO L402 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:11:13,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:13,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1153721608, now seen corresponding path program 15 times [2022-03-15 15:11:13,156 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:13,156 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633576385] [2022-03-15 15:11:13,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:13,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:13,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:13,399 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:13,399 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633576385] [2022-03-15 15:11:13,400 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633576385] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:13,400 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:13,400 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-03-15 15:11:13,400 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89926828] [2022-03-15 15:11:13,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:13,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-03-15 15:11:13,400 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:13,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-03-15 15:11:13,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2022-03-15 15:11:13,400 INFO L87 Difference]: Start difference. First operand 3305 states and 6434 transitions. Second operand has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:15,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:15,138 INFO L93 Difference]: Finished difference Result 5512 states and 10664 transitions. [2022-03-15 15:11:15,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-15 15:11:15,138 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:11:15,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:15,143 INFO L225 Difference]: With dead ends: 5512 [2022-03-15 15:11:15,143 INFO L226 Difference]: Without dead ends: 5512 [2022-03-15 15:11:15,143 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1020 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=490, Invalid=3416, Unknown=0, NotChecked=0, Total=3906 [2022-03-15 15:11:15,144 INFO L933 BasicCegarLoop]: 321 mSDtfsCounter, 1592 mSDsluCounter, 3832 mSDsCounter, 0 mSdLazyCounter, 3982 mSolverCounterSat, 214 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1592 SdHoareTripleChecker+Valid, 4147 SdHoareTripleChecker+Invalid, 4196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 3982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:15,144 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1592 Valid, 4147 Invalid, 4196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 3982 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:11:15,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5512 states. [2022-03-15 15:11:15,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5512 to 3312. [2022-03-15 15:11:15,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3312 states, 3300 states have (on average 1.955151515151515) internal successors, (6452), 3311 states have internal predecessors, (6452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:15,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 6452 transitions. [2022-03-15 15:11:15,176 INFO L78 Accepts]: Start accepts. Automaton has 3312 states and 6452 transitions. Word has length 133 [2022-03-15 15:11:15,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:15,176 INFO L470 AbstractCegarLoop]: Abstraction has 3312 states and 6452 transitions. [2022-03-15 15:11:15,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:15,176 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 6452 transitions. [2022-03-15 15:11:15,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:11:15,178 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:15,178 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:15,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2022-03-15 15:11:15,178 INFO L402 AbstractCegarLoop]: === Iteration 80 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:11:15,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:15,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1796535157, now seen corresponding path program 23 times [2022-03-15 15:11:15,179 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:15,179 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248206516] [2022-03-15 15:11:15,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:15,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:15,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:15,394 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:15,394 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248206516] [2022-03-15 15:11:15,394 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248206516] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:15,394 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:15,394 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-03-15 15:11:15,394 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276940366] [2022-03-15 15:11:15,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:15,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-03-15 15:11:15,394 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:15,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-03-15 15:11:15,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2022-03-15 15:11:15,395 INFO L87 Difference]: Start difference. First operand 3312 states and 6452 transitions. Second operand has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:17,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:17,782 INFO L93 Difference]: Finished difference Result 5071 states and 9858 transitions. [2022-03-15 15:11:17,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2022-03-15 15:11:17,782 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:11:17,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:17,786 INFO L225 Difference]: With dead ends: 5071 [2022-03-15 15:11:17,786 INFO L226 Difference]: Without dead ends: 5071 [2022-03-15 15:11:17,787 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1680 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=736, Invalid=5116, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 15:11:17,787 INFO L933 BasicCegarLoop]: 336 mSDtfsCounter, 1231 mSDsluCounter, 4725 mSDsCounter, 0 mSdLazyCounter, 4697 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1231 SdHoareTripleChecker+Valid, 5057 SdHoareTripleChecker+Invalid, 4802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 4697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:17,787 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1231 Valid, 5057 Invalid, 4802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 4697 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 15:11:17,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5071 states. [2022-03-15 15:11:17,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5071 to 3236. [2022-03-15 15:11:17,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3236 states, 3224 states have (on average 1.9528535980148884) internal successors, (6296), 3235 states have internal predecessors, (6296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:17,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3236 states to 3236 states and 6296 transitions. [2022-03-15 15:11:17,816 INFO L78 Accepts]: Start accepts. Automaton has 3236 states and 6296 transitions. Word has length 133 [2022-03-15 15:11:17,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:17,816 INFO L470 AbstractCegarLoop]: Abstraction has 3236 states and 6296 transitions. [2022-03-15 15:11:17,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:17,816 INFO L276 IsEmpty]: Start isEmpty. Operand 3236 states and 6296 transitions. [2022-03-15 15:11:17,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:11:17,817 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:17,817 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:17,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2022-03-15 15:11:17,817 INFO L402 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:11:17,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:17,818 INFO L85 PathProgramCache]: Analyzing trace with hash 434970184, now seen corresponding path program 16 times [2022-03-15 15:11:17,818 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:17,818 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794681097] [2022-03-15 15:11:17,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:17,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:17,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:17,989 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:17,989 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794681097] [2022-03-15 15:11:17,989 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794681097] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:17,989 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:17,989 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:11:17,989 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459717616] [2022-03-15 15:11:17,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:17,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:11:17,990 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:17,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:11:17,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:11:17,996 INFO L87 Difference]: Start difference. First operand 3236 states and 6296 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:19,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:19,890 INFO L93 Difference]: Finished difference Result 7150 states and 13799 transitions. [2022-03-15 15:11:19,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-15 15:11:19,890 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:11:19,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:19,929 INFO L225 Difference]: With dead ends: 7150 [2022-03-15 15:11:19,929 INFO L226 Difference]: Without dead ends: 7150 [2022-03-15 15:11:19,929 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1076 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=541, Invalid=3491, Unknown=0, NotChecked=0, Total=4032 [2022-03-15 15:11:19,929 INFO L933 BasicCegarLoop]: 400 mSDtfsCounter, 1507 mSDsluCounter, 4400 mSDsCounter, 0 mSdLazyCounter, 3882 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1507 SdHoareTripleChecker+Valid, 4796 SdHoareTripleChecker+Invalid, 4076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 3882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:19,929 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1507 Valid, 4796 Invalid, 4076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 3882 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:11:19,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7150 states. [2022-03-15 15:11:19,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7150 to 3316. [2022-03-15 15:11:19,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3316 states, 3304 states have (on average 1.9552058111380146) internal successors, (6460), 3315 states have internal predecessors, (6460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:19,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3316 states to 3316 states and 6460 transitions. [2022-03-15 15:11:19,966 INFO L78 Accepts]: Start accepts. Automaton has 3316 states and 6460 transitions. Word has length 133 [2022-03-15 15:11:19,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:19,967 INFO L470 AbstractCegarLoop]: Abstraction has 3316 states and 6460 transitions. [2022-03-15 15:11:19,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:19,967 INFO L276 IsEmpty]: Start isEmpty. Operand 3316 states and 6460 transitions. [2022-03-15 15:11:19,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:11:19,968 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:19,968 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:19,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2022-03-15 15:11:19,969 INFO L402 AbstractCegarLoop]: === Iteration 82 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:11:19,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:19,969 INFO L85 PathProgramCache]: Analyzing trace with hash -696496437, now seen corresponding path program 24 times [2022-03-15 15:11:19,969 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:19,969 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617210274] [2022-03-15 15:11:19,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:19,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:19,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:20,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:20,207 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:20,207 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617210274] [2022-03-15 15:11:20,207 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617210274] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:20,207 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:20,207 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-03-15 15:11:20,207 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096244712] [2022-03-15 15:11:20,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:20,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-03-15 15:11:20,208 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:20,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-03-15 15:11:20,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2022-03-15 15:11:20,208 INFO L87 Difference]: Start difference. First operand 3316 states and 6460 transitions. Second operand has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:22,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:22,376 INFO L93 Difference]: Finished difference Result 6277 states and 12187 transitions. [2022-03-15 15:11:22,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-03-15 15:11:22,377 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:11:22,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:22,383 INFO L225 Difference]: With dead ends: 6277 [2022-03-15 15:11:22,383 INFO L226 Difference]: Without dead ends: 6277 [2022-03-15 15:11:22,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2728 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1034, Invalid=7522, Unknown=0, NotChecked=0, Total=8556 [2022-03-15 15:11:22,383 INFO L933 BasicCegarLoop]: 433 mSDtfsCounter, 1238 mSDsluCounter, 5938 mSDsCounter, 0 mSdLazyCounter, 5238 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1238 SdHoareTripleChecker+Valid, 6367 SdHoareTripleChecker+Invalid, 5342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 5238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:22,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1238 Valid, 6367 Invalid, 5342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 5238 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 15:11:22,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6277 states. [2022-03-15 15:11:22,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6277 to 3274. [2022-03-15 15:11:22,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3274 states, 3262 states have (on average 1.95340282035561) internal successors, (6372), 3273 states have internal predecessors, (6372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:22,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3274 states to 3274 states and 6372 transitions. [2022-03-15 15:11:22,421 INFO L78 Accepts]: Start accepts. Automaton has 3274 states and 6372 transitions. Word has length 133 [2022-03-15 15:11:22,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:22,421 INFO L470 AbstractCegarLoop]: Abstraction has 3274 states and 6372 transitions. [2022-03-15 15:11:22,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:22,421 INFO L276 IsEmpty]: Start isEmpty. Operand 3274 states and 6372 transitions. [2022-03-15 15:11:22,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:11:22,422 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:22,422 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:22,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2022-03-15 15:11:22,423 INFO L402 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:11:22,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:22,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1845345800, now seen corresponding path program 17 times [2022-03-15 15:11:22,423 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:22,423 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522155799] [2022-03-15 15:11:22,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:22,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:22,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:22,653 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:22,653 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522155799] [2022-03-15 15:11:22,653 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522155799] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:22,653 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:22,653 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:11:22,653 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103601321] [2022-03-15 15:11:22,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:22,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:11:22,654 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:22,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:11:22,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:11:22,654 INFO L87 Difference]: Start difference. First operand 3274 states and 6372 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:24,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:24,869 INFO L93 Difference]: Finished difference Result 6418 states and 12404 transitions. [2022-03-15 15:11:24,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-15 15:11:24,869 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:11:24,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:24,876 INFO L225 Difference]: With dead ends: 6418 [2022-03-15 15:11:24,876 INFO L226 Difference]: Without dead ends: 6418 [2022-03-15 15:11:24,876 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 994 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=546, Invalid=3360, Unknown=0, NotChecked=0, Total=3906 [2022-03-15 15:11:24,876 INFO L933 BasicCegarLoop]: 420 mSDtfsCounter, 1364 mSDsluCounter, 4895 mSDsCounter, 0 mSdLazyCounter, 4496 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1364 SdHoareTripleChecker+Valid, 5311 SdHoareTripleChecker+Invalid, 4681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 4496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:24,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1364 Valid, 5311 Invalid, 4681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [185 Valid, 4496 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 15:11:24,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6418 states. [2022-03-15 15:11:24,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6418 to 3270. [2022-03-15 15:11:24,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3270 states, 3258 states have (on average 1.9533456108041742) internal successors, (6364), 3269 states have internal predecessors, (6364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:24,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3270 states to 3270 states and 6364 transitions. [2022-03-15 15:11:24,938 INFO L78 Accepts]: Start accepts. Automaton has 3270 states and 6364 transitions. Word has length 133 [2022-03-15 15:11:24,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:24,939 INFO L470 AbstractCegarLoop]: Abstraction has 3270 states and 6364 transitions. [2022-03-15 15:11:24,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:24,939 INFO L276 IsEmpty]: Start isEmpty. Operand 3270 states and 6364 transitions. [2022-03-15 15:11:24,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:11:24,941 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:24,941 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:24,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2022-03-15 15:11:24,942 INFO L402 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:11:24,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:24,942 INFO L85 PathProgramCache]: Analyzing trace with hash -2066901108, now seen corresponding path program 18 times [2022-03-15 15:11:24,942 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:24,942 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032515354] [2022-03-15 15:11:24,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:24,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:25,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:25,174 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:25,174 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032515354] [2022-03-15 15:11:25,174 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032515354] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:25,174 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:25,174 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:11:25,174 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356207300] [2022-03-15 15:11:25,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:25,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:11:25,174 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:25,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:11:25,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:11:25,175 INFO L87 Difference]: Start difference. First operand 3270 states and 6364 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:26,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:26,921 INFO L93 Difference]: Finished difference Result 6382 states and 12332 transitions. [2022-03-15 15:11:26,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-15 15:11:26,922 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:11:26,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:26,927 INFO L225 Difference]: With dead ends: 6382 [2022-03-15 15:11:26,927 INFO L226 Difference]: Without dead ends: 6382 [2022-03-15 15:11:26,927 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1086 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=568, Invalid=3592, Unknown=0, NotChecked=0, Total=4160 [2022-03-15 15:11:26,928 INFO L933 BasicCegarLoop]: 438 mSDtfsCounter, 1616 mSDsluCounter, 4325 mSDsCounter, 0 mSdLazyCounter, 4005 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1616 SdHoareTripleChecker+Valid, 4760 SdHoareTripleChecker+Invalid, 4255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 4005 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:26,928 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1616 Valid, 4760 Invalid, 4255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 4005 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:11:26,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6382 states. [2022-03-15 15:11:26,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6382 to 3244. [2022-03-15 15:11:26,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3244 states, 3232 states have (on average 1.952970297029703) internal successors, (6312), 3243 states have internal predecessors, (6312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:26,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3244 states to 3244 states and 6312 transitions. [2022-03-15 15:11:26,960 INFO L78 Accepts]: Start accepts. Automaton has 3244 states and 6312 transitions. Word has length 133 [2022-03-15 15:11:26,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:26,960 INFO L470 AbstractCegarLoop]: Abstraction has 3244 states and 6312 transitions. [2022-03-15 15:11:26,960 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:26,960 INFO L276 IsEmpty]: Start isEmpty. Operand 3244 states and 6312 transitions. [2022-03-15 15:11:26,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:11:26,962 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:26,962 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:26,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2022-03-15 15:11:26,962 INFO L402 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:11:26,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:26,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1778504952, now seen corresponding path program 19 times [2022-03-15 15:11:26,962 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:26,962 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213047455] [2022-03-15 15:11:26,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:26,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:27,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:27,210 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:27,210 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213047455] [2022-03-15 15:11:27,210 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213047455] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:27,210 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:27,210 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:11:27,211 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76541986] [2022-03-15 15:11:27,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:27,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:11:27,211 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:27,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:11:27,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:11:27,211 INFO L87 Difference]: Start difference. First operand 3244 states and 6312 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:29,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:29,131 INFO L93 Difference]: Finished difference Result 7292 states and 14068 transitions. [2022-03-15 15:11:29,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 15:11:29,131 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:11:29,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:29,138 INFO L225 Difference]: With dead ends: 7292 [2022-03-15 15:11:29,138 INFO L226 Difference]: Without dead ends: 7272 [2022-03-15 15:11:29,138 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1465 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=687, Invalid=4425, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 15:11:29,138 INFO L933 BasicCegarLoop]: 425 mSDtfsCounter, 1508 mSDsluCounter, 4956 mSDsCounter, 0 mSdLazyCounter, 4407 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1508 SdHoareTripleChecker+Valid, 5376 SdHoareTripleChecker+Invalid, 4624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 4407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:29,138 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1508 Valid, 5376 Invalid, 4624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [217 Valid, 4407 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:11:29,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7272 states. [2022-03-15 15:11:29,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7272 to 3340. [2022-03-15 15:11:29,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3340 states, 3328 states have (on average 1.9555288461538463) internal successors, (6508), 3339 states have internal predecessors, (6508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:29,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3340 states to 3340 states and 6508 transitions. [2022-03-15 15:11:29,173 INFO L78 Accepts]: Start accepts. Automaton has 3340 states and 6508 transitions. Word has length 133 [2022-03-15 15:11:29,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:29,173 INFO L470 AbstractCegarLoop]: Abstraction has 3340 states and 6508 transitions. [2022-03-15 15:11:29,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:29,173 INFO L276 IsEmpty]: Start isEmpty. Operand 3340 states and 6508 transitions. [2022-03-15 15:11:29,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:11:29,174 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:29,174 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:29,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2022-03-15 15:11:29,175 INFO L402 AbstractCegarLoop]: === Iteration 86 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:11:29,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:29,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1384995723, now seen corresponding path program 25 times [2022-03-15 15:11:29,175 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:29,175 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041752708] [2022-03-15 15:11:29,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:29,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:29,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:29,351 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:29,351 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041752708] [2022-03-15 15:11:29,351 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041752708] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:29,351 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:29,351 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-03-15 15:11:29,351 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060467554] [2022-03-15 15:11:29,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:29,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-03-15 15:11:29,351 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:29,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-03-15 15:11:29,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2022-03-15 15:11:29,352 INFO L87 Difference]: Start difference. First operand 3340 states and 6508 transitions. Second operand has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:31,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:31,650 INFO L93 Difference]: Finished difference Result 6379 states and 12385 transitions. [2022-03-15 15:11:31,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-03-15 15:11:31,650 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:11:31,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:31,657 INFO L225 Difference]: With dead ends: 6379 [2022-03-15 15:11:31,657 INFO L226 Difference]: Without dead ends: 6379 [2022-03-15 15:11:31,658 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3225 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1128, Invalid=8574, Unknown=0, NotChecked=0, Total=9702 [2022-03-15 15:11:31,658 INFO L933 BasicCegarLoop]: 445 mSDtfsCounter, 1444 mSDsluCounter, 5788 mSDsCounter, 0 mSdLazyCounter, 5422 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1444 SdHoareTripleChecker+Valid, 6229 SdHoareTripleChecker+Invalid, 5526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 5422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:31,658 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1444 Valid, 6229 Invalid, 5526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 5422 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 15:11:31,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6379 states. [2022-03-15 15:11:31,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6379 to 3310. [2022-03-15 15:11:31,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3310 states, 3298 states have (on average 1.9539114614918132) internal successors, (6444), 3309 states have internal predecessors, (6444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:31,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3310 states to 3310 states and 6444 transitions. [2022-03-15 15:11:31,698 INFO L78 Accepts]: Start accepts. Automaton has 3310 states and 6444 transitions. Word has length 133 [2022-03-15 15:11:31,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:31,698 INFO L470 AbstractCegarLoop]: Abstraction has 3310 states and 6444 transitions. [2022-03-15 15:11:31,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:31,699 INFO L276 IsEmpty]: Start isEmpty. Operand 3310 states and 6444 transitions. [2022-03-15 15:11:31,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:11:31,700 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:31,700 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:31,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2022-03-15 15:11:31,700 INFO L402 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:11:31,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:31,700 INFO L85 PathProgramCache]: Analyzing trace with hash -368129336, now seen corresponding path program 20 times [2022-03-15 15:11:31,700 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:31,700 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933954526] [2022-03-15 15:11:31,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:31,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:31,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:31,868 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:31,868 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933954526] [2022-03-15 15:11:31,868 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933954526] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:31,868 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:31,868 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:11:31,868 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783015094] [2022-03-15 15:11:31,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:31,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:11:31,868 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:31,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:11:31,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:11:31,869 INFO L87 Difference]: Start difference. First operand 3310 states and 6444 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:34,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:34,050 INFO L93 Difference]: Finished difference Result 7978 states and 15379 transitions. [2022-03-15 15:11:34,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-15 15:11:34,051 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:11:34,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:34,060 INFO L225 Difference]: With dead ends: 7978 [2022-03-15 15:11:34,060 INFO L226 Difference]: Without dead ends: 7978 [2022-03-15 15:11:34,060 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1552 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=750, Invalid=4652, Unknown=0, NotChecked=0, Total=5402 [2022-03-15 15:11:34,061 INFO L933 BasicCegarLoop]: 471 mSDtfsCounter, 1456 mSDsluCounter, 5621 mSDsCounter, 0 mSdLazyCounter, 5183 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1456 SdHoareTripleChecker+Valid, 6088 SdHoareTripleChecker+Invalid, 5420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 5183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:34,061 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1456 Valid, 6088 Invalid, 5420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [237 Valid, 5183 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 15:11:34,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7978 states. [2022-03-15 15:11:34,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7978 to 3312. [2022-03-15 15:11:34,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3312 states, 3300 states have (on average 1.9539393939393939) internal successors, (6448), 3311 states have internal predecessors, (6448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:34,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 3312 states and 6448 transitions. [2022-03-15 15:11:34,107 INFO L78 Accepts]: Start accepts. Automaton has 3312 states and 6448 transitions. Word has length 133 [2022-03-15 15:11:34,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:34,108 INFO L470 AbstractCegarLoop]: Abstraction has 3312 states and 6448 transitions. [2022-03-15 15:11:34,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:34,108 INFO L276 IsEmpty]: Start isEmpty. Operand 3312 states and 6448 transitions. [2022-03-15 15:11:34,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:11:34,109 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:34,109 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:34,109 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2022-03-15 15:11:34,109 INFO L402 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:11:34,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:34,110 INFO L85 PathProgramCache]: Analyzing trace with hash 14591052, now seen corresponding path program 21 times [2022-03-15 15:11:34,110 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:34,110 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633999713] [2022-03-15 15:11:34,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:34,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:34,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:34,325 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:34,325 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633999713] [2022-03-15 15:11:34,325 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633999713] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:34,325 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:34,326 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:11:34,326 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71299250] [2022-03-15 15:11:34,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:34,326 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:11:34,326 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:34,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:11:34,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:11:34,326 INFO L87 Difference]: Start difference. First operand 3312 states and 6448 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:36,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:36,373 INFO L93 Difference]: Finished difference Result 8117 states and 15657 transitions. [2022-03-15 15:11:36,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-15 15:11:36,374 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:11:36,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:36,383 INFO L225 Difference]: With dead ends: 8117 [2022-03-15 15:11:36,383 INFO L226 Difference]: Without dead ends: 8117 [2022-03-15 15:11:36,384 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1666 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=779, Invalid=4921, Unknown=0, NotChecked=0, Total=5700 [2022-03-15 15:11:36,384 INFO L933 BasicCegarLoop]: 487 mSDtfsCounter, 1650 mSDsluCounter, 5428 mSDsCounter, 0 mSdLazyCounter, 5137 mSolverCounterSat, 263 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1650 SdHoareTripleChecker+Valid, 5911 SdHoareTripleChecker+Invalid, 5400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 263 IncrementalHoareTripleChecker+Valid, 5137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:36,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1650 Valid, 5911 Invalid, 5400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [263 Valid, 5137 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:11:36,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8117 states. [2022-03-15 15:11:36,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8117 to 3302. [2022-03-15 15:11:36,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3302 states, 3290 states have (on average 1.9537993920972645) internal successors, (6428), 3301 states have internal predecessors, (6428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:36,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3302 states to 3302 states and 6428 transitions. [2022-03-15 15:11:36,430 INFO L78 Accepts]: Start accepts. Automaton has 3302 states and 6428 transitions. Word has length 133 [2022-03-15 15:11:36,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:36,430 INFO L470 AbstractCegarLoop]: Abstraction has 3302 states and 6428 transitions. [2022-03-15 15:11:36,430 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:36,430 INFO L276 IsEmpty]: Start isEmpty. Operand 3302 states and 6428 transitions. [2022-03-15 15:11:36,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:11:36,432 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:36,432 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:36,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2022-03-15 15:11:36,432 INFO L402 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:11:36,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:36,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1831165896, now seen corresponding path program 22 times [2022-03-15 15:11:36,432 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:36,432 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992756088] [2022-03-15 15:11:36,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:36,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:36,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:36,660 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:36,660 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992756088] [2022-03-15 15:11:36,661 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992756088] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:36,661 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:36,661 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:11:36,661 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842493858] [2022-03-15 15:11:36,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:36,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:11:36,661 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:36,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:11:36,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:11:36,662 INFO L87 Difference]: Start difference. First operand 3302 states and 6428 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:38,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:38,858 INFO L93 Difference]: Finished difference Result 6812 states and 13181 transitions. [2022-03-15 15:11:38,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-15 15:11:38,863 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:11:38,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:38,871 INFO L225 Difference]: With dead ends: 6812 [2022-03-15 15:11:38,871 INFO L226 Difference]: Without dead ends: 6792 [2022-03-15 15:11:38,871 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1734 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=860, Invalid=5146, Unknown=0, NotChecked=0, Total=6006 [2022-03-15 15:11:38,872 INFO L933 BasicCegarLoop]: 449 mSDtfsCounter, 1544 mSDsluCounter, 4941 mSDsCounter, 0 mSdLazyCounter, 4668 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1544 SdHoareTripleChecker+Valid, 5387 SdHoareTripleChecker+Invalid, 4938 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 4668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:38,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1544 Valid, 5387 Invalid, 4938 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [270 Valid, 4668 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 15:11:38,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6792 states. [2022-03-15 15:11:38,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6792 to 3250. [2022-03-15 15:11:38,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3250 states, 3238 states have (on average 1.9530574428659666) internal successors, (6324), 3249 states have internal predecessors, (6324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:38,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3250 states to 3250 states and 6324 transitions. [2022-03-15 15:11:38,908 INFO L78 Accepts]: Start accepts. Automaton has 3250 states and 6324 transitions. Word has length 133 [2022-03-15 15:11:38,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:38,908 INFO L470 AbstractCegarLoop]: Abstraction has 3250 states and 6324 transitions. [2022-03-15 15:11:38,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:38,908 INFO L276 IsEmpty]: Start isEmpty. Operand 3250 states and 6324 transitions. [2022-03-15 15:11:38,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:11:38,909 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:38,910 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:38,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2022-03-15 15:11:38,910 INFO L402 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:11:38,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:38,910 INFO L85 PathProgramCache]: Analyzing trace with hash -417624534, now seen corresponding path program 23 times [2022-03-15 15:11:38,910 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:38,910 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3733051] [2022-03-15 15:11:38,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:38,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:38,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:39,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:39,193 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:39,193 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3733051] [2022-03-15 15:11:39,193 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3733051] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:39,193 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:39,193 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:11:39,193 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531401232] [2022-03-15 15:11:39,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:39,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:11:39,193 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:39,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:11:39,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:11:39,194 INFO L87 Difference]: Start difference. First operand 3250 states and 6324 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:41,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:41,787 INFO L93 Difference]: Finished difference Result 6476 states and 12514 transitions. [2022-03-15 15:11:41,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-15 15:11:41,788 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:11:41,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:41,795 INFO L225 Difference]: With dead ends: 6476 [2022-03-15 15:11:41,795 INFO L226 Difference]: Without dead ends: 6476 [2022-03-15 15:11:41,795 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1679 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=825, Invalid=5027, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 15:11:41,796 INFO L933 BasicCegarLoop]: 452 mSDtfsCounter, 1605 mSDsluCounter, 4518 mSDsCounter, 0 mSdLazyCounter, 4387 mSolverCounterSat, 303 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1605 SdHoareTripleChecker+Valid, 4967 SdHoareTripleChecker+Invalid, 4690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 303 IncrementalHoareTripleChecker+Valid, 4387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:41,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1605 Valid, 4967 Invalid, 4690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [303 Valid, 4387 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 15:11:41,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6476 states. [2022-03-15 15:11:41,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6476 to 3180. [2022-03-15 15:11:41,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3180 states, 3168 states have (on average 1.952020202020202) internal successors, (6184), 3179 states have internal predecessors, (6184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:41,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3180 states to 3180 states and 6184 transitions. [2022-03-15 15:11:41,856 INFO L78 Accepts]: Start accepts. Automaton has 3180 states and 6184 transitions. Word has length 133 [2022-03-15 15:11:41,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:41,856 INFO L470 AbstractCegarLoop]: Abstraction has 3180 states and 6184 transitions. [2022-03-15 15:11:41,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:41,856 INFO L276 IsEmpty]: Start isEmpty. Operand 3180 states and 6184 transitions. [2022-03-15 15:11:41,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:11:41,857 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:41,857 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:41,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2022-03-15 15:11:41,858 INFO L402 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:11:41,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:41,858 INFO L85 PathProgramCache]: Analyzing trace with hash -277087572, now seen corresponding path program 24 times [2022-03-15 15:11:41,858 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:41,858 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901751774] [2022-03-15 15:11:41,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:41,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:41,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:42,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:42,133 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:42,134 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901751774] [2022-03-15 15:11:42,134 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901751774] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:42,134 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:42,134 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:11:42,134 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256287882] [2022-03-15 15:11:42,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:42,134 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:11:42,134 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:42,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:11:42,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:11:42,135 INFO L87 Difference]: Start difference. First operand 3180 states and 6184 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:44,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:44,015 INFO L93 Difference]: Finished difference Result 5360 states and 10354 transitions. [2022-03-15 15:11:44,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-15 15:11:44,015 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:11:44,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:44,021 INFO L225 Difference]: With dead ends: 5360 [2022-03-15 15:11:44,021 INFO L226 Difference]: Without dead ends: 5340 [2022-03-15 15:11:44,022 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1355 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=689, Invalid=4141, Unknown=0, NotChecked=0, Total=4830 [2022-03-15 15:11:44,022 INFO L933 BasicCegarLoop]: 296 mSDtfsCounter, 1648 mSDsluCounter, 3421 mSDsCounter, 0 mSdLazyCounter, 3251 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1648 SdHoareTripleChecker+Valid, 3713 SdHoareTripleChecker+Invalid, 3508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 3251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:44,022 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1648 Valid, 3713 Invalid, 3508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [257 Valid, 3251 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:11:44,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5340 states. [2022-03-15 15:11:44,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5340 to 3280. [2022-03-15 15:11:44,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3280 states, 3268 states have (on average 1.9547123623011016) internal successors, (6388), 3279 states have internal predecessors, (6388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:44,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3280 states to 3280 states and 6388 transitions. [2022-03-15 15:11:44,060 INFO L78 Accepts]: Start accepts. Automaton has 3280 states and 6388 transitions. Word has length 133 [2022-03-15 15:11:44,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:44,060 INFO L470 AbstractCegarLoop]: Abstraction has 3280 states and 6388 transitions. [2022-03-15 15:11:44,060 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:44,060 INFO L276 IsEmpty]: Start isEmpty. Operand 3280 states and 6388 transitions. [2022-03-15 15:11:44,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:11:44,061 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:44,061 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:44,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2022-03-15 15:11:44,061 INFO L402 AbstractCegarLoop]: === Iteration 92 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:11:44,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:44,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1408554193, now seen corresponding path program 26 times [2022-03-15 15:11:44,062 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:44,062 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800089321] [2022-03-15 15:11:44,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:44,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:44,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:44,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:44,235 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:44,235 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800089321] [2022-03-15 15:11:44,235 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800089321] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:44,235 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:44,235 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:11:44,236 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863172390] [2022-03-15 15:11:44,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:44,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:11:44,236 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:44,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:11:44,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:11:44,237 INFO L87 Difference]: Start difference. First operand 3280 states and 6388 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:45,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:45,331 INFO L93 Difference]: Finished difference Result 4778 states and 9280 transitions. [2022-03-15 15:11:45,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 15:11:45,331 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:11:45,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:45,335 INFO L225 Difference]: With dead ends: 4778 [2022-03-15 15:11:45,335 INFO L226 Difference]: Without dead ends: 4778 [2022-03-15 15:11:45,336 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1339 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=688, Invalid=3868, Unknown=0, NotChecked=0, Total=4556 [2022-03-15 15:11:45,336 INFO L933 BasicCegarLoop]: 302 mSDtfsCounter, 1448 mSDsluCounter, 3069 mSDsCounter, 0 mSdLazyCounter, 2316 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1448 SdHoareTripleChecker+Valid, 3369 SdHoareTripleChecker+Invalid, 2442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 2316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:45,336 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1448 Valid, 3369 Invalid, 2442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 2316 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 15:11:45,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4778 states. [2022-03-15 15:11:45,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4778 to 3253. [2022-03-15 15:11:45,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3253 states, 3241 states have (on average 1.95310089478556) internal successors, (6330), 3252 states have internal predecessors, (6330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:45,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3253 states to 3253 states and 6330 transitions. [2022-03-15 15:11:45,365 INFO L78 Accepts]: Start accepts. Automaton has 3253 states and 6330 transitions. Word has length 133 [2022-03-15 15:11:45,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:45,365 INFO L470 AbstractCegarLoop]: Abstraction has 3253 states and 6330 transitions. [2022-03-15 15:11:45,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:45,365 INFO L276 IsEmpty]: Start isEmpty. Operand 3253 states and 6330 transitions. [2022-03-15 15:11:45,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:11:45,366 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:45,367 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:45,367 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2022-03-15 15:11:45,367 INFO L402 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:11:45,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:45,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1133288044, now seen corresponding path program 25 times [2022-03-15 15:11:45,367 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:45,367 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033384259] [2022-03-15 15:11:45,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:45,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:45,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:45,612 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:45,612 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033384259] [2022-03-15 15:11:45,612 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033384259] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:45,612 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:45,612 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:11:45,613 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079344440] [2022-03-15 15:11:45,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:45,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:11:45,613 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:45,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:11:45,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:11:45,613 INFO L87 Difference]: Start difference. First operand 3253 states and 6330 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:47,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:47,814 INFO L93 Difference]: Finished difference Result 6046 states and 11665 transitions. [2022-03-15 15:11:47,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-15 15:11:47,814 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:11:47,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:47,820 INFO L225 Difference]: With dead ends: 6046 [2022-03-15 15:11:47,821 INFO L226 Difference]: Without dead ends: 6046 [2022-03-15 15:11:47,821 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1441 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=750, Invalid=4362, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 15:11:47,821 INFO L933 BasicCegarLoop]: 337 mSDtfsCounter, 1588 mSDsluCounter, 3806 mSDsCounter, 0 mSdLazyCounter, 3866 mSolverCounterSat, 230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1588 SdHoareTripleChecker+Valid, 4139 SdHoareTripleChecker+Invalid, 4096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 230 IncrementalHoareTripleChecker+Valid, 3866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:47,822 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1588 Valid, 4139 Invalid, 4096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [230 Valid, 3866 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:11:47,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6046 states. [2022-03-15 15:11:47,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6046 to 3255. [2022-03-15 15:11:47,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3255 states, 3243 states have (on average 1.9531298180696886) internal successors, (6334), 3254 states have internal predecessors, (6334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:47,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3255 states to 3255 states and 6334 transitions. [2022-03-15 15:11:47,860 INFO L78 Accepts]: Start accepts. Automaton has 3255 states and 6334 transitions. Word has length 133 [2022-03-15 15:11:47,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:47,860 INFO L470 AbstractCegarLoop]: Abstraction has 3255 states and 6334 transitions. [2022-03-15 15:11:47,860 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:47,860 INFO L276 IsEmpty]: Start isEmpty. Operand 3255 states and 6334 transitions. [2022-03-15 15:11:47,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:11:47,861 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:47,861 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:47,861 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2022-03-15 15:11:47,861 INFO L402 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:11:47,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:47,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1516008432, now seen corresponding path program 26 times [2022-03-15 15:11:47,862 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:47,862 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025766261] [2022-03-15 15:11:47,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:47,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:48,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:48,122 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:48,122 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025766261] [2022-03-15 15:11:48,122 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025766261] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:48,122 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:48,123 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:11:48,123 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3010904] [2022-03-15 15:11:48,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:48,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:11:48,123 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:48,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:11:48,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:11:48,123 INFO L87 Difference]: Start difference. First operand 3255 states and 6334 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:50,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:50,678 INFO L93 Difference]: Finished difference Result 6185 states and 11943 transitions. [2022-03-15 15:11:50,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-15 15:11:50,679 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:11:50,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:50,686 INFO L225 Difference]: With dead ends: 6185 [2022-03-15 15:11:50,686 INFO L226 Difference]: Without dead ends: 6185 [2022-03-15 15:11:50,687 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1552 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=777, Invalid=4625, Unknown=0, NotChecked=0, Total=5402 [2022-03-15 15:11:50,687 INFO L933 BasicCegarLoop]: 353 mSDtfsCounter, 1413 mSDsluCounter, 4115 mSDsCounter, 0 mSdLazyCounter, 4238 mSolverCounterSat, 243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1413 SdHoareTripleChecker+Valid, 4463 SdHoareTripleChecker+Invalid, 4481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 4238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:50,687 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1413 Valid, 4463 Invalid, 4481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 4238 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 15:11:50,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6185 states. [2022-03-15 15:11:50,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6185 to 3245. [2022-03-15 15:11:50,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3245 states, 3233 states have (on average 1.9529848437983297) internal successors, (6314), 3244 states have internal predecessors, (6314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:50,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3245 states to 3245 states and 6314 transitions. [2022-03-15 15:11:50,725 INFO L78 Accepts]: Start accepts. Automaton has 3245 states and 6314 transitions. Word has length 133 [2022-03-15 15:11:50,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:50,725 INFO L470 AbstractCegarLoop]: Abstraction has 3245 states and 6314 transitions. [2022-03-15 15:11:50,725 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:50,725 INFO L276 IsEmpty]: Start isEmpty. Operand 3245 states and 6314 transitions. [2022-03-15 15:11:50,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:11:50,726 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:50,726 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:50,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2022-03-15 15:11:50,726 INFO L402 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:11:50,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:50,727 INFO L85 PathProgramCache]: Analyzing trace with hash -962384020, now seen corresponding path program 27 times [2022-03-15 15:11:50,727 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:50,727 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868703317] [2022-03-15 15:11:50,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:50,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:50,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:50,981 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:50,981 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868703317] [2022-03-15 15:11:50,981 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868703317] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:50,981 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:50,981 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:11:50,981 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999918306] [2022-03-15 15:11:50,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:50,981 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:11:50,981 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:50,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:11:50,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:11:50,982 INFO L87 Difference]: Start difference. First operand 3245 states and 6314 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:53,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:53,298 INFO L93 Difference]: Finished difference Result 6124 states and 11815 transitions. [2022-03-15 15:11:53,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-15 15:11:53,299 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:11:53,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:53,305 INFO L225 Difference]: With dead ends: 6124 [2022-03-15 15:11:53,305 INFO L226 Difference]: Without dead ends: 6124 [2022-03-15 15:11:53,306 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1727 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=909, Invalid=5097, Unknown=0, NotChecked=0, Total=6006 [2022-03-15 15:11:53,306 INFO L933 BasicCegarLoop]: 344 mSDtfsCounter, 1571 mSDsluCounter, 3448 mSDsCounter, 0 mSdLazyCounter, 3442 mSolverCounterSat, 312 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1571 SdHoareTripleChecker+Valid, 3789 SdHoareTripleChecker+Invalid, 3754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 312 IncrementalHoareTripleChecker+Valid, 3442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:53,306 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1571 Valid, 3789 Invalid, 3754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [312 Valid, 3442 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:11:53,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6124 states. [2022-03-15 15:11:53,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6124 to 3251. [2022-03-15 15:11:53,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3251 states, 3239 states have (on average 1.953071935782649) internal successors, (6326), 3250 states have internal predecessors, (6326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:53,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3251 states to 3251 states and 6326 transitions. [2022-03-15 15:11:53,339 INFO L78 Accepts]: Start accepts. Automaton has 3251 states and 6326 transitions. Word has length 133 [2022-03-15 15:11:53,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:53,339 INFO L470 AbstractCegarLoop]: Abstraction has 3251 states and 6326 transitions. [2022-03-15 15:11:53,339 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:53,339 INFO L276 IsEmpty]: Start isEmpty. Operand 3251 states and 6326 transitions. [2022-03-15 15:11:53,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:11:53,340 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:53,340 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:53,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2022-03-15 15:11:53,340 INFO L402 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:11:53,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:53,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1083792846, now seen corresponding path program 28 times [2022-03-15 15:11:53,341 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:53,341 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049233794] [2022-03-15 15:11:53,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:53,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:53,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:53,579 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:53,579 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049233794] [2022-03-15 15:11:53,579 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049233794] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:53,579 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:53,579 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:11:53,579 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978964285] [2022-03-15 15:11:53,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:53,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:11:53,579 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:53,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:11:53,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:11:53,580 INFO L87 Difference]: Start difference. First operand 3251 states and 6326 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:55,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:55,887 INFO L93 Difference]: Finished difference Result 6227 states and 12025 transitions. [2022-03-15 15:11:55,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-03-15 15:11:55,887 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:11:55,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:55,894 INFO L225 Difference]: With dead ends: 6227 [2022-03-15 15:11:55,894 INFO L226 Difference]: Without dead ends: 6227 [2022-03-15 15:11:55,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1672 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=874, Invalid=4978, Unknown=0, NotChecked=0, Total=5852 [2022-03-15 15:11:55,895 INFO L933 BasicCegarLoop]: 358 mSDtfsCounter, 1326 mSDsluCounter, 4100 mSDsCounter, 0 mSdLazyCounter, 4201 mSolverCounterSat, 259 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1326 SdHoareTripleChecker+Valid, 4455 SdHoareTripleChecker+Invalid, 4460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 259 IncrementalHoareTripleChecker+Valid, 4201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:55,895 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1326 Valid, 4455 Invalid, 4460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [259 Valid, 4201 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 15:11:55,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6227 states. [2022-03-15 15:11:55,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6227 to 3229. [2022-03-15 15:11:55,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3229 states, 3217 states have (on average 1.9527510102580043) internal successors, (6282), 3228 states have internal predecessors, (6282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:55,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3229 states to 3229 states and 6282 transitions. [2022-03-15 15:11:55,931 INFO L78 Accepts]: Start accepts. Automaton has 3229 states and 6282 transitions. Word has length 133 [2022-03-15 15:11:55,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:55,931 INFO L470 AbstractCegarLoop]: Abstraction has 3229 states and 6282 transitions. [2022-03-15 15:11:55,931 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:55,931 INFO L276 IsEmpty]: Start isEmpty. Operand 3229 states and 6282 transitions. [2022-03-15 15:11:55,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:11:55,932 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:55,933 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:55,933 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2022-03-15 15:11:55,933 INFO L402 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:11:55,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:55,933 INFO L85 PathProgramCache]: Analyzing trace with hash 1235308072, now seen corresponding path program 29 times [2022-03-15 15:11:55,933 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:55,933 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787776489] [2022-03-15 15:11:55,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:55,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:56,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:56,114 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:56,115 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787776489] [2022-03-15 15:11:56,115 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787776489] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:56,115 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:56,115 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:11:56,115 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529857970] [2022-03-15 15:11:56,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:56,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:11:56,115 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:56,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:11:56,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:11:56,116 INFO L87 Difference]: Start difference. First operand 3229 states and 6282 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:57,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:11:57,975 INFO L93 Difference]: Finished difference Result 4337 states and 8382 transitions. [2022-03-15 15:11:57,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-15 15:11:57,976 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:11:57,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:11:57,980 INFO L225 Difference]: With dead ends: 4337 [2022-03-15 15:11:57,980 INFO L226 Difference]: Without dead ends: 4337 [2022-03-15 15:11:57,981 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1522 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=813, Invalid=4589, Unknown=0, NotChecked=0, Total=5402 [2022-03-15 15:11:57,981 INFO L933 BasicCegarLoop]: 288 mSDtfsCounter, 1111 mSDsluCounter, 3342 mSDsCounter, 0 mSdLazyCounter, 2649 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1111 SdHoareTripleChecker+Valid, 3626 SdHoareTripleChecker+Invalid, 2861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 2649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:11:57,981 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1111 Valid, 3626 Invalid, 2861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 2649 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:11:57,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4337 states. [2022-03-15 15:11:58,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4337 to 3218. [2022-03-15 15:11:58,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3218 states, 3206 states have (on average 1.9525888958203368) internal successors, (6260), 3217 states have internal predecessors, (6260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:58,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3218 states to 3218 states and 6260 transitions. [2022-03-15 15:11:58,010 INFO L78 Accepts]: Start accepts. Automaton has 3218 states and 6260 transitions. Word has length 133 [2022-03-15 15:11:58,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:11:58,010 INFO L470 AbstractCegarLoop]: Abstraction has 3218 states and 6260 transitions. [2022-03-15 15:11:58,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:11:58,010 INFO L276 IsEmpty]: Start isEmpty. Operand 3218 states and 6260 transitions. [2022-03-15 15:11:58,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:11:58,011 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:11:58,011 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:11:58,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2022-03-15 15:11:58,011 INFO L402 AbstractCegarLoop]: === Iteration 98 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:11:58,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:11:58,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1013482358, now seen corresponding path program 30 times [2022-03-15 15:11:58,012 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:11:58,012 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850504028] [2022-03-15 15:11:58,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:11:58,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:11:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:11:58,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:11:58,235 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:11:58,235 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850504028] [2022-03-15 15:11:58,235 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850504028] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:11:58,235 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:11:58,235 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:11:58,235 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753548837] [2022-03-15 15:11:58,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:11:58,236 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:11:58,236 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:11:58,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:11:58,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:11:58,236 INFO L87 Difference]: Start difference. First operand 3218 states and 6260 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:00,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:00,160 INFO L93 Difference]: Finished difference Result 4428 states and 8568 transitions. [2022-03-15 15:12:00,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 15:12:00,160 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:12:00,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:00,165 INFO L225 Difference]: With dead ends: 4428 [2022-03-15 15:12:00,165 INFO L226 Difference]: Without dead ends: 4428 [2022-03-15 15:12:00,166 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1466 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=780, Invalid=4476, Unknown=0, NotChecked=0, Total=5256 [2022-03-15 15:12:00,166 INFO L933 BasicCegarLoop]: 302 mSDtfsCounter, 1057 mSDsluCounter, 3262 mSDsCounter, 0 mSdLazyCounter, 2710 mSolverCounterSat, 236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1057 SdHoareTripleChecker+Valid, 3560 SdHoareTripleChecker+Invalid, 2946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 236 IncrementalHoareTripleChecker+Valid, 2710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:00,166 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1057 Valid, 3560 Invalid, 2946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [236 Valid, 2710 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:12:00,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4428 states. [2022-03-15 15:12:00,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4428 to 3188. [2022-03-15 15:12:00,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3188 states, 3176 states have (on average 1.9521410579345089) internal successors, (6200), 3187 states have internal predecessors, (6200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:00,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3188 states to 3188 states and 6200 transitions. [2022-03-15 15:12:00,195 INFO L78 Accepts]: Start accepts. Automaton has 3188 states and 6200 transitions. Word has length 133 [2022-03-15 15:12:00,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:00,195 INFO L470 AbstractCegarLoop]: Abstraction has 3188 states and 6200 transitions. [2022-03-15 15:12:00,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:00,195 INFO L276 IsEmpty]: Start isEmpty. Operand 3188 states and 6200 transitions. [2022-03-15 15:12:00,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:12:00,197 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:00,197 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:00,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2022-03-15 15:12:00,197 INFO L402 AbstractCegarLoop]: === Iteration 99 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:12:00,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:00,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1071471195, now seen corresponding path program 27 times [2022-03-15 15:12:00,197 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:00,197 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901831199] [2022-03-15 15:12:00,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:00,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:00,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:00,519 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:00,519 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901831199] [2022-03-15 15:12:00,519 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901831199] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:00,519 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:00,519 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-03-15 15:12:00,519 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424171347] [2022-03-15 15:12:00,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:00,520 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-15 15:12:00,520 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:00,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-15 15:12:00,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2022-03-15 15:12:00,520 INFO L87 Difference]: Start difference. First operand 3188 states and 6200 transitions. Second operand has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:01,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:01,840 INFO L93 Difference]: Finished difference Result 4883 states and 9516 transitions. [2022-03-15 15:12:01,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-15 15:12:01,840 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:12:01,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:01,845 INFO L225 Difference]: With dead ends: 4883 [2022-03-15 15:12:01,845 INFO L226 Difference]: Without dead ends: 4883 [2022-03-15 15:12:01,846 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=420, Invalid=2030, Unknown=0, NotChecked=0, Total=2450 [2022-03-15 15:12:01,846 INFO L933 BasicCegarLoop]: 233 mSDtfsCounter, 952 mSDsluCounter, 3296 mSDsCounter, 0 mSdLazyCounter, 3104 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 952 SdHoareTripleChecker+Valid, 3524 SdHoareTripleChecker+Invalid, 3190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 3104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:01,846 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [952 Valid, 3524 Invalid, 3190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 3104 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:12:01,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4883 states. [2022-03-15 15:12:01,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4883 to 3196. [2022-03-15 15:12:01,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3196 states, 3184 states have (on average 1.9522613065326633) internal successors, (6216), 3195 states have internal predecessors, (6216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:01,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3196 states to 3196 states and 6216 transitions. [2022-03-15 15:12:01,882 INFO L78 Accepts]: Start accepts. Automaton has 3196 states and 6216 transitions. Word has length 133 [2022-03-15 15:12:01,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:01,882 INFO L470 AbstractCegarLoop]: Abstraction has 3196 states and 6216 transitions. [2022-03-15 15:12:01,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:01,883 INFO L276 IsEmpty]: Start isEmpty. Operand 3196 states and 6216 transitions. [2022-03-15 15:12:01,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:12:01,884 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:01,884 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:01,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2022-03-15 15:12:01,884 INFO L402 AbstractCegarLoop]: === Iteration 100 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:12:01,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:01,884 INFO L85 PathProgramCache]: Analyzing trace with hash 612842857, now seen corresponding path program 28 times [2022-03-15 15:12:01,884 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:01,884 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610077443] [2022-03-15 15:12:01,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:01,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:02,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:02,127 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:02,127 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610077443] [2022-03-15 15:12:02,127 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610077443] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:02,127 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:02,128 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:12:02,128 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275623342] [2022-03-15 15:12:02,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:02,128 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:12:02,128 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:02,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:12:02,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:12:02,128 INFO L87 Difference]: Start difference. First operand 3196 states and 6216 transitions. Second operand has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:03,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:03,235 INFO L93 Difference]: Finished difference Result 4927 states and 9602 transitions. [2022-03-15 15:12:03,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-15 15:12:03,235 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:12:03,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:03,240 INFO L225 Difference]: With dead ends: 4927 [2022-03-15 15:12:03,240 INFO L226 Difference]: Without dead ends: 4927 [2022-03-15 15:12:03,240 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=428, Invalid=1828, Unknown=0, NotChecked=0, Total=2256 [2022-03-15 15:12:03,241 INFO L933 BasicCegarLoop]: 254 mSDtfsCounter, 903 mSDsluCounter, 2770 mSDsCounter, 0 mSdLazyCounter, 2344 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 903 SdHoareTripleChecker+Valid, 3021 SdHoareTripleChecker+Invalid, 2458 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 2344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:03,241 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [903 Valid, 3021 Invalid, 2458 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 2344 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 15:12:03,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4927 states. [2022-03-15 15:12:03,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4927 to 3207. [2022-03-15 15:12:03,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3207 states, 3195 states have (on average 1.9524256651017213) internal successors, (6238), 3206 states have internal predecessors, (6238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:03,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3207 states to 3207 states and 6238 transitions. [2022-03-15 15:12:03,274 INFO L78 Accepts]: Start accepts. Automaton has 3207 states and 6238 transitions. Word has length 133 [2022-03-15 15:12:03,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:03,274 INFO L470 AbstractCegarLoop]: Abstraction has 3207 states and 6238 transitions. [2022-03-15 15:12:03,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:03,274 INFO L276 IsEmpty]: Start isEmpty. Operand 3207 states and 6238 transitions. [2022-03-15 15:12:03,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:12:03,275 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:03,276 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:03,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2022-03-15 15:12:03,276 INFO L402 AbstractCegarLoop]: === Iteration 101 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:12:03,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:03,276 INFO L85 PathProgramCache]: Analyzing trace with hash -294045629, now seen corresponding path program 29 times [2022-03-15 15:12:03,276 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:03,276 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160456535] [2022-03-15 15:12:03,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:03,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:03,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:03,583 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:03,583 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160456535] [2022-03-15 15:12:03,583 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160456535] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:03,583 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:03,583 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-03-15 15:12:03,583 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334160710] [2022-03-15 15:12:03,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:03,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-03-15 15:12:03,584 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:03,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-03-15 15:12:03,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2022-03-15 15:12:03,584 INFO L87 Difference]: Start difference. First operand 3207 states and 6238 transitions. Second operand has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:04,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:04,999 INFO L93 Difference]: Finished difference Result 4977 states and 9700 transitions. [2022-03-15 15:12:05,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-15 15:12:05,000 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:12:05,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:05,006 INFO L225 Difference]: With dead ends: 4977 [2022-03-15 15:12:05,006 INFO L226 Difference]: Without dead ends: 4977 [2022-03-15 15:12:05,006 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 784 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=604, Invalid=2936, Unknown=0, NotChecked=0, Total=3540 [2022-03-15 15:12:05,006 INFO L933 BasicCegarLoop]: 249 mSDtfsCounter, 1067 mSDsluCounter, 2961 mSDsCounter, 0 mSdLazyCounter, 2647 mSolverCounterSat, 140 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1067 SdHoareTripleChecker+Valid, 3205 SdHoareTripleChecker+Invalid, 2787 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 140 IncrementalHoareTripleChecker+Valid, 2647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:05,006 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1067 Valid, 3205 Invalid, 2787 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [140 Valid, 2647 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 15:12:05,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4977 states. [2022-03-15 15:12:05,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4977 to 3218. [2022-03-15 15:12:05,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3218 states, 3206 states have (on average 1.9525888958203368) internal successors, (6260), 3217 states have internal predecessors, (6260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:05,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3218 states to 3218 states and 6260 transitions. [2022-03-15 15:12:05,043 INFO L78 Accepts]: Start accepts. Automaton has 3218 states and 6260 transitions. Word has length 133 [2022-03-15 15:12:05,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:05,043 INFO L470 AbstractCegarLoop]: Abstraction has 3218 states and 6260 transitions. [2022-03-15 15:12:05,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.045454545454546) internal successors, (133), 23 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:05,043 INFO L276 IsEmpty]: Start isEmpty. Operand 3218 states and 6260 transitions. [2022-03-15 15:12:05,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:12:05,045 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:05,045 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:05,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable100 [2022-03-15 15:12:05,045 INFO L402 AbstractCegarLoop]: === Iteration 102 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:12:05,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:05,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1482916943, now seen corresponding path program 30 times [2022-03-15 15:12:05,046 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:05,046 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162547526] [2022-03-15 15:12:05,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:05,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:05,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:05,334 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:05,335 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162547526] [2022-03-15 15:12:05,335 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162547526] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:05,335 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:05,335 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:12:05,335 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581038012] [2022-03-15 15:12:05,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:05,336 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:12:05,336 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:05,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:12:05,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:12:05,336 INFO L87 Difference]: Start difference. First operand 3218 states and 6260 transitions. Second operand has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:07,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:07,751 INFO L93 Difference]: Finished difference Result 5168 states and 10076 transitions. [2022-03-15 15:12:07,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-15 15:12:07,752 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:12:07,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:07,757 INFO L225 Difference]: With dead ends: 5168 [2022-03-15 15:12:07,757 INFO L226 Difference]: Without dead ends: 5168 [2022-03-15 15:12:07,757 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1125 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=897, Invalid=3795, Unknown=0, NotChecked=0, Total=4692 [2022-03-15 15:12:07,757 INFO L933 BasicCegarLoop]: 344 mSDtfsCounter, 1090 mSDsluCounter, 3780 mSDsCounter, 0 mSdLazyCounter, 4007 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1090 SdHoareTripleChecker+Valid, 4121 SdHoareTripleChecker+Invalid, 4162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 4007 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:07,757 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1090 Valid, 4121 Invalid, 4162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 4007 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 15:12:07,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5168 states. [2022-03-15 15:12:07,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5168 to 3229. [2022-03-15 15:12:07,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3229 states, 3217 states have (on average 1.9527510102580043) internal successors, (6282), 3228 states have internal predecessors, (6282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:07,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3229 states to 3229 states and 6282 transitions. [2022-03-15 15:12:07,790 INFO L78 Accepts]: Start accepts. Automaton has 3229 states and 6282 transitions. Word has length 133 [2022-03-15 15:12:07,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:07,790 INFO L470 AbstractCegarLoop]: Abstraction has 3229 states and 6282 transitions. [2022-03-15 15:12:07,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.65) internal successors, (133), 21 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:07,790 INFO L276 IsEmpty]: Start isEmpty. Operand 3229 states and 6282 transitions. [2022-03-15 15:12:07,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:12:07,791 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:07,791 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:07,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2022-03-15 15:12:07,792 INFO L402 AbstractCegarLoop]: === Iteration 103 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:12:07,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:07,792 INFO L85 PathProgramCache]: Analyzing trace with hash 291568744, now seen corresponding path program 31 times [2022-03-15 15:12:07,792 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:07,792 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984088827] [2022-03-15 15:12:07,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:07,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:07,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:07,984 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:07,984 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984088827] [2022-03-15 15:12:07,984 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984088827] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:07,984 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:07,984 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:12:07,984 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158167120] [2022-03-15 15:12:07,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:07,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:12:07,985 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:07,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:12:07,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:12:07,985 INFO L87 Difference]: Start difference. First operand 3229 states and 6282 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:10,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:10,107 INFO L93 Difference]: Finished difference Result 6243 states and 12064 transitions. [2022-03-15 15:12:10,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-15 15:12:10,107 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:12:10,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:10,112 INFO L225 Difference]: With dead ends: 6243 [2022-03-15 15:12:10,112 INFO L226 Difference]: Without dead ends: 6243 [2022-03-15 15:12:10,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 535 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=440, Invalid=2110, Unknown=0, NotChecked=0, Total=2550 [2022-03-15 15:12:10,113 INFO L933 BasicCegarLoop]: 335 mSDtfsCounter, 1369 mSDsluCounter, 4222 mSDsCounter, 0 mSdLazyCounter, 4446 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1369 SdHoareTripleChecker+Valid, 4552 SdHoareTripleChecker+Invalid, 4647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 4446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:10,113 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1369 Valid, 4552 Invalid, 4647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 4446 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 15:12:10,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6243 states. [2022-03-15 15:12:10,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6243 to 3194. [2022-03-15 15:12:10,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3194 states, 3182 states have (on average 1.9534883720930232) internal successors, (6216), 3193 states have internal predecessors, (6216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:10,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 3194 states and 6216 transitions. [2022-03-15 15:12:10,145 INFO L78 Accepts]: Start accepts. Automaton has 3194 states and 6216 transitions. Word has length 133 [2022-03-15 15:12:10,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:10,145 INFO L470 AbstractCegarLoop]: Abstraction has 3194 states and 6216 transitions. [2022-03-15 15:12:10,145 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:10,145 INFO L276 IsEmpty]: Start isEmpty. Operand 3194 states and 6216 transitions. [2022-03-15 15:12:10,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:12:10,146 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:10,146 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:10,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2022-03-15 15:12:10,146 INFO L402 AbstractCegarLoop]: === Iteration 104 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:12:10,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:10,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1636279275, now seen corresponding path program 31 times [2022-03-15 15:12:10,147 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:10,147 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938290802] [2022-03-15 15:12:10,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:10,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:10,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:10,320 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:10,320 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938290802] [2022-03-15 15:12:10,321 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938290802] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:10,321 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:10,321 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:12:10,321 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835389301] [2022-03-15 15:12:10,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:10,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:12:10,321 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:10,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:12:10,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:12:10,321 INFO L87 Difference]: Start difference. First operand 3194 states and 6216 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:12,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:12,014 INFO L93 Difference]: Finished difference Result 5601 states and 10860 transitions. [2022-03-15 15:12:12,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2022-03-15 15:12:12,014 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:12:12,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:12,019 INFO L225 Difference]: With dead ends: 5601 [2022-03-15 15:12:12,019 INFO L226 Difference]: Without dead ends: 5601 [2022-03-15 15:12:12,020 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1179 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=808, Invalid=3884, Unknown=0, NotChecked=0, Total=4692 [2022-03-15 15:12:12,020 INFO L933 BasicCegarLoop]: 373 mSDtfsCounter, 1013 mSDsluCounter, 4519 mSDsCounter, 0 mSdLazyCounter, 4705 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1013 SdHoareTripleChecker+Valid, 4889 SdHoareTripleChecker+Invalid, 4812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 4705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:12,020 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1013 Valid, 4889 Invalid, 4812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 4705 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:12:12,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5601 states. [2022-03-15 15:12:12,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5601 to 3118. [2022-03-15 15:12:12,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3118 states, 3106 states have (on average 1.9510624597553123) internal successors, (6060), 3117 states have internal predecessors, (6060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:12,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3118 states to 3118 states and 6060 transitions. [2022-03-15 15:12:12,054 INFO L78 Accepts]: Start accepts. Automaton has 3118 states and 6060 transitions. Word has length 133 [2022-03-15 15:12:12,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:12,054 INFO L470 AbstractCegarLoop]: Abstraction has 3118 states and 6060 transitions. [2022-03-15 15:12:12,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:12,054 INFO L276 IsEmpty]: Start isEmpty. Operand 3118 states and 6060 transitions. [2022-03-15 15:12:12,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:12:12,055 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:12,055 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:12,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2022-03-15 15:12:12,055 INFO L402 AbstractCegarLoop]: === Iteration 105 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:12:12,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:12,055 INFO L85 PathProgramCache]: Analyzing trace with hash -427182680, now seen corresponding path program 32 times [2022-03-15 15:12:12,056 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:12,056 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522207949] [2022-03-15 15:12:12,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:12,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:12,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:12,250 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:12,250 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522207949] [2022-03-15 15:12:12,250 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522207949] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:12,250 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:12,250 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:12:12,250 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208456381] [2022-03-15 15:12:12,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:12,250 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:12:12,250 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:12,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:12:12,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:12:12,251 INFO L87 Difference]: Start difference. First operand 3118 states and 6060 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:14,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:14,274 INFO L93 Difference]: Finished difference Result 7881 states and 15199 transitions. [2022-03-15 15:12:14,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 15:12:14,274 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:12:14,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:14,281 INFO L225 Difference]: With dead ends: 7881 [2022-03-15 15:12:14,281 INFO L226 Difference]: Without dead ends: 7881 [2022-03-15 15:12:14,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 881 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=612, Invalid=2928, Unknown=0, NotChecked=0, Total=3540 [2022-03-15 15:12:14,282 INFO L933 BasicCegarLoop]: 390 mSDtfsCounter, 1725 mSDsluCounter, 4010 mSDsCounter, 0 mSdLazyCounter, 3867 mSolverCounterSat, 281 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1725 SdHoareTripleChecker+Valid, 4395 SdHoareTripleChecker+Invalid, 4148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 281 IncrementalHoareTripleChecker+Valid, 3867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:14,282 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1725 Valid, 4395 Invalid, 4148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [281 Valid, 3867 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 15:12:14,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7881 states. [2022-03-15 15:12:14,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7881 to 3198. [2022-03-15 15:12:14,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3198 states, 3186 states have (on average 1.953546767106089) internal successors, (6224), 3197 states have internal predecessors, (6224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:14,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3198 states to 3198 states and 6224 transitions. [2022-03-15 15:12:14,320 INFO L78 Accepts]: Start accepts. Automaton has 3198 states and 6224 transitions. Word has length 133 [2022-03-15 15:12:14,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:14,320 INFO L470 AbstractCegarLoop]: Abstraction has 3198 states and 6224 transitions. [2022-03-15 15:12:14,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:14,320 INFO L276 IsEmpty]: Start isEmpty. Operand 3198 states and 6224 transitions. [2022-03-15 15:12:14,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:12:14,321 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:14,321 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:14,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2022-03-15 15:12:14,321 INFO L402 AbstractCegarLoop]: === Iteration 106 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:12:14,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:14,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1558649301, now seen corresponding path program 32 times [2022-03-15 15:12:14,322 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:14,322 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626250928] [2022-03-15 15:12:14,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:14,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:14,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:14,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:14,576 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:14,576 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626250928] [2022-03-15 15:12:14,576 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626250928] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:14,577 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:14,577 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-03-15 15:12:14,577 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603493024] [2022-03-15 15:12:14,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:14,577 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-03-15 15:12:14,577 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:14,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-03-15 15:12:14,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2022-03-15 15:12:14,578 INFO L87 Difference]: Start difference. First operand 3198 states and 6224 transitions. Second operand has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:17,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:17,699 INFO L93 Difference]: Finished difference Result 6807 states and 13189 transitions. [2022-03-15 15:12:17,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2022-03-15 15:12:17,700 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:12:17,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:17,706 INFO L225 Difference]: With dead ends: 6807 [2022-03-15 15:12:17,706 INFO L226 Difference]: Without dead ends: 6807 [2022-03-15 15:12:17,707 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2790 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1404, Invalid=7716, Unknown=0, NotChecked=0, Total=9120 [2022-03-15 15:12:17,707 INFO L933 BasicCegarLoop]: 446 mSDtfsCounter, 1373 mSDsluCounter, 5760 mSDsCounter, 0 mSdLazyCounter, 6266 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1373 SdHoareTripleChecker+Valid, 6201 SdHoareTripleChecker+Invalid, 6375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 6266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:17,707 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1373 Valid, 6201 Invalid, 6375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 6266 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-15 15:12:17,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6807 states. [2022-03-15 15:12:17,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6807 to 3156. [2022-03-15 15:12:17,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3156 states, 3144 states have (on average 1.9516539440203562) internal successors, (6136), 3155 states have internal predecessors, (6136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:17,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3156 states to 3156 states and 6136 transitions. [2022-03-15 15:12:17,743 INFO L78 Accepts]: Start accepts. Automaton has 3156 states and 6136 transitions. Word has length 133 [2022-03-15 15:12:17,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:17,743 INFO L470 AbstractCegarLoop]: Abstraction has 3156 states and 6136 transitions. [2022-03-15 15:12:17,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:17,744 INFO L276 IsEmpty]: Start isEmpty. Operand 3156 states and 6136 transitions. [2022-03-15 15:12:17,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:12:17,745 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:17,745 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:17,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2022-03-15 15:12:17,745 INFO L402 AbstractCegarLoop]: === Iteration 107 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:12:17,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:17,745 INFO L85 PathProgramCache]: Analyzing trace with hash 983192936, now seen corresponding path program 33 times [2022-03-15 15:12:17,745 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:17,745 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220858276] [2022-03-15 15:12:17,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:17,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:18,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:18,020 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:18,020 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220858276] [2022-03-15 15:12:18,020 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220858276] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:18,020 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:18,020 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:12:18,020 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354352094] [2022-03-15 15:12:18,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:18,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:12:18,021 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:18,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:12:18,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:12:18,021 INFO L87 Difference]: Start difference. First operand 3156 states and 6136 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:19,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:19,798 INFO L93 Difference]: Finished difference Result 7149 states and 13804 transitions. [2022-03-15 15:12:19,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-03-15 15:12:19,798 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:12:19,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:19,806 INFO L225 Difference]: With dead ends: 7149 [2022-03-15 15:12:19,806 INFO L226 Difference]: Without dead ends: 7149 [2022-03-15 15:12:19,807 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=593, Invalid=2713, Unknown=0, NotChecked=0, Total=3306 [2022-03-15 15:12:19,807 INFO L933 BasicCegarLoop]: 416 mSDtfsCounter, 1458 mSDsluCounter, 4351 mSDsCounter, 0 mSdLazyCounter, 4153 mSolverCounterSat, 299 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1458 SdHoareTripleChecker+Valid, 4762 SdHoareTripleChecker+Invalid, 4452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 299 IncrementalHoareTripleChecker+Valid, 4153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:19,807 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1458 Valid, 4762 Invalid, 4452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [299 Valid, 4153 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 15:12:19,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7149 states. [2022-03-15 15:12:19,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7149 to 3152. [2022-03-15 15:12:19,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3152 states, 3140 states have (on average 1.951592356687898) internal successors, (6128), 3151 states have internal predecessors, (6128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:19,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3152 states to 3152 states and 6128 transitions. [2022-03-15 15:12:19,849 INFO L78 Accepts]: Start accepts. Automaton has 3152 states and 6128 transitions. Word has length 133 [2022-03-15 15:12:19,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:19,849 INFO L470 AbstractCegarLoop]: Abstraction has 3152 states and 6128 transitions. [2022-03-15 15:12:19,849 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:19,849 INFO L276 IsEmpty]: Start isEmpty. Operand 3152 states and 6128 transitions. [2022-03-15 15:12:19,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:12:19,850 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:19,851 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:19,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2022-03-15 15:12:19,851 INFO L402 AbstractCegarLoop]: === Iteration 108 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:12:19,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:19,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1365913324, now seen corresponding path program 34 times [2022-03-15 15:12:19,851 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:19,851 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169623386] [2022-03-15 15:12:19,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:19,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:20,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:20,100 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:20,100 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169623386] [2022-03-15 15:12:20,100 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169623386] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:20,100 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:20,100 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:12:20,100 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781023873] [2022-03-15 15:12:20,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:20,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:12:20,100 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:20,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:12:20,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:12:20,101 INFO L87 Difference]: Start difference. First operand 3152 states and 6128 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:22,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:22,219 INFO L93 Difference]: Finished difference Result 7113 states and 13732 transitions. [2022-03-15 15:12:22,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 15:12:22,219 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:12:22,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:22,227 INFO L225 Difference]: With dead ends: 7113 [2022-03-15 15:12:22,227 INFO L226 Difference]: Without dead ends: 7113 [2022-03-15 15:12:22,228 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 844 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=622, Invalid=2918, Unknown=0, NotChecked=0, Total=3540 [2022-03-15 15:12:22,228 INFO L933 BasicCegarLoop]: 431 mSDtfsCounter, 1529 mSDsluCounter, 4524 mSDsCounter, 0 mSdLazyCounter, 4683 mSolverCounterSat, 288 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1529 SdHoareTripleChecker+Valid, 4949 SdHoareTripleChecker+Invalid, 4971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 288 IncrementalHoareTripleChecker+Valid, 4683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:22,228 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1529 Valid, 4949 Invalid, 4971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [288 Valid, 4683 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-03-15 15:12:22,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7113 states. [2022-03-15 15:12:22,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7113 to 3126. [2022-03-15 15:12:22,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3126 states, 3114 states have (on average 1.9511881824020552) internal successors, (6076), 3125 states have internal predecessors, (6076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:22,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3126 states to 3126 states and 6076 transitions. [2022-03-15 15:12:22,266 INFO L78 Accepts]: Start accepts. Automaton has 3126 states and 6076 transitions. Word has length 133 [2022-03-15 15:12:22,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:22,266 INFO L470 AbstractCegarLoop]: Abstraction has 3126 states and 6076 transitions. [2022-03-15 15:12:22,266 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:22,266 INFO L276 IsEmpty]: Start isEmpty. Operand 3126 states and 6076 transitions. [2022-03-15 15:12:22,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:12:22,267 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:22,267 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:22,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2022-03-15 15:12:22,267 INFO L402 AbstractCegarLoop]: === Iteration 109 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:12:22,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:22,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1654309480, now seen corresponding path program 35 times [2022-03-15 15:12:22,268 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:22,268 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009365024] [2022-03-15 15:12:22,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:22,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:22,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:22,443 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:22,443 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009365024] [2022-03-15 15:12:22,443 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009365024] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:22,443 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:22,443 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:12:22,443 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382564834] [2022-03-15 15:12:22,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:22,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:12:22,444 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:22,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:12:22,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:12:22,444 INFO L87 Difference]: Start difference. First operand 3126 states and 6076 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:24,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:24,847 INFO L93 Difference]: Finished difference Result 8023 states and 15468 transitions. [2022-03-15 15:12:24,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-15 15:12:24,847 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:12:24,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:24,857 INFO L225 Difference]: With dead ends: 8023 [2022-03-15 15:12:24,857 INFO L226 Difference]: Without dead ends: 8003 [2022-03-15 15:12:24,858 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1097 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=731, Invalid=3429, Unknown=0, NotChecked=0, Total=4160 [2022-03-15 15:12:24,858 INFO L933 BasicCegarLoop]: 419 mSDtfsCounter, 1726 mSDsluCounter, 4499 mSDsCounter, 0 mSdLazyCounter, 4394 mSolverCounterSat, 276 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1726 SdHoareTripleChecker+Valid, 4913 SdHoareTripleChecker+Invalid, 4670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 276 IncrementalHoareTripleChecker+Valid, 4394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:24,858 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1726 Valid, 4913 Invalid, 4670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [276 Valid, 4394 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 15:12:24,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8003 states. [2022-03-15 15:12:24,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8003 to 3222. [2022-03-15 15:12:24,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3222 states, 3210 states have (on average 1.9538940809968848) internal successors, (6272), 3221 states have internal predecessors, (6272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:24,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3222 states to 3222 states and 6272 transitions. [2022-03-15 15:12:24,908 INFO L78 Accepts]: Start accepts. Automaton has 3222 states and 6272 transitions. Word has length 133 [2022-03-15 15:12:24,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:24,908 INFO L470 AbstractCegarLoop]: Abstraction has 3222 states and 6272 transitions. [2022-03-15 15:12:24,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:24,908 INFO L276 IsEmpty]: Start isEmpty. Operand 3222 states and 6272 transitions. [2022-03-15 15:12:24,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:12:24,909 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:24,909 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:24,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2022-03-15 15:12:24,909 INFO L402 AbstractCegarLoop]: === Iteration 110 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:12:24,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:24,909 INFO L85 PathProgramCache]: Analyzing trace with hash 522842859, now seen corresponding path program 33 times [2022-03-15 15:12:24,910 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:24,910 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125992139] [2022-03-15 15:12:24,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:24,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:25,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:25,138 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:25,138 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125992139] [2022-03-15 15:12:25,139 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125992139] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:25,139 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:25,139 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-03-15 15:12:25,139 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748014350] [2022-03-15 15:12:25,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:25,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-03-15 15:12:25,139 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:25,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-03-15 15:12:25,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2022-03-15 15:12:25,139 INFO L87 Difference]: Start difference. First operand 3222 states and 6272 transitions. Second operand has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:28,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:28,151 INFO L93 Difference]: Finished difference Result 6909 states and 13387 transitions. [2022-03-15 15:12:28,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2022-03-15 15:12:28,152 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:12:28,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:28,158 INFO L225 Difference]: With dead ends: 6909 [2022-03-15 15:12:28,158 INFO L226 Difference]: Without dead ends: 6909 [2022-03-15 15:12:28,159 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3116 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1511, Invalid=8389, Unknown=0, NotChecked=0, Total=9900 [2022-03-15 15:12:28,159 INFO L933 BasicCegarLoop]: 458 mSDtfsCounter, 1548 mSDsluCounter, 5816 mSDsCounter, 0 mSdLazyCounter, 6330 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1548 SdHoareTripleChecker+Valid, 6269 SdHoareTripleChecker+Invalid, 6456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 6330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:28,159 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1548 Valid, 6269 Invalid, 6456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 6330 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-15 15:12:28,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6909 states. [2022-03-15 15:12:28,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6909 to 3192. [2022-03-15 15:12:28,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3192 states, 3180 states have (on average 1.9522012578616352) internal successors, (6208), 3191 states have internal predecessors, (6208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:28,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3192 states to 3192 states and 6208 transitions. [2022-03-15 15:12:28,196 INFO L78 Accepts]: Start accepts. Automaton has 3192 states and 6208 transitions. Word has length 133 [2022-03-15 15:12:28,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:28,197 INFO L470 AbstractCegarLoop]: Abstraction has 3192 states and 6208 transitions. [2022-03-15 15:12:28,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:28,197 INFO L276 IsEmpty]: Start isEmpty. Operand 3192 states and 6208 transitions. [2022-03-15 15:12:28,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:12:28,198 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:28,198 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:28,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2022-03-15 15:12:28,198 INFO L402 AbstractCegarLoop]: === Iteration 111 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:12:28,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:28,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1230282200, now seen corresponding path program 36 times [2022-03-15 15:12:28,198 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:28,198 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209126132] [2022-03-15 15:12:28,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:28,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:28,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:28,448 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:28,448 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209126132] [2022-03-15 15:12:28,448 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209126132] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:28,448 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:28,448 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:12:28,448 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865596655] [2022-03-15 15:12:28,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:28,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:12:28,449 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:28,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:12:28,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:12:28,449 INFO L87 Difference]: Start difference. First operand 3192 states and 6208 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:31,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:31,228 INFO L93 Difference]: Finished difference Result 8709 states and 16779 transitions. [2022-03-15 15:12:31,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 15:12:31,228 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:12:31,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:31,237 INFO L225 Difference]: With dead ends: 8709 [2022-03-15 15:12:31,237 INFO L226 Difference]: Without dead ends: 8709 [2022-03-15 15:12:31,237 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1229 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=831, Invalid=3725, Unknown=0, NotChecked=0, Total=4556 [2022-03-15 15:12:31,237 INFO L933 BasicCegarLoop]: 462 mSDtfsCounter, 1816 mSDsluCounter, 4683 mSDsCounter, 0 mSdLazyCounter, 4516 mSolverCounterSat, 429 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1816 SdHoareTripleChecker+Valid, 5141 SdHoareTripleChecker+Invalid, 4945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 429 IncrementalHoareTripleChecker+Valid, 4516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:31,237 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1816 Valid, 5141 Invalid, 4945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [429 Valid, 4516 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-15 15:12:31,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8709 states. [2022-03-15 15:12:31,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8709 to 3194. [2022-03-15 15:12:31,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3194 states, 3182 states have (on average 1.9522313010685104) internal successors, (6212), 3193 states have internal predecessors, (6212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:31,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 3194 states and 6212 transitions. [2022-03-15 15:12:31,279 INFO L78 Accepts]: Start accepts. Automaton has 3194 states and 6212 transitions. Word has length 133 [2022-03-15 15:12:31,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:31,280 INFO L470 AbstractCegarLoop]: Abstraction has 3194 states and 6212 transitions. [2022-03-15 15:12:31,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:31,280 INFO L276 IsEmpty]: Start isEmpty. Operand 3194 states and 6212 transitions. [2022-03-15 15:12:31,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:12:31,281 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:31,281 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:31,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2022-03-15 15:12:31,281 INFO L402 AbstractCegarLoop]: === Iteration 112 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:12:31,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:31,281 INFO L85 PathProgramCache]: Analyzing trace with hash -847561812, now seen corresponding path program 37 times [2022-03-15 15:12:31,281 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:31,281 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747514073] [2022-03-15 15:12:31,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:31,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:31,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:31,451 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:31,452 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747514073] [2022-03-15 15:12:31,452 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747514073] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:31,452 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:31,452 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:12:31,452 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083182677] [2022-03-15 15:12:31,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:31,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:12:31,452 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:31,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:12:31,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:12:31,452 INFO L87 Difference]: Start difference. First operand 3194 states and 6212 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:34,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:34,135 INFO L93 Difference]: Finished difference Result 8848 states and 17057 transitions. [2022-03-15 15:12:34,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-15 15:12:34,135 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:12:34,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:34,146 INFO L225 Difference]: With dead ends: 8848 [2022-03-15 15:12:34,146 INFO L226 Difference]: Without dead ends: 8848 [2022-03-15 15:12:34,146 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1334 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=869, Invalid=3961, Unknown=0, NotChecked=0, Total=4830 [2022-03-15 15:12:34,146 INFO L933 BasicCegarLoop]: 477 mSDtfsCounter, 1934 mSDsluCounter, 4767 mSDsCounter, 0 mSdLazyCounter, 4705 mSolverCounterSat, 443 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1934 SdHoareTripleChecker+Valid, 5240 SdHoareTripleChecker+Invalid, 5148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 443 IncrementalHoareTripleChecker+Valid, 4705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:34,146 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1934 Valid, 5240 Invalid, 5148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [443 Valid, 4705 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-03-15 15:12:34,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8848 states. [2022-03-15 15:12:34,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8848 to 3184. [2022-03-15 15:12:34,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3184 states, 3172 states have (on average 1.9520807061790668) internal successors, (6192), 3183 states have internal predecessors, (6192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:34,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 6192 transitions. [2022-03-15 15:12:34,197 INFO L78 Accepts]: Start accepts. Automaton has 3184 states and 6192 transitions. Word has length 133 [2022-03-15 15:12:34,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:34,198 INFO L470 AbstractCegarLoop]: Abstraction has 3184 states and 6192 transitions. [2022-03-15 15:12:34,198 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:34,198 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 6192 transitions. [2022-03-15 15:12:34,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:12:34,199 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:34,199 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:34,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2022-03-15 15:12:34,199 INFO L402 AbstractCegarLoop]: === Iteration 113 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:12:34,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:34,199 INFO L85 PathProgramCache]: Analyzing trace with hash 969013032, now seen corresponding path program 38 times [2022-03-15 15:12:34,200 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:34,200 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135299030] [2022-03-15 15:12:34,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:34,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:34,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:34,447 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:34,447 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135299030] [2022-03-15 15:12:34,447 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135299030] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:34,447 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:34,447 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:12:34,447 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861381970] [2022-03-15 15:12:34,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:34,448 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:12:34,448 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:34,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:12:34,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:12:34,448 INFO L87 Difference]: Start difference. First operand 3184 states and 6192 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:36,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:36,374 INFO L93 Difference]: Finished difference Result 7543 states and 14581 transitions. [2022-03-15 15:12:36,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 15:12:36,375 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:12:36,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:36,382 INFO L225 Difference]: With dead ends: 7543 [2022-03-15 15:12:36,382 INFO L226 Difference]: Without dead ends: 7523 [2022-03-15 15:12:36,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1175 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=844, Invalid=3712, Unknown=0, NotChecked=0, Total=4556 [2022-03-15 15:12:36,383 INFO L933 BasicCegarLoop]: 452 mSDtfsCounter, 1652 mSDsluCounter, 3986 mSDsCounter, 0 mSdLazyCounter, 3824 mSolverCounterSat, 366 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1652 SdHoareTripleChecker+Valid, 4434 SdHoareTripleChecker+Invalid, 4190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 366 IncrementalHoareTripleChecker+Valid, 3824 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:36,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1652 Valid, 4434 Invalid, 4190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [366 Valid, 3824 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-03-15 15:12:36,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7523 states. [2022-03-15 15:12:36,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7523 to 3132. [2022-03-15 15:12:36,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3132 states, 3120 states have (on average 1.9512820512820512) internal successors, (6088), 3131 states have internal predecessors, (6088), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:36,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3132 states to 3132 states and 6088 transitions. [2022-03-15 15:12:36,422 INFO L78 Accepts]: Start accepts. Automaton has 3132 states and 6088 transitions. Word has length 133 [2022-03-15 15:12:36,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:36,422 INFO L470 AbstractCegarLoop]: Abstraction has 3132 states and 6088 transitions. [2022-03-15 15:12:36,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:36,422 INFO L276 IsEmpty]: Start isEmpty. Operand 3132 states and 6088 transitions. [2022-03-15 15:12:36,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:12:36,423 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:36,423 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:36,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2022-03-15 15:12:36,423 INFO L402 AbstractCegarLoop]: === Iteration 114 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:12:36,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:36,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1279777398, now seen corresponding path program 39 times [2022-03-15 15:12:36,424 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:36,424 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418849233] [2022-03-15 15:12:36,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:36,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:36,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:36,601 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:36,601 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418849233] [2022-03-15 15:12:36,601 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418849233] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:36,601 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:36,602 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:12:36,602 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879928137] [2022-03-15 15:12:36,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:36,602 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:12:36,602 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:36,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:12:36,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:12:36,602 INFO L87 Difference]: Start difference. First operand 3132 states and 6088 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:39,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:39,178 INFO L93 Difference]: Finished difference Result 7207 states and 13914 transitions. [2022-03-15 15:12:39,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-15 15:12:39,179 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:12:39,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:39,187 INFO L225 Difference]: With dead ends: 7207 [2022-03-15 15:12:39,187 INFO L226 Difference]: Without dead ends: 7207 [2022-03-15 15:12:39,187 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1089 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=777, Invalid=3513, Unknown=0, NotChecked=0, Total=4290 [2022-03-15 15:12:39,187 INFO L933 BasicCegarLoop]: 453 mSDtfsCounter, 1520 mSDsluCounter, 4696 mSDsCounter, 0 mSdLazyCounter, 4785 mSolverCounterSat, 399 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1520 SdHoareTripleChecker+Valid, 5144 SdHoareTripleChecker+Invalid, 5184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 399 IncrementalHoareTripleChecker+Valid, 4785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:39,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1520 Valid, 5144 Invalid, 5184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [399 Valid, 4785 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-15 15:12:39,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7207 states. [2022-03-15 15:12:39,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7207 to 3062. [2022-03-15 15:12:39,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3062 states, 3050 states have (on average 1.9501639344262296) internal successors, (5948), 3061 states have internal predecessors, (5948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:39,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 3062 states and 5948 transitions. [2022-03-15 15:12:39,230 INFO L78 Accepts]: Start accepts. Automaton has 3062 states and 5948 transitions. Word has length 133 [2022-03-15 15:12:39,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:39,230 INFO L470 AbstractCegarLoop]: Abstraction has 3062 states and 5948 transitions. [2022-03-15 15:12:39,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:39,230 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 5948 transitions. [2022-03-15 15:12:39,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:12:39,231 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:39,231 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:39,231 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2022-03-15 15:12:39,231 INFO L402 AbstractCegarLoop]: === Iteration 115 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:12:39,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:39,232 INFO L85 PathProgramCache]: Analyzing trace with hash -1139240436, now seen corresponding path program 40 times [2022-03-15 15:12:39,232 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:39,232 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571152122] [2022-03-15 15:12:39,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:39,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:39,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:39,450 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:39,450 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571152122] [2022-03-15 15:12:39,450 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571152122] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:39,450 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:39,450 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:12:39,450 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310634220] [2022-03-15 15:12:39,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:39,450 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:12:39,451 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:39,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:12:39,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:12:39,451 INFO L87 Difference]: Start difference. First operand 3062 states and 5948 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:41,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:41,348 INFO L93 Difference]: Finished difference Result 5538 states and 10650 transitions. [2022-03-15 15:12:41,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-15 15:12:41,348 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:12:41,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:41,355 INFO L225 Difference]: With dead ends: 5538 [2022-03-15 15:12:41,355 INFO L226 Difference]: Without dead ends: 5518 [2022-03-15 15:12:41,355 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1214 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=733, Invalid=3823, Unknown=0, NotChecked=0, Total=4556 [2022-03-15 15:12:41,355 INFO L933 BasicCegarLoop]: 312 mSDtfsCounter, 1783 mSDsluCounter, 3916 mSDsCounter, 0 mSdLazyCounter, 4082 mSolverCounterSat, 292 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1783 SdHoareTripleChecker+Valid, 4223 SdHoareTripleChecker+Invalid, 4374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 292 IncrementalHoareTripleChecker+Valid, 4082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:41,356 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1783 Valid, 4223 Invalid, 4374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [292 Valid, 4082 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 15:12:41,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5518 states. [2022-03-15 15:12:41,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5518 to 3022. [2022-03-15 15:12:41,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3022 states, 3010 states have (on average 1.9495016611295681) internal successors, (5868), 3021 states have internal predecessors, (5868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:41,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3022 states to 3022 states and 5868 transitions. [2022-03-15 15:12:41,390 INFO L78 Accepts]: Start accepts. Automaton has 3022 states and 5868 transitions. Word has length 133 [2022-03-15 15:12:41,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:41,390 INFO L470 AbstractCegarLoop]: Abstraction has 3022 states and 5868 transitions. [2022-03-15 15:12:41,390 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:41,390 INFO L276 IsEmpty]: Start isEmpty. Operand 3022 states and 5868 transitions. [2022-03-15 15:12:41,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:12:41,391 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:41,391 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:41,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2022-03-15 15:12:41,392 INFO L402 AbstractCegarLoop]: === Iteration 116 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:12:41,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:41,392 INFO L85 PathProgramCache]: Analyzing trace with hash 2024260239, now seen corresponding path program 34 times [2022-03-15 15:12:41,392 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:41,392 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975983312] [2022-03-15 15:12:41,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:41,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:41,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:41,600 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:41,600 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975983312] [2022-03-15 15:12:41,600 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975983312] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:41,600 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:41,600 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-03-15 15:12:41,601 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101736752] [2022-03-15 15:12:41,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:41,601 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-03-15 15:12:41,601 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:41,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-03-15 15:12:41,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=406, Unknown=0, NotChecked=0, Total=462 [2022-03-15 15:12:41,601 INFO L87 Difference]: Start difference. First operand 3022 states and 5868 transitions. Second operand has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:43,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:43,663 INFO L93 Difference]: Finished difference Result 4783 states and 9230 transitions. [2022-03-15 15:12:43,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2022-03-15 15:12:43,663 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:12:43,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:43,670 INFO L225 Difference]: With dead ends: 4783 [2022-03-15 15:12:43,671 INFO L226 Difference]: Without dead ends: 4783 [2022-03-15 15:12:43,672 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2006 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=981, Invalid=5661, Unknown=0, NotChecked=0, Total=6642 [2022-03-15 15:12:43,672 INFO L933 BasicCegarLoop]: 326 mSDtfsCounter, 1727 mSDsluCounter, 4235 mSDsCounter, 0 mSdLazyCounter, 4465 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1727 SdHoareTripleChecker+Valid, 4556 SdHoareTripleChecker+Invalid, 4602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 4465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:43,672 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1727 Valid, 4556 Invalid, 4602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 4465 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 15:12:43,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4783 states. [2022-03-15 15:12:43,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4783 to 2881. [2022-03-15 15:12:43,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2881 states, 2871 states have (on average 1.9474050853361198) internal successors, (5591), 2880 states have internal predecessors, (5591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:43,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2881 states and 5591 transitions. [2022-03-15 15:12:43,705 INFO L78 Accepts]: Start accepts. Automaton has 2881 states and 5591 transitions. Word has length 133 [2022-03-15 15:12:43,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:43,705 INFO L470 AbstractCegarLoop]: Abstraction has 2881 states and 5591 transitions. [2022-03-15 15:12:43,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.333333333333333) internal successors, (133), 22 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:43,705 INFO L276 IsEmpty]: Start isEmpty. Operand 2881 states and 5591 transitions. [2022-03-15 15:12:43,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:12:43,706 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:43,706 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:43,706 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2022-03-15 15:12:43,706 INFO L402 AbstractCegarLoop]: === Iteration 117 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:12:43,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:43,707 INFO L85 PathProgramCache]: Analyzing trace with hash 271135180, now seen corresponding path program 41 times [2022-03-15 15:12:43,707 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:43,707 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890656373] [2022-03-15 15:12:43,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:43,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:44,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:44,031 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:44,031 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890656373] [2022-03-15 15:12:44,031 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890656373] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:44,031 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:44,031 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:12:44,031 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131089745] [2022-03-15 15:12:44,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:44,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:12:44,032 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:44,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:12:44,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:12:44,032 INFO L87 Difference]: Start difference. First operand 2881 states and 5591 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:47,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:47,200 INFO L93 Difference]: Finished difference Result 6224 states and 11961 transitions. [2022-03-15 15:12:47,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-15 15:12:47,200 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:12:47,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:47,206 INFO L225 Difference]: With dead ends: 6224 [2022-03-15 15:12:47,206 INFO L226 Difference]: Without dead ends: 6224 [2022-03-15 15:12:47,206 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1356 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=830, Invalid=4140, Unknown=0, NotChecked=0, Total=4970 [2022-03-15 15:12:47,206 INFO L933 BasicCegarLoop]: 361 mSDtfsCounter, 1965 mSDsluCounter, 3710 mSDsCounter, 0 mSdLazyCounter, 3914 mSolverCounterSat, 387 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1965 SdHoareTripleChecker+Valid, 4066 SdHoareTripleChecker+Invalid, 4301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 387 IncrementalHoareTripleChecker+Valid, 3914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:47,206 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1965 Valid, 4066 Invalid, 4301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [387 Valid, 3914 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-03-15 15:12:47,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6224 states. [2022-03-15 15:12:47,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6224 to 2883. [2022-03-15 15:12:47,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2883 states, 2873 states have (on average 1.9474416985729204) internal successors, (5595), 2882 states have internal predecessors, (5595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:47,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2883 states to 2883 states and 5595 transitions. [2022-03-15 15:12:47,238 INFO L78 Accepts]: Start accepts. Automaton has 2883 states and 5595 transitions. Word has length 133 [2022-03-15 15:12:47,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:47,238 INFO L470 AbstractCegarLoop]: Abstraction has 2883 states and 5595 transitions. [2022-03-15 15:12:47,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:47,238 INFO L276 IsEmpty]: Start isEmpty. Operand 2883 states and 5595 transitions. [2022-03-15 15:12:47,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:12:47,239 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:47,239 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:47,239 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2022-03-15 15:12:47,239 INFO L402 AbstractCegarLoop]: === Iteration 118 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:12:47,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:47,240 INFO L85 PathProgramCache]: Analyzing trace with hash 653855568, now seen corresponding path program 42 times [2022-03-15 15:12:47,240 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:47,240 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722129344] [2022-03-15 15:12:47,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:47,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:47,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:47,499 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:47,500 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722129344] [2022-03-15 15:12:47,500 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722129344] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:47,500 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:47,500 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:12:47,500 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707185032] [2022-03-15 15:12:47,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:47,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:12:47,500 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:47,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:12:47,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:12:47,500 INFO L87 Difference]: Start difference. First operand 2883 states and 5595 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:50,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:50,282 INFO L93 Difference]: Finished difference Result 6363 states and 12239 transitions. [2022-03-15 15:12:50,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 15:12:50,282 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:12:50,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:50,288 INFO L225 Difference]: With dead ends: 6363 [2022-03-15 15:12:50,288 INFO L226 Difference]: Without dead ends: 6363 [2022-03-15 15:12:50,289 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1466 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=864, Invalid=4392, Unknown=0, NotChecked=0, Total=5256 [2022-03-15 15:12:50,289 INFO L933 BasicCegarLoop]: 376 mSDtfsCounter, 1837 mSDsluCounter, 4326 mSDsCounter, 0 mSdLazyCounter, 4582 mSolverCounterSat, 357 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1837 SdHoareTripleChecker+Valid, 4697 SdHoareTripleChecker+Invalid, 4939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 357 IncrementalHoareTripleChecker+Valid, 4582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:50,289 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1837 Valid, 4697 Invalid, 4939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [357 Valid, 4582 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-03-15 15:12:50,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6363 states. [2022-03-15 15:12:50,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6363 to 2873. [2022-03-15 15:12:50,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2873 states, 2863 states have (on average 1.9472581208522528) internal successors, (5575), 2872 states have internal predecessors, (5575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:50,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2873 states to 2873 states and 5575 transitions. [2022-03-15 15:12:50,323 INFO L78 Accepts]: Start accepts. Automaton has 2873 states and 5575 transitions. Word has length 133 [2022-03-15 15:12:50,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:50,324 INFO L470 AbstractCegarLoop]: Abstraction has 2873 states and 5575 transitions. [2022-03-15 15:12:50,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:50,324 INFO L276 IsEmpty]: Start isEmpty. Operand 2873 states and 5575 transitions. [2022-03-15 15:12:50,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:12:50,325 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:50,325 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:50,325 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2022-03-15 15:12:50,325 INFO L402 AbstractCegarLoop]: === Iteration 119 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:12:50,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:50,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1824536884, now seen corresponding path program 43 times [2022-03-15 15:12:50,325 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:50,325 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922845321] [2022-03-15 15:12:50,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:50,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:50,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:50,552 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:50,552 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922845321] [2022-03-15 15:12:50,552 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922845321] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:50,552 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:50,552 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:12:50,552 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688943072] [2022-03-15 15:12:50,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:50,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:12:50,553 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:50,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:12:50,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:12:50,553 INFO L87 Difference]: Start difference. First operand 2873 states and 5575 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:52,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:52,755 INFO L93 Difference]: Finished difference Result 6302 states and 12111 transitions. [2022-03-15 15:12:52,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-03-15 15:12:52,756 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:12:52,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:52,762 INFO L225 Difference]: With dead ends: 6302 [2022-03-15 15:12:52,762 INFO L226 Difference]: Without dead ends: 6302 [2022-03-15 15:12:52,763 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1697 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1034, Invalid=4972, Unknown=0, NotChecked=0, Total=6006 [2022-03-15 15:12:52,763 INFO L933 BasicCegarLoop]: 369 mSDtfsCounter, 1952 mSDsluCounter, 3763 mSDsCounter, 0 mSdLazyCounter, 3917 mSolverCounterSat, 408 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1952 SdHoareTripleChecker+Valid, 4128 SdHoareTripleChecker+Invalid, 4325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 408 IncrementalHoareTripleChecker+Valid, 3917 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:52,763 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1952 Valid, 4128 Invalid, 4325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [408 Valid, 3917 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 15:12:52,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6302 states. [2022-03-15 15:12:52,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6302 to 2879. [2022-03-15 15:12:52,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2879 states, 2869 states have (on average 1.9473684210526316) internal successors, (5587), 2878 states have internal predecessors, (5587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:52,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2879 states to 2879 states and 5587 transitions. [2022-03-15 15:12:52,798 INFO L78 Accepts]: Start accepts. Automaton has 2879 states and 5587 transitions. Word has length 133 [2022-03-15 15:12:52,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:52,798 INFO L470 AbstractCegarLoop]: Abstraction has 2879 states and 5587 transitions. [2022-03-15 15:12:52,799 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:52,799 INFO L276 IsEmpty]: Start isEmpty. Operand 2879 states and 5587 transitions. [2022-03-15 15:12:52,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:12:52,800 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:52,800 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:52,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2022-03-15 15:12:52,800 INFO L402 AbstractCegarLoop]: === Iteration 120 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:12:52,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:52,800 INFO L85 PathProgramCache]: Analyzing trace with hash 221639982, now seen corresponding path program 44 times [2022-03-15 15:12:52,800 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:52,800 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675631583] [2022-03-15 15:12:52,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:52,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:53,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:53,035 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:53,035 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675631583] [2022-03-15 15:12:53,035 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675631583] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:53,035 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:53,035 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:12:53,035 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809640691] [2022-03-15 15:12:53,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:53,035 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:12:53,035 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:53,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:12:53,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:12:53,036 INFO L87 Difference]: Start difference. First operand 2879 states and 5587 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:55,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:55,807 INFO L93 Difference]: Finished difference Result 6405 states and 12321 transitions. [2022-03-15 15:12:55,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-15 15:12:55,807 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:12:55,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:55,814 INFO L225 Difference]: With dead ends: 6405 [2022-03-15 15:12:55,815 INFO L226 Difference]: Without dead ends: 6405 [2022-03-15 15:12:55,815 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1591 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=967, Invalid=4733, Unknown=0, NotChecked=0, Total=5700 [2022-03-15 15:12:55,815 INFO L933 BasicCegarLoop]: 382 mSDtfsCounter, 1863 mSDsluCounter, 3855 mSDsCounter, 0 mSdLazyCounter, 4234 mSolverCounterSat, 378 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1863 SdHoareTripleChecker+Valid, 4232 SdHoareTripleChecker+Invalid, 4612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 378 IncrementalHoareTripleChecker+Valid, 4234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:55,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1863 Valid, 4232 Invalid, 4612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [378 Valid, 4234 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-03-15 15:12:55,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6405 states. [2022-03-15 15:12:55,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6405 to 2857. [2022-03-15 15:12:55,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2857 states, 2847 states have (on average 1.9469617140850017) internal successors, (5543), 2856 states have internal predecessors, (5543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:55,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2857 states to 2857 states and 5543 transitions. [2022-03-15 15:12:55,850 INFO L78 Accepts]: Start accepts. Automaton has 2857 states and 5543 transitions. Word has length 133 [2022-03-15 15:12:55,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:55,850 INFO L470 AbstractCegarLoop]: Abstraction has 2857 states and 5543 transitions. [2022-03-15 15:12:55,851 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:55,851 INFO L276 IsEmpty]: Start isEmpty. Operand 2857 states and 5543 transitions. [2022-03-15 15:12:55,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:12:55,852 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:55,852 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:55,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2022-03-15 15:12:55,852 INFO L402 AbstractCegarLoop]: === Iteration 121 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:12:55,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:55,852 INFO L85 PathProgramCache]: Analyzing trace with hash 373155208, now seen corresponding path program 45 times [2022-03-15 15:12:55,852 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:55,852 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926737927] [2022-03-15 15:12:55,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:55,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:56,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:56,077 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:56,077 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926737927] [2022-03-15 15:12:56,077 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926737927] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:56,077 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:56,077 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:12:56,077 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132046725] [2022-03-15 15:12:56,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:56,078 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:12:56,078 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:56,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:12:56,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:12:56,078 INFO L87 Difference]: Start difference. First operand 2857 states and 5543 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:57,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:12:57,866 INFO L93 Difference]: Finished difference Result 4722 states and 9092 transitions. [2022-03-15 15:12:57,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 15:12:57,866 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:12:57,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:12:57,871 INFO L225 Difference]: With dead ends: 4722 [2022-03-15 15:12:57,871 INFO L226 Difference]: Without dead ends: 4722 [2022-03-15 15:12:57,871 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1413 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=879, Invalid=4377, Unknown=0, NotChecked=0, Total=5256 [2022-03-15 15:12:57,871 INFO L933 BasicCegarLoop]: 326 mSDtfsCounter, 1020 mSDsluCounter, 3422 mSDsCounter, 0 mSdLazyCounter, 2964 mSolverCounterSat, 248 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1020 SdHoareTripleChecker+Valid, 3743 SdHoareTripleChecker+Invalid, 3212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 248 IncrementalHoareTripleChecker+Valid, 2964 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:12:57,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1020 Valid, 3743 Invalid, 3212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [248 Valid, 2964 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:12:57,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4722 states. [2022-03-15 15:12:57,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4722 to 2864. [2022-03-15 15:12:57,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2864 states, 2854 states have (on average 1.9470918009810791) internal successors, (5557), 2863 states have internal predecessors, (5557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:57,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2864 states to 2864 states and 5557 transitions. [2022-03-15 15:12:57,899 INFO L78 Accepts]: Start accepts. Automaton has 2864 states and 5557 transitions. Word has length 133 [2022-03-15 15:12:57,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:12:57,900 INFO L470 AbstractCegarLoop]: Abstraction has 2864 states and 5557 transitions. [2022-03-15 15:12:57,900 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:12:57,900 INFO L276 IsEmpty]: Start isEmpty. Operand 2864 states and 5557 transitions. [2022-03-15 15:12:57,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:12:57,901 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:12:57,901 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:12:57,901 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2022-03-15 15:12:57,901 INFO L402 AbstractCegarLoop]: === Iteration 122 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:12:57,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:12:57,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1875635222, now seen corresponding path program 46 times [2022-03-15 15:12:57,901 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:12:57,901 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030294688] [2022-03-15 15:12:57,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:12:57,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:12:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:12:58,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:12:58,135 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:12:58,135 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030294688] [2022-03-15 15:12:58,135 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030294688] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:12:58,135 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:12:58,135 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:12:58,135 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901430518] [2022-03-15 15:12:58,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:12:58,135 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:12:58,136 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:12:58,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:12:58,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=334, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:12:58,136 INFO L87 Difference]: Start difference. First operand 2864 states and 5557 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:00,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:00,205 INFO L93 Difference]: Finished difference Result 4825 states and 9302 transitions. [2022-03-15 15:13:00,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-15 15:13:00,205 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:13:00,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:00,210 INFO L225 Difference]: With dead ends: 4825 [2022-03-15 15:13:00,211 INFO L226 Difference]: Without dead ends: 4825 [2022-03-15 15:13:00,211 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1312 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=820, Invalid=4150, Unknown=0, NotChecked=0, Total=4970 [2022-03-15 15:13:00,211 INFO L933 BasicCegarLoop]: 339 mSDtfsCounter, 1272 mSDsluCounter, 3352 mSDsCounter, 0 mSdLazyCounter, 2933 mSolverCounterSat, 296 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1272 SdHoareTripleChecker+Valid, 3686 SdHoareTripleChecker+Invalid, 3229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 296 IncrementalHoareTripleChecker+Valid, 2933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:00,211 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1272 Valid, 3686 Invalid, 3229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [296 Valid, 2933 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 15:13:00,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4825 states. [2022-03-15 15:13:00,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4825 to 2847. [2022-03-15 15:13:00,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2847 states, 2837 states have (on average 1.946774762072612) internal successors, (5523), 2846 states have internal predecessors, (5523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:00,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2847 states to 2847 states and 5523 transitions. [2022-03-15 15:13:00,240 INFO L78 Accepts]: Start accepts. Automaton has 2847 states and 5523 transitions. Word has length 133 [2022-03-15 15:13:00,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:00,240 INFO L470 AbstractCegarLoop]: Abstraction has 2847 states and 5523 transitions. [2022-03-15 15:13:00,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:00,241 INFO L276 IsEmpty]: Start isEmpty. Operand 2847 states and 5523 transitions. [2022-03-15 15:13:00,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:13:00,241 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:00,241 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:00,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2022-03-15 15:13:00,242 INFO L402 AbstractCegarLoop]: === Iteration 123 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:13:00,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:00,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1549538778, now seen corresponding path program 47 times [2022-03-15 15:13:00,242 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:00,242 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546134255] [2022-03-15 15:13:00,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:00,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:00,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:00,472 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:00,472 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546134255] [2022-03-15 15:13:00,472 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546134255] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:00,472 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:00,472 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:13:00,472 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869939800] [2022-03-15 15:13:00,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:00,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:13:00,472 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:00,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:13:00,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:13:00,473 INFO L87 Difference]: Start difference. First operand 2847 states and 5523 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:02,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:02,883 INFO L93 Difference]: Finished difference Result 4765 states and 9175 transitions. [2022-03-15 15:13:02,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-15 15:13:02,884 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:13:02,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:02,889 INFO L225 Difference]: With dead ends: 4765 [2022-03-15 15:13:02,889 INFO L226 Difference]: Without dead ends: 4765 [2022-03-15 15:13:02,889 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1325 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=967, Invalid=4145, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 15:13:02,889 INFO L933 BasicCegarLoop]: 394 mSDtfsCounter, 1153 mSDsluCounter, 3282 mSDsCounter, 0 mSdLazyCounter, 3268 mSolverCounterSat, 333 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1153 SdHoareTripleChecker+Valid, 3670 SdHoareTripleChecker+Invalid, 3601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 333 IncrementalHoareTripleChecker+Valid, 3268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:02,889 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1153 Valid, 3670 Invalid, 3601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [333 Valid, 3268 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 15:13:02,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4765 states. [2022-03-15 15:13:02,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4765 to 2826. [2022-03-15 15:13:02,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2826 states, 2816 states have (on average 1.9463778409090908) internal successors, (5481), 2825 states have internal predecessors, (5481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:02,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2826 states to 2826 states and 5481 transitions. [2022-03-15 15:13:02,919 INFO L78 Accepts]: Start accepts. Automaton has 2826 states and 5481 transitions. Word has length 133 [2022-03-15 15:13:02,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:02,920 INFO L470 AbstractCegarLoop]: Abstraction has 2826 states and 5481 transitions. [2022-03-15 15:13:02,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:02,920 INFO L276 IsEmpty]: Start isEmpty. Operand 2826 states and 5481 transitions. [2022-03-15 15:13:02,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-03-15 15:13:02,921 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:02,921 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:02,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2022-03-15 15:13:02,921 INFO L402 AbstractCegarLoop]: === Iteration 124 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:13:02,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:02,921 INFO L85 PathProgramCache]: Analyzing trace with hash 496638088, now seen corresponding path program 48 times [2022-03-15 15:13:02,921 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:02,921 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585378514] [2022-03-15 15:13:02,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:02,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:03,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:03,147 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:03,148 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585378514] [2022-03-15 15:13:03,148 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585378514] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:03,148 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:03,148 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:13:03,148 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361152856] [2022-03-15 15:13:03,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:03,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:13:03,148 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:03,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:13:03,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:13:03,148 INFO L87 Difference]: Start difference. First operand 2826 states and 5481 transitions. Second operand has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:05,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:05,425 INFO L93 Difference]: Finished difference Result 4693 states and 9035 transitions. [2022-03-15 15:13:05,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2022-03-15 15:13:05,425 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 133 [2022-03-15 15:13:05,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:05,430 INFO L225 Difference]: With dead ends: 4693 [2022-03-15 15:13:05,430 INFO L226 Difference]: Without dead ends: 4693 [2022-03-15 15:13:05,430 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1231 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=903, Invalid=3927, Unknown=0, NotChecked=0, Total=4830 [2022-03-15 15:13:05,430 INFO L933 BasicCegarLoop]: 408 mSDtfsCounter, 1486 mSDsluCounter, 3387 mSDsCounter, 0 mSdLazyCounter, 3535 mSolverCounterSat, 360 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1486 SdHoareTripleChecker+Valid, 3789 SdHoareTripleChecker+Invalid, 3895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 360 IncrementalHoareTripleChecker+Valid, 3535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:05,430 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1486 Valid, 3789 Invalid, 3895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [360 Valid, 3535 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-03-15 15:13:05,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4693 states. [2022-03-15 15:13:05,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4693 to 2628. [2022-03-15 15:13:05,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2628 states, 2619 states have (on average 1.9415807560137457) internal successors, (5085), 2627 states have internal predecessors, (5085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:05,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2628 states to 2628 states and 5085 transitions. [2022-03-15 15:13:05,457 INFO L78 Accepts]: Start accepts. Automaton has 2628 states and 5085 transitions. Word has length 133 [2022-03-15 15:13:05,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:05,458 INFO L470 AbstractCegarLoop]: Abstraction has 2628 states and 5085 transitions. [2022-03-15 15:13:05,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.0) internal successors, (133), 20 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:05,458 INFO L276 IsEmpty]: Start isEmpty. Operand 2628 states and 5085 transitions. [2022-03-15 15:13:05,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:13:05,459 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:05,459 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:05,459 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2022-03-15 15:13:05,459 INFO L402 AbstractCegarLoop]: === Iteration 125 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:13:05,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:05,459 INFO L85 PathProgramCache]: Analyzing trace with hash -471777954, now seen corresponding path program 1 times [2022-03-15 15:13:05,459 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:05,459 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992518785] [2022-03-15 15:13:05,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:05,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:05,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:05,797 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:05,797 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992518785] [2022-03-15 15:13:05,797 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992518785] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:05,797 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:05,797 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:13:05,798 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399393705] [2022-03-15 15:13:05,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:05,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:13:05,798 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:05,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:13:05,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:13:05,798 INFO L87 Difference]: Start difference. First operand 2628 states and 5085 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:07,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:07,576 INFO L93 Difference]: Finished difference Result 3508 states and 6819 transitions. [2022-03-15 15:13:07,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-15 15:13:07,577 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:13:07,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:07,580 INFO L225 Difference]: With dead ends: 3508 [2022-03-15 15:13:07,580 INFO L226 Difference]: Without dead ends: 3508 [2022-03-15 15:13:07,581 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1160 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=762, Invalid=3528, Unknown=0, NotChecked=0, Total=4290 [2022-03-15 15:13:07,581 INFO L933 BasicCegarLoop]: 270 mSDtfsCounter, 1544 mSDsluCounter, 2918 mSDsCounter, 0 mSdLazyCounter, 2241 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1544 SdHoareTripleChecker+Valid, 3186 SdHoareTripleChecker+Invalid, 2393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 2241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:07,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1544 Valid, 3186 Invalid, 2393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 2241 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 15:13:07,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3508 states. [2022-03-15 15:13:07,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3508 to 2759. [2022-03-15 15:13:07,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2759 states, 2750 states have (on average 1.9443636363636363) internal successors, (5347), 2758 states have internal predecessors, (5347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:07,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2759 states and 5347 transitions. [2022-03-15 15:13:07,605 INFO L78 Accepts]: Start accepts. Automaton has 2759 states and 5347 transitions. Word has length 141 [2022-03-15 15:13:07,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:07,606 INFO L470 AbstractCegarLoop]: Abstraction has 2759 states and 5347 transitions. [2022-03-15 15:13:07,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:07,606 INFO L276 IsEmpty]: Start isEmpty. Operand 2759 states and 5347 transitions. [2022-03-15 15:13:07,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:13:07,607 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:07,607 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:07,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2022-03-15 15:13:07,607 INFO L402 AbstractCegarLoop]: === Iteration 126 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:13:07,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:07,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1971001216, now seen corresponding path program 2 times [2022-03-15 15:13:07,607 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:07,608 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027849494] [2022-03-15 15:13:07,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:07,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:07,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:07,860 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:07,860 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027849494] [2022-03-15 15:13:07,860 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027849494] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:07,860 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:07,860 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:13:07,860 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353448276] [2022-03-15 15:13:07,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:07,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:13:07,860 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:07,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:13:07,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:13:07,861 INFO L87 Difference]: Start difference. First operand 2759 states and 5347 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:09,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:09,841 INFO L93 Difference]: Finished difference Result 3550 states and 6901 transitions. [2022-03-15 15:13:09,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-15 15:13:09,841 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:13:09,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:09,845 INFO L225 Difference]: With dead ends: 3550 [2022-03-15 15:13:09,845 INFO L226 Difference]: Without dead ends: 3550 [2022-03-15 15:13:09,845 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1350 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=842, Invalid=3988, Unknown=0, NotChecked=0, Total=4830 [2022-03-15 15:13:09,845 INFO L933 BasicCegarLoop]: 278 mSDtfsCounter, 1412 mSDsluCounter, 3421 mSDsCounter, 0 mSdLazyCounter, 2713 mSolverCounterSat, 163 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1412 SdHoareTripleChecker+Valid, 3697 SdHoareTripleChecker+Invalid, 2876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 163 IncrementalHoareTripleChecker+Valid, 2713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:09,845 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1412 Valid, 3697 Invalid, 2876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [163 Valid, 2713 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 15:13:09,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3550 states. [2022-03-15 15:13:09,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3550 to 2770. [2022-03-15 15:13:09,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2770 states, 2761 states have (on average 1.9445852951829048) internal successors, (5369), 2769 states have internal predecessors, (5369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:09,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 2770 states and 5369 transitions. [2022-03-15 15:13:09,868 INFO L78 Accepts]: Start accepts. Automaton has 2770 states and 5369 transitions. Word has length 141 [2022-03-15 15:13:09,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:09,869 INFO L470 AbstractCegarLoop]: Abstraction has 2770 states and 5369 transitions. [2022-03-15 15:13:09,869 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:09,869 INFO L276 IsEmpty]: Start isEmpty. Operand 2770 states and 5369 transitions. [2022-03-15 15:13:09,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:13:09,870 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:09,870 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:09,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2022-03-15 15:13:09,870 INFO L402 AbstractCegarLoop]: === Iteration 127 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:13:09,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:09,870 INFO L85 PathProgramCache]: Analyzing trace with hash 162601502, now seen corresponding path program 3 times [2022-03-15 15:13:09,870 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:09,871 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093083097] [2022-03-15 15:13:09,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:09,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:10,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:10,230 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:10,230 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093083097] [2022-03-15 15:13:10,230 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093083097] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:10,230 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:10,230 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:13:10,230 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867647163] [2022-03-15 15:13:10,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:10,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:13:10,230 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:10,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:13:10,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:13:10,231 INFO L87 Difference]: Start difference. First operand 2770 states and 5369 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:12,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:12,264 INFO L93 Difference]: Finished difference Result 3586 states and 6971 transitions. [2022-03-15 15:13:12,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 15:13:12,264 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:13:12,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:12,268 INFO L225 Difference]: With dead ends: 3586 [2022-03-15 15:13:12,268 INFO L226 Difference]: Without dead ends: 3586 [2022-03-15 15:13:12,268 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1453 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=868, Invalid=4244, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 15:13:12,268 INFO L933 BasicCegarLoop]: 286 mSDtfsCounter, 1433 mSDsluCounter, 3082 mSDsCounter, 0 mSdLazyCounter, 2307 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1433 SdHoareTripleChecker+Valid, 3366 SdHoareTripleChecker+Invalid, 2518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 2307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:12,268 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1433 Valid, 3366 Invalid, 2518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 2307 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 15:13:12,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3586 states. [2022-03-15 15:13:12,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3586 to 2781. [2022-03-15 15:13:12,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2781 states, 2772 states have (on average 1.9448051948051948) internal successors, (5391), 2780 states have internal predecessors, (5391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:12,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2781 states to 2781 states and 5391 transitions. [2022-03-15 15:13:12,292 INFO L78 Accepts]: Start accepts. Automaton has 2781 states and 5391 transitions. Word has length 141 [2022-03-15 15:13:12,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:12,293 INFO L470 AbstractCegarLoop]: Abstraction has 2781 states and 5391 transitions. [2022-03-15 15:13:12,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:12,293 INFO L276 IsEmpty]: Start isEmpty. Operand 2781 states and 5391 transitions. [2022-03-15 15:13:12,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:13:12,294 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:12,294 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:12,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2022-03-15 15:13:12,296 INFO L402 AbstractCegarLoop]: === Iteration 128 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:13:12,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:12,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1547297472, now seen corresponding path program 4 times [2022-03-15 15:13:12,297 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:12,297 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608091475] [2022-03-15 15:13:12,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:12,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:12,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:12,616 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:12,616 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608091475] [2022-03-15 15:13:12,616 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608091475] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:12,616 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:12,617 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:13:12,617 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140944983] [2022-03-15 15:13:12,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:12,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:13:12,617 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:12,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:13:12,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:13:12,617 INFO L87 Difference]: Start difference. First operand 2781 states and 5391 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:14,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:14,365 INFO L93 Difference]: Finished difference Result 3628 states and 7053 transitions. [2022-03-15 15:13:14,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-15 15:13:14,366 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:13:14,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:14,370 INFO L225 Difference]: With dead ends: 3628 [2022-03-15 15:13:14,370 INFO L226 Difference]: Without dead ends: 3628 [2022-03-15 15:13:14,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1556 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=911, Invalid=4491, Unknown=0, NotChecked=0, Total=5402 [2022-03-15 15:13:14,371 INFO L933 BasicCegarLoop]: 294 mSDtfsCounter, 1586 mSDsluCounter, 2863 mSDsCounter, 0 mSdLazyCounter, 2127 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1586 SdHoareTripleChecker+Valid, 3155 SdHoareTripleChecker+Invalid, 2377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 2127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:14,371 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1586 Valid, 3155 Invalid, 2377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 2127 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 15:13:14,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3628 states. [2022-03-15 15:13:14,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3628 to 2792. [2022-03-15 15:13:14,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2792 states, 2783 states have (on average 1.9450233560905497) internal successors, (5413), 2791 states have internal predecessors, (5413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:14,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2792 states to 2792 states and 5413 transitions. [2022-03-15 15:13:14,398 INFO L78 Accepts]: Start accepts. Automaton has 2792 states and 5413 transitions. Word has length 141 [2022-03-15 15:13:14,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:14,398 INFO L470 AbstractCegarLoop]: Abstraction has 2792 states and 5413 transitions. [2022-03-15 15:13:14,398 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:14,399 INFO L276 IsEmpty]: Start isEmpty. Operand 2792 states and 5413 transitions. [2022-03-15 15:13:14,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:13:14,400 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:14,400 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:14,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2022-03-15 15:13:14,401 INFO L402 AbstractCegarLoop]: === Iteration 129 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:13:14,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:14,401 INFO L85 PathProgramCache]: Analyzing trace with hash -90528034, now seen corresponding path program 5 times [2022-03-15 15:13:14,401 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:14,402 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855796543] [2022-03-15 15:13:14,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:14,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:14,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:14,610 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:14,610 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855796543] [2022-03-15 15:13:14,610 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855796543] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:14,610 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:14,611 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:13:14,611 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109587958] [2022-03-15 15:13:14,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:14,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:13:14,611 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:14,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:13:14,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:13:14,613 INFO L87 Difference]: Start difference. First operand 2792 states and 5413 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:16,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:16,709 INFO L93 Difference]: Finished difference Result 4623 states and 8970 transitions. [2022-03-15 15:13:16,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-15 15:13:16,709 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:13:16,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:16,714 INFO L225 Difference]: With dead ends: 4623 [2022-03-15 15:13:16,714 INFO L226 Difference]: Without dead ends: 4623 [2022-03-15 15:13:16,714 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1614 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=936, Invalid=4614, Unknown=0, NotChecked=0, Total=5550 [2022-03-15 15:13:16,715 INFO L933 BasicCegarLoop]: 314 mSDtfsCounter, 1998 mSDsluCounter, 3768 mSDsCounter, 0 mSdLazyCounter, 2908 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1998 SdHoareTripleChecker+Valid, 4080 SdHoareTripleChecker+Invalid, 3072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 2908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:16,715 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1998 Valid, 4080 Invalid, 3072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 2908 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:13:16,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4623 states. [2022-03-15 15:13:16,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4623 to 2876. [2022-03-15 15:13:16,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2876 states, 2867 states have (on average 1.9466341123125217) internal successors, (5581), 2875 states have internal predecessors, (5581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:16,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2876 states and 5581 transitions. [2022-03-15 15:13:16,742 INFO L78 Accepts]: Start accepts. Automaton has 2876 states and 5581 transitions. Word has length 141 [2022-03-15 15:13:16,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:16,742 INFO L470 AbstractCegarLoop]: Abstraction has 2876 states and 5581 transitions. [2022-03-15 15:13:16,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:16,743 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 5581 transitions. [2022-03-15 15:13:16,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:13:16,744 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:16,744 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:16,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2022-03-15 15:13:16,744 INFO L402 AbstractCegarLoop]: === Iteration 130 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:13:16,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:16,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1807168428, now seen corresponding path program 6 times [2022-03-15 15:13:16,744 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:16,744 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226142407] [2022-03-15 15:13:16,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:16,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:17,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:17,064 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:17,064 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226142407] [2022-03-15 15:13:17,064 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226142407] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:17,064 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:17,064 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:13:17,064 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813618149] [2022-03-15 15:13:17,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:17,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:13:17,065 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:17,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:13:17,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:13:17,065 INFO L87 Difference]: Start difference. First operand 2876 states and 5581 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:18,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:18,445 INFO L93 Difference]: Finished difference Result 3187 states and 6156 transitions. [2022-03-15 15:13:18,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-15 15:13:18,445 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:13:18,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:18,448 INFO L225 Difference]: With dead ends: 3187 [2022-03-15 15:13:18,448 INFO L226 Difference]: Without dead ends: 3187 [2022-03-15 15:13:18,449 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1186 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=829, Invalid=3593, Unknown=0, NotChecked=0, Total=4422 [2022-03-15 15:13:18,449 INFO L933 BasicCegarLoop]: 308 mSDtfsCounter, 1328 mSDsluCounter, 2749 mSDsCounter, 0 mSdLazyCounter, 1974 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1328 SdHoareTripleChecker+Valid, 3055 SdHoareTripleChecker+Invalid, 2149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 1974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:18,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1328 Valid, 3055 Invalid, 2149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 1974 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 15:13:18,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3187 states. [2022-03-15 15:13:18,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3187 to 2876. [2022-03-15 15:13:18,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2876 states, 2867 states have (on average 1.9466341123125217) internal successors, (5581), 2875 states have internal predecessors, (5581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:18,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2876 states and 5581 transitions. [2022-03-15 15:13:18,473 INFO L78 Accepts]: Start accepts. Automaton has 2876 states and 5581 transitions. Word has length 141 [2022-03-15 15:13:18,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:18,473 INFO L470 AbstractCegarLoop]: Abstraction has 2876 states and 5581 transitions. [2022-03-15 15:13:18,474 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:18,474 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 5581 transitions. [2022-03-15 15:13:18,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:13:18,475 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:18,475 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:18,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2022-03-15 15:13:18,475 INFO L402 AbstractCegarLoop]: === Iteration 131 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:13:18,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:18,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1713242206, now seen corresponding path program 7 times [2022-03-15 15:13:18,475 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:18,475 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537028790] [2022-03-15 15:13:18,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:18,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:18,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:18,930 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:18,930 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537028790] [2022-03-15 15:13:18,930 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537028790] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:18,930 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:18,930 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:13:18,930 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697667725] [2022-03-15 15:13:18,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:18,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:13:18,930 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:18,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:13:18,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:13:18,931 INFO L87 Difference]: Start difference. First operand 2876 states and 5581 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:20,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:20,310 INFO L93 Difference]: Finished difference Result 3219 states and 6219 transitions. [2022-03-15 15:13:20,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-15 15:13:20,310 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:13:20,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:20,313 INFO L225 Difference]: With dead ends: 3219 [2022-03-15 15:13:20,313 INFO L226 Difference]: Without dead ends: 3219 [2022-03-15 15:13:20,313 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1343 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=932, Invalid=3898, Unknown=0, NotChecked=0, Total=4830 [2022-03-15 15:13:20,314 INFO L933 BasicCegarLoop]: 309 mSDtfsCounter, 1207 mSDsluCounter, 2657 mSDsCounter, 0 mSdLazyCounter, 1865 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1207 SdHoareTripleChecker+Valid, 2964 SdHoareTripleChecker+Invalid, 2040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 1865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:20,314 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1207 Valid, 2964 Invalid, 2040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [175 Valid, 1865 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 15:13:20,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3219 states. [2022-03-15 15:13:20,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3219 to 2882. [2022-03-15 15:13:20,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2882 states, 2873 states have (on average 1.9467455621301775) internal successors, (5593), 2881 states have internal predecessors, (5593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:20,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2882 states to 2882 states and 5593 transitions. [2022-03-15 15:13:20,336 INFO L78 Accepts]: Start accepts. Automaton has 2882 states and 5593 transitions. Word has length 141 [2022-03-15 15:13:20,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:20,336 INFO L470 AbstractCegarLoop]: Abstraction has 2882 states and 5593 transitions. [2022-03-15 15:13:20,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:20,336 INFO L276 IsEmpty]: Start isEmpty. Operand 2882 states and 5593 transitions. [2022-03-15 15:13:20,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:13:20,338 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:20,338 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:20,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2022-03-15 15:13:20,338 INFO L402 AbstractCegarLoop]: === Iteration 132 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:13:20,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:20,338 INFO L85 PathProgramCache]: Analyzing trace with hash -138945920, now seen corresponding path program 8 times [2022-03-15 15:13:20,338 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:20,338 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320947772] [2022-03-15 15:13:20,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:20,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:20,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:20,714 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:20,714 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320947772] [2022-03-15 15:13:20,715 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320947772] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:20,715 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:20,715 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:13:20,715 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69159952] [2022-03-15 15:13:20,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:20,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:13:20,715 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:20,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:13:20,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:13:20,715 INFO L87 Difference]: Start difference. First operand 2882 states and 5593 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:22,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:22,801 INFO L93 Difference]: Finished difference Result 3227 states and 6234 transitions. [2022-03-15 15:13:22,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 15:13:22,801 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:13:22,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:22,804 INFO L225 Difference]: With dead ends: 3227 [2022-03-15 15:13:22,804 INFO L226 Difference]: Without dead ends: 3227 [2022-03-15 15:13:22,805 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1434 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=973, Invalid=4139, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 15:13:22,805 INFO L933 BasicCegarLoop]: 317 mSDtfsCounter, 1242 mSDsluCounter, 3303 mSDsCounter, 0 mSdLazyCounter, 2544 mSolverCounterSat, 165 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1242 SdHoareTripleChecker+Valid, 3618 SdHoareTripleChecker+Invalid, 2709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 165 IncrementalHoareTripleChecker+Valid, 2544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:22,805 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1242 Valid, 3618 Invalid, 2709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [165 Valid, 2544 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:13:22,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3227 states. [2022-03-15 15:13:22,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3227 to 2876. [2022-03-15 15:13:22,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2876 states, 2867 states have (on average 1.9466341123125217) internal successors, (5581), 2875 states have internal predecessors, (5581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:22,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2876 states and 5581 transitions. [2022-03-15 15:13:22,829 INFO L78 Accepts]: Start accepts. Automaton has 2876 states and 5581 transitions. Word has length 141 [2022-03-15 15:13:22,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:22,830 INFO L470 AbstractCegarLoop]: Abstraction has 2876 states and 5581 transitions. [2022-03-15 15:13:22,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:22,830 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 5581 transitions. [2022-03-15 15:13:22,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:13:22,831 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:22,831 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:22,831 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2022-03-15 15:13:22,831 INFO L402 AbstractCegarLoop]: === Iteration 133 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:13:22,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:22,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1132222956, now seen corresponding path program 9 times [2022-03-15 15:13:22,832 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:22,832 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284152579] [2022-03-15 15:13:22,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:22,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:23,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:23,199 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:23,199 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284152579] [2022-03-15 15:13:23,199 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284152579] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:23,199 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:23,199 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:13:23,199 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245307670] [2022-03-15 15:13:23,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:23,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:13:23,199 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:23,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:13:23,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:13:23,200 INFO L87 Difference]: Start difference. First operand 2876 states and 5581 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:24,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:24,906 INFO L93 Difference]: Finished difference Result 3220 states and 6222 transitions. [2022-03-15 15:13:24,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 15:13:24,907 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:13:24,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:24,910 INFO L225 Difference]: With dead ends: 3220 [2022-03-15 15:13:24,910 INFO L226 Difference]: Without dead ends: 3220 [2022-03-15 15:13:24,910 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1249 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=863, Invalid=3693, Unknown=0, NotChecked=0, Total=4556 [2022-03-15 15:13:24,911 INFO L933 BasicCegarLoop]: 282 mSDtfsCounter, 1095 mSDsluCounter, 2632 mSDsCounter, 0 mSdLazyCounter, 1843 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1095 SdHoareTripleChecker+Valid, 2912 SdHoareTripleChecker+Invalid, 2010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 1843 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:24,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1095 Valid, 2912 Invalid, 2010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 1843 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 15:13:24,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3220 states. [2022-03-15 15:13:24,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3220 to 2888. [2022-03-15 15:13:24,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2888 states, 2879 states have (on average 1.9468565474122959) internal successors, (5605), 2887 states have internal predecessors, (5605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:24,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2888 states to 2888 states and 5605 transitions. [2022-03-15 15:13:24,934 INFO L78 Accepts]: Start accepts. Automaton has 2888 states and 5605 transitions. Word has length 141 [2022-03-15 15:13:24,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:24,934 INFO L470 AbstractCegarLoop]: Abstraction has 2888 states and 5605 transitions. [2022-03-15 15:13:24,934 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:24,934 INFO L276 IsEmpty]: Start isEmpty. Operand 2888 states and 5605 transitions. [2022-03-15 15:13:24,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:13:24,935 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:24,935 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:24,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2022-03-15 15:13:24,935 INFO L402 AbstractCegarLoop]: === Iteration 134 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:13:24,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:24,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1310556214, now seen corresponding path program 10 times [2022-03-15 15:13:24,936 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:24,936 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270456501] [2022-03-15 15:13:24,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:24,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:25,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:25,268 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:25,268 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270456501] [2022-03-15 15:13:25,268 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270456501] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:25,268 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:25,268 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:13:25,268 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223150514] [2022-03-15 15:13:25,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:25,268 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:13:25,268 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:25,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:13:25,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:13:25,269 INFO L87 Difference]: Start difference. First operand 2888 states and 5605 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:26,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:26,836 INFO L93 Difference]: Finished difference Result 3254 states and 6288 transitions. [2022-03-15 15:13:26,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 15:13:26,836 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:13:26,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:26,839 INFO L225 Difference]: With dead ends: 3254 [2022-03-15 15:13:26,839 INFO L226 Difference]: Without dead ends: 3254 [2022-03-15 15:13:26,840 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1439 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=966, Invalid=4146, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 15:13:26,840 INFO L933 BasicCegarLoop]: 290 mSDtfsCounter, 1206 mSDsluCounter, 3026 mSDsCounter, 0 mSdLazyCounter, 2327 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1206 SdHoareTripleChecker+Valid, 3314 SdHoareTripleChecker+Invalid, 2510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 2327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:26,840 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1206 Valid, 3314 Invalid, 2510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 2327 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 15:13:26,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3254 states. [2022-03-15 15:13:26,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3254 to 2882. [2022-03-15 15:13:26,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2882 states, 2873 states have (on average 1.9467455621301775) internal successors, (5593), 2881 states have internal predecessors, (5593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:26,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2882 states to 2882 states and 5593 transitions. [2022-03-15 15:13:26,865 INFO L78 Accepts]: Start accepts. Automaton has 2882 states and 5593 transitions. Word has length 141 [2022-03-15 15:13:26,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:26,865 INFO L470 AbstractCegarLoop]: Abstraction has 2882 states and 5593 transitions. [2022-03-15 15:13:26,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:26,865 INFO L276 IsEmpty]: Start isEmpty. Operand 2882 states and 5593 transitions. [2022-03-15 15:13:26,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:13:26,866 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:26,866 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:26,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2022-03-15 15:13:26,867 INFO L402 AbstractCegarLoop]: === Iteration 135 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:13:26,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:26,870 INFO L85 PathProgramCache]: Analyzing trace with hash -497843500, now seen corresponding path program 11 times [2022-03-15 15:13:26,870 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:26,871 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068372115] [2022-03-15 15:13:26,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:26,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:27,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:27,214 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:27,214 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068372115] [2022-03-15 15:13:27,214 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068372115] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:27,215 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:27,215 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:13:27,215 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473930071] [2022-03-15 15:13:27,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:27,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:13:27,215 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:27,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:13:27,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:13:27,215 INFO L87 Difference]: Start difference. First operand 2882 states and 5593 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:29,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:29,036 INFO L93 Difference]: Finished difference Result 3267 states and 6312 transitions. [2022-03-15 15:13:29,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 15:13:29,036 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:13:29,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:29,039 INFO L225 Difference]: With dead ends: 3267 [2022-03-15 15:13:29,039 INFO L226 Difference]: Without dead ends: 3267 [2022-03-15 15:13:29,040 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1430 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=943, Invalid=4169, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 15:13:29,040 INFO L933 BasicCegarLoop]: 299 mSDtfsCounter, 1102 mSDsluCounter, 3357 mSDsCounter, 0 mSdLazyCounter, 2538 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1102 SdHoareTripleChecker+Valid, 3654 SdHoareTripleChecker+Invalid, 2720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 2538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:29,040 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1102 Valid, 3654 Invalid, 2720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 2538 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 15:13:29,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3267 states. [2022-03-15 15:13:29,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3267 to 2876. [2022-03-15 15:13:29,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2876 states, 2867 states have (on average 1.9466341123125217) internal successors, (5581), 2875 states have internal predecessors, (5581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:29,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2876 states and 5581 transitions. [2022-03-15 15:13:29,062 INFO L78 Accepts]: Start accepts. Automaton has 2876 states and 5581 transitions. Word has length 141 [2022-03-15 15:13:29,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:29,063 INFO L470 AbstractCegarLoop]: Abstraction has 2876 states and 5581 transitions. [2022-03-15 15:13:29,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:29,063 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 5581 transitions. [2022-03-15 15:13:29,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:13:29,064 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:29,064 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:29,064 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2022-03-15 15:13:29,064 INFO L402 AbstractCegarLoop]: === Iteration 136 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:13:29,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:29,064 INFO L85 PathProgramCache]: Analyzing trace with hash -137793890, now seen corresponding path program 12 times [2022-03-15 15:13:29,065 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:29,065 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054567807] [2022-03-15 15:13:29,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:29,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:29,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:29,420 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:29,420 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054567807] [2022-03-15 15:13:29,420 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054567807] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:29,420 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:29,420 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:13:29,420 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113026587] [2022-03-15 15:13:29,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:29,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:13:29,420 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:29,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:13:29,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:13:29,421 INFO L87 Difference]: Start difference. First operand 2876 states and 5581 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:31,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:31,026 INFO L93 Difference]: Finished difference Result 3206 states and 6194 transitions. [2022-03-15 15:13:31,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-03-15 15:13:31,027 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:13:31,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:31,030 INFO L225 Difference]: With dead ends: 3206 [2022-03-15 15:13:31,030 INFO L226 Difference]: Without dead ends: 3206 [2022-03-15 15:13:31,030 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1153 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=797, Invalid=3493, Unknown=0, NotChecked=0, Total=4290 [2022-03-15 15:13:31,031 INFO L933 BasicCegarLoop]: 266 mSDtfsCounter, 1074 mSDsluCounter, 2678 mSDsCounter, 0 mSdLazyCounter, 1929 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1074 SdHoareTripleChecker+Valid, 2942 SdHoareTripleChecker+Invalid, 2098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 1929 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:31,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1074 Valid, 2942 Invalid, 2098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 1929 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 15:13:31,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3206 states. [2022-03-15 15:13:31,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3206 to 2870. [2022-03-15 15:13:31,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2870 states, 2861 states have (on average 1.9465221950367004) internal successors, (5569), 2869 states have internal predecessors, (5569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:31,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2870 states to 2870 states and 5569 transitions. [2022-03-15 15:13:31,056 INFO L78 Accepts]: Start accepts. Automaton has 2870 states and 5569 transitions. Word has length 141 [2022-03-15 15:13:31,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:31,056 INFO L470 AbstractCegarLoop]: Abstraction has 2870 states and 5569 transitions. [2022-03-15 15:13:31,057 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:31,057 INFO L276 IsEmpty]: Start isEmpty. Operand 2870 states and 5569 transitions. [2022-03-15 15:13:31,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:13:31,058 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:31,058 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:31,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2022-03-15 15:13:31,058 INFO L402 AbstractCegarLoop]: === Iteration 137 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:13:31,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:31,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1989982016, now seen corresponding path program 13 times [2022-03-15 15:13:31,059 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:31,059 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915952162] [2022-03-15 15:13:31,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:31,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:31,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:31,365 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:31,365 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915952162] [2022-03-15 15:13:31,365 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915952162] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:31,366 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:31,366 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:13:31,366 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502897436] [2022-03-15 15:13:31,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:31,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:13:31,366 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:31,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:13:31,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:13:31,366 INFO L87 Difference]: Start difference. First operand 2870 states and 5569 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:33,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:33,398 INFO L93 Difference]: Finished difference Result 3240 states and 6260 transitions. [2022-03-15 15:13:33,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2022-03-15 15:13:33,399 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:13:33,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:33,402 INFO L225 Difference]: With dead ends: 3240 [2022-03-15 15:13:33,402 INFO L226 Difference]: Without dead ends: 3240 [2022-03-15 15:13:33,402 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1338 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=888, Invalid=3942, Unknown=0, NotChecked=0, Total=4830 [2022-03-15 15:13:33,402 INFO L933 BasicCegarLoop]: 274 mSDtfsCounter, 1075 mSDsluCounter, 3319 mSDsCounter, 0 mSdLazyCounter, 2574 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1075 SdHoareTripleChecker+Valid, 3591 SdHoareTripleChecker+Invalid, 2754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 2574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:33,402 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1075 Valid, 3591 Invalid, 2754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 2574 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:13:33,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3240 states. [2022-03-15 15:13:33,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3240 to 2864. [2022-03-15 15:13:33,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2864 states, 2855 states have (on average 1.9464098073555167) internal successors, (5557), 2863 states have internal predecessors, (5557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:33,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2864 states to 2864 states and 5557 transitions. [2022-03-15 15:13:33,426 INFO L78 Accepts]: Start accepts. Automaton has 2864 states and 5557 transitions. Word has length 141 [2022-03-15 15:13:33,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:33,426 INFO L470 AbstractCegarLoop]: Abstraction has 2864 states and 5557 transitions. [2022-03-15 15:13:33,426 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:33,427 INFO L276 IsEmpty]: Start isEmpty. Operand 2864 states and 5557 transitions. [2022-03-15 15:13:33,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:13:33,428 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:33,428 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:33,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable136 [2022-03-15 15:13:33,428 INFO L402 AbstractCegarLoop]: === Iteration 138 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:13:33,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:33,428 INFO L85 PathProgramCache]: Analyzing trace with hash 496585566, now seen corresponding path program 14 times [2022-03-15 15:13:33,428 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:33,428 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769340837] [2022-03-15 15:13:33,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:33,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:33,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:33,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:33,807 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:33,807 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769340837] [2022-03-15 15:13:33,807 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769340837] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:33,807 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:33,807 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:13:33,807 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323420577] [2022-03-15 15:13:33,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:33,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:13:33,807 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:33,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:13:33,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:13:33,808 INFO L87 Difference]: Start difference. First operand 2864 states and 5557 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:35,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:35,469 INFO L93 Difference]: Finished difference Result 3271 states and 6320 transitions. [2022-03-15 15:13:35,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 15:13:35,469 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:13:35,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:35,473 INFO L225 Difference]: With dead ends: 3271 [2022-03-15 15:13:35,473 INFO L226 Difference]: Without dead ends: 3271 [2022-03-15 15:13:35,473 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1437 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=924, Invalid=4188, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 15:13:35,474 INFO L933 BasicCegarLoop]: 283 mSDtfsCounter, 1177 mSDsluCounter, 3462 mSDsCounter, 0 mSdLazyCounter, 2806 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1177 SdHoareTripleChecker+Valid, 3743 SdHoareTripleChecker+Invalid, 2989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 2806 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:35,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1177 Valid, 3743 Invalid, 2989 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 2806 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:13:35,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3271 states. [2022-03-15 15:13:35,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3271 to 2858. [2022-03-15 15:13:35,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2858 states, 2849 states have (on average 1.9462969462969464) internal successors, (5545), 2857 states have internal predecessors, (5545), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:35,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2858 states to 2858 states and 5545 transitions. [2022-03-15 15:13:35,498 INFO L78 Accepts]: Start accepts. Automaton has 2858 states and 5545 transitions. Word has length 141 [2022-03-15 15:13:35,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:35,498 INFO L470 AbstractCegarLoop]: Abstraction has 2858 states and 5545 transitions. [2022-03-15 15:13:35,498 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:35,498 INFO L276 IsEmpty]: Start isEmpty. Operand 2858 states and 5545 transitions. [2022-03-15 15:13:35,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:13:35,500 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:35,500 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:35,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2022-03-15 15:13:35,500 INFO L402 AbstractCegarLoop]: === Iteration 139 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:13:35,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:35,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1881281536, now seen corresponding path program 15 times [2022-03-15 15:13:35,500 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:35,500 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499215597] [2022-03-15 15:13:35,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:35,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:35,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:35,738 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:35,738 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499215597] [2022-03-15 15:13:35,738 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499215597] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:35,738 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:35,738 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:13:35,739 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731638985] [2022-03-15 15:13:35,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:35,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:13:35,739 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:35,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:13:35,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:13:35,739 INFO L87 Difference]: Start difference. First operand 2858 states and 5545 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:37,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:37,480 INFO L93 Difference]: Finished difference Result 3267 states and 6310 transitions. [2022-03-15 15:13:37,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 15:13:37,481 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:13:37,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:37,484 INFO L225 Difference]: With dead ends: 3267 [2022-03-15 15:13:37,484 INFO L226 Difference]: Without dead ends: 3267 [2022-03-15 15:13:37,484 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1428 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=917, Invalid=4195, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 15:13:37,485 INFO L933 BasicCegarLoop]: 291 mSDtfsCounter, 1217 mSDsluCounter, 3167 mSDsCounter, 0 mSdLazyCounter, 2465 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1217 SdHoareTripleChecker+Valid, 3456 SdHoareTripleChecker+Invalid, 2657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 2465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:37,485 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1217 Valid, 3456 Invalid, 2657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 2465 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:13:37,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3267 states. [2022-03-15 15:13:37,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3267 to 2836. [2022-03-15 15:13:37,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2836 states, 2827 states have (on average 1.9458790237000354) internal successors, (5501), 2835 states have internal predecessors, (5501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:37,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2836 states to 2836 states and 5501 transitions. [2022-03-15 15:13:37,507 INFO L78 Accepts]: Start accepts. Automaton has 2836 states and 5501 transitions. Word has length 141 [2022-03-15 15:13:37,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:37,508 INFO L470 AbstractCegarLoop]: Abstraction has 2836 states and 5501 transitions. [2022-03-15 15:13:37,508 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:37,508 INFO L276 IsEmpty]: Start isEmpty. Operand 2836 states and 5501 transitions. [2022-03-15 15:13:37,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:13:37,509 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:37,509 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:37,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2022-03-15 15:13:37,509 INFO L402 AbstractCegarLoop]: === Iteration 140 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:13:37,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:37,509 INFO L85 PathProgramCache]: Analyzing trace with hash 3499958, now seen corresponding path program 16 times [2022-03-15 15:13:37,509 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:37,509 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6137130] [2022-03-15 15:13:37,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:37,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:37,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:37,828 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:37,828 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6137130] [2022-03-15 15:13:37,828 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6137130] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:37,828 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:37,828 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:13:37,828 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980589895] [2022-03-15 15:13:37,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:37,829 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:13:37,829 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:37,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:13:37,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:13:37,829 INFO L87 Difference]: Start difference. First operand 2836 states and 5501 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:39,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:39,366 INFO L93 Difference]: Finished difference Result 4325 states and 8408 transitions. [2022-03-15 15:13:39,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 15:13:39,367 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:13:39,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:39,371 INFO L225 Difference]: With dead ends: 4325 [2022-03-15 15:13:39,371 INFO L226 Difference]: Without dead ends: 4325 [2022-03-15 15:13:39,371 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1239 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=741, Invalid=3815, Unknown=0, NotChecked=0, Total=4556 [2022-03-15 15:13:39,372 INFO L933 BasicCegarLoop]: 306 mSDtfsCounter, 1334 mSDsluCounter, 3031 mSDsCounter, 0 mSdLazyCounter, 1975 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1334 SdHoareTripleChecker+Valid, 3335 SdHoareTripleChecker+Invalid, 2091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 1975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:39,372 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1334 Valid, 3335 Invalid, 2091 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 1975 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 15:13:39,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4325 states. [2022-03-15 15:13:39,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4325 to 2938. [2022-03-15 15:13:39,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2938 states, 2929 states have (on average 1.9477637418914304) internal successors, (5705), 2937 states have internal predecessors, (5705), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:39,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2938 states to 2938 states and 5705 transitions. [2022-03-15 15:13:39,402 INFO L78 Accepts]: Start accepts. Automaton has 2938 states and 5705 transitions. Word has length 141 [2022-03-15 15:13:39,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:39,403 INFO L470 AbstractCegarLoop]: Abstraction has 2938 states and 5705 transitions. [2022-03-15 15:13:39,403 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:39,403 INFO L276 IsEmpty]: Start isEmpty. Operand 2938 states and 5705 transitions. [2022-03-15 15:13:39,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:13:39,404 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:39,404 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:39,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2022-03-15 15:13:39,404 INFO L402 AbstractCegarLoop]: === Iteration 141 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:13:39,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:39,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1848688168, now seen corresponding path program 17 times [2022-03-15 15:13:39,407 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:39,407 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526841912] [2022-03-15 15:13:39,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:39,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:39,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:39,680 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:39,680 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526841912] [2022-03-15 15:13:39,680 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526841912] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:39,680 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:39,680 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:13:39,680 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366149429] [2022-03-15 15:13:39,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:39,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:13:39,681 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:39,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:13:39,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:13:39,681 INFO L87 Difference]: Start difference. First operand 2938 states and 5705 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:41,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:41,245 INFO L93 Difference]: Finished difference Result 4359 states and 8474 transitions. [2022-03-15 15:13:41,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 15:13:41,246 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:13:41,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:41,250 INFO L225 Difference]: With dead ends: 4359 [2022-03-15 15:13:41,250 INFO L226 Difference]: Without dead ends: 4359 [2022-03-15 15:13:41,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1440 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=811, Invalid=4301, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 15:13:41,251 INFO L933 BasicCegarLoop]: 314 mSDtfsCounter, 1210 mSDsluCounter, 3684 mSDsCounter, 0 mSdLazyCounter, 2722 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1210 SdHoareTripleChecker+Valid, 3996 SdHoareTripleChecker+Invalid, 2860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 2722 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:41,251 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1210 Valid, 3996 Invalid, 2860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 2722 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:13:41,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4359 states. [2022-03-15 15:13:41,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4359 to 2932. [2022-03-15 15:13:41,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2932 states, 2923 states have (on average 1.9476565172767704) internal successors, (5693), 2931 states have internal predecessors, (5693), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:41,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 2932 states and 5693 transitions. [2022-03-15 15:13:41,281 INFO L78 Accepts]: Start accepts. Automaton has 2932 states and 5693 transitions. Word has length 141 [2022-03-15 15:13:41,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:41,281 INFO L470 AbstractCegarLoop]: Abstraction has 2932 states and 5693 transitions. [2022-03-15 15:13:41,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:41,282 INFO L276 IsEmpty]: Start isEmpty. Operand 2932 states and 5693 transitions. [2022-03-15 15:13:41,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:13:41,283 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:41,283 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:41,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2022-03-15 15:13:41,283 INFO L402 AbstractCegarLoop]: === Iteration 142 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:13:41,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:41,283 INFO L85 PathProgramCache]: Analyzing trace with hash 637879414, now seen corresponding path program 18 times [2022-03-15 15:13:41,283 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:41,283 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328358029] [2022-03-15 15:13:41,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:41,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:41,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:41,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:41,530 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:41,530 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328358029] [2022-03-15 15:13:41,530 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328358029] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:41,530 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:41,530 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:13:41,530 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114347829] [2022-03-15 15:13:41,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:41,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:13:41,530 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:41,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:13:41,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:13:41,531 INFO L87 Difference]: Start difference. First operand 2932 states and 5693 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:43,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:43,181 INFO L93 Difference]: Finished difference Result 4390 states and 8534 transitions. [2022-03-15 15:13:43,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-15 15:13:43,181 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:13:43,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:43,185 INFO L225 Difference]: With dead ends: 4390 [2022-03-15 15:13:43,185 INFO L226 Difference]: Without dead ends: 4390 [2022-03-15 15:13:43,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1549 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=828, Invalid=4574, Unknown=0, NotChecked=0, Total=5402 [2022-03-15 15:13:43,186 INFO L933 BasicCegarLoop]: 323 mSDtfsCounter, 1344 mSDsluCounter, 3742 mSDsCounter, 0 mSdLazyCounter, 2923 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1344 SdHoareTripleChecker+Valid, 4063 SdHoareTripleChecker+Invalid, 3096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 2923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:43,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1344 Valid, 4063 Invalid, 3096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 2923 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:13:43,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4390 states. [2022-03-15 15:13:43,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4390 to 2926. [2022-03-15 15:13:43,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2926 states, 2917 states have (on average 1.9475488515598218) internal successors, (5681), 2925 states have internal predecessors, (5681), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:43,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2926 states to 2926 states and 5681 transitions. [2022-03-15 15:13:43,212 INFO L78 Accepts]: Start accepts. Automaton has 2926 states and 5681 transitions. Word has length 141 [2022-03-15 15:13:43,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:43,212 INFO L470 AbstractCegarLoop]: Abstraction has 2926 states and 5681 transitions. [2022-03-15 15:13:43,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:43,212 INFO L276 IsEmpty]: Start isEmpty. Operand 2926 states and 5681 transitions. [2022-03-15 15:13:43,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:13:43,213 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:43,215 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:43,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2022-03-15 15:13:43,215 INFO L402 AbstractCegarLoop]: === Iteration 143 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:13:43,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:43,216 INFO L85 PathProgramCache]: Analyzing trace with hash 2022575384, now seen corresponding path program 19 times [2022-03-15 15:13:43,216 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:43,216 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328741243] [2022-03-15 15:13:43,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:43,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:43,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:43,456 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:43,456 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328741243] [2022-03-15 15:13:43,456 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328741243] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:43,456 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:43,456 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:13:43,456 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491250596] [2022-03-15 15:13:43,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:43,457 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:13:43,457 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:43,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:13:43,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:13:43,457 INFO L87 Difference]: Start difference. First operand 2926 states and 5681 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:45,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:45,684 INFO L93 Difference]: Finished difference Result 4424 states and 8600 transitions. [2022-03-15 15:13:45,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-15 15:13:45,684 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:13:45,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:45,688 INFO L225 Difference]: With dead ends: 4424 [2022-03-15 15:13:45,688 INFO L226 Difference]: Without dead ends: 4424 [2022-03-15 15:13:45,689 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1659 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=862, Invalid=4838, Unknown=0, NotChecked=0, Total=5700 [2022-03-15 15:13:45,689 INFO L933 BasicCegarLoop]: 331 mSDtfsCounter, 1345 mSDsluCounter, 3791 mSDsCounter, 0 mSdLazyCounter, 2874 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1345 SdHoareTripleChecker+Valid, 4120 SdHoareTripleChecker+Invalid, 3057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 2874 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:45,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1345 Valid, 4120 Invalid, 3057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 2874 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:13:45,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4424 states. [2022-03-15 15:13:45,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4424 to 2920. [2022-03-15 15:13:45,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2920 states, 2911 states have (on average 1.947440742013054) internal successors, (5669), 2919 states have internal predecessors, (5669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:45,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2920 states and 5669 transitions. [2022-03-15 15:13:45,716 INFO L78 Accepts]: Start accepts. Automaton has 2920 states and 5669 transitions. Word has length 141 [2022-03-15 15:13:45,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:45,716 INFO L470 AbstractCegarLoop]: Abstraction has 2920 states and 5669 transitions. [2022-03-15 15:13:45,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:45,716 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 5669 transitions. [2022-03-15 15:13:45,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:13:45,717 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:45,717 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:45,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2022-03-15 15:13:45,717 INFO L402 AbstractCegarLoop]: === Iteration 144 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:13:45,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:45,719 INFO L85 PathProgramCache]: Analyzing trace with hash 384749878, now seen corresponding path program 20 times [2022-03-15 15:13:45,719 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:45,719 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998352048] [2022-03-15 15:13:45,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:45,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:45,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:45,997 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:45,997 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998352048] [2022-03-15 15:13:45,997 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998352048] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:45,997 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:45,998 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:13:45,998 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022498509] [2022-03-15 15:13:45,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:45,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:13:45,998 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:45,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:13:45,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:13:45,998 INFO L87 Difference]: Start difference. First operand 2920 states and 5669 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:47,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:47,898 INFO L93 Difference]: Finished difference Result 5884 states and 11409 transitions. [2022-03-15 15:13:47,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-03-15 15:13:47,898 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:13:47,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:47,904 INFO L225 Difference]: With dead ends: 5884 [2022-03-15 15:13:47,905 INFO L226 Difference]: Without dead ends: 5884 [2022-03-15 15:13:47,905 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2108 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1017, Invalid=5955, Unknown=0, NotChecked=0, Total=6972 [2022-03-15 15:13:47,906 INFO L933 BasicCegarLoop]: 367 mSDtfsCounter, 2027 mSDsluCounter, 4172 mSDsCounter, 0 mSdLazyCounter, 3068 mSolverCounterSat, 164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2027 SdHoareTripleChecker+Valid, 4537 SdHoareTripleChecker+Invalid, 3232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 164 IncrementalHoareTripleChecker+Valid, 3068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:47,906 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2027 Valid, 4537 Invalid, 3232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [164 Valid, 3068 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 15:13:47,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5884 states. [2022-03-15 15:13:47,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5884 to 2848. [2022-03-15 15:13:47,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2848 states, 2839 states have (on average 1.9461077844311376) internal successors, (5525), 2847 states have internal predecessors, (5525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:47,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2848 states to 2848 states and 5525 transitions. [2022-03-15 15:13:47,939 INFO L78 Accepts]: Start accepts. Automaton has 2848 states and 5525 transitions. Word has length 141 [2022-03-15 15:13:47,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:47,939 INFO L470 AbstractCegarLoop]: Abstraction has 2848 states and 5525 transitions. [2022-03-15 15:13:47,939 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:47,939 INFO L276 IsEmpty]: Start isEmpty. Operand 2848 states and 5525 transitions. [2022-03-15 15:13:47,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:13:47,940 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:47,941 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:47,941 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2022-03-15 15:13:47,941 INFO L402 AbstractCegarLoop]: === Iteration 145 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:13:47,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:47,941 INFO L85 PathProgramCache]: Analyzing trace with hash -177886262, now seen corresponding path program 21 times [2022-03-15 15:13:47,941 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:47,941 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418514454] [2022-03-15 15:13:47,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:47,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:48,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:48,126 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:48,126 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418514454] [2022-03-15 15:13:48,126 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418514454] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:48,126 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:48,126 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:13:48,126 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690215992] [2022-03-15 15:13:48,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:48,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:13:48,126 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:48,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:13:48,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:13:48,127 INFO L87 Difference]: Start difference. First operand 2848 states and 5525 transitions. Second operand has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:49,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:49,571 INFO L93 Difference]: Finished difference Result 4426 states and 8583 transitions. [2022-03-15 15:13:49,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-03-15 15:13:49,572 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:13:49,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:49,576 INFO L225 Difference]: With dead ends: 4426 [2022-03-15 15:13:49,576 INFO L226 Difference]: Without dead ends: 4426 [2022-03-15 15:13:49,576 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1013 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=550, Invalid=2990, Unknown=0, NotChecked=0, Total=3540 [2022-03-15 15:13:49,577 INFO L933 BasicCegarLoop]: 320 mSDtfsCounter, 1123 mSDsluCounter, 3270 mSDsCounter, 0 mSdLazyCounter, 2572 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1123 SdHoareTripleChecker+Valid, 3588 SdHoareTripleChecker+Invalid, 2634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 2572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:49,577 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1123 Valid, 3588 Invalid, 2634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 2572 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:13:49,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4426 states. [2022-03-15 15:13:49,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4426 to 2908. [2022-03-15 15:13:49,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2908 states, 2899 states have (on average 1.947223180407037) internal successors, (5645), 2907 states have internal predecessors, (5645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:49,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2908 states to 2908 states and 5645 transitions. [2022-03-15 15:13:49,605 INFO L78 Accepts]: Start accepts. Automaton has 2908 states and 5645 transitions. Word has length 141 [2022-03-15 15:13:49,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:49,605 INFO L470 AbstractCegarLoop]: Abstraction has 2908 states and 5645 transitions. [2022-03-15 15:13:49,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:49,605 INFO L276 IsEmpty]: Start isEmpty. Operand 2908 states and 5645 transitions. [2022-03-15 15:13:49,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:13:49,607 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:49,607 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:49,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2022-03-15 15:13:49,607 INFO L402 AbstractCegarLoop]: === Iteration 146 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:13:49,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:49,614 INFO L85 PathProgramCache]: Analyzing trace with hash -130518572, now seen corresponding path program 22 times [2022-03-15 15:13:49,614 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:49,614 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810002328] [2022-03-15 15:13:49,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:49,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:49,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:49,846 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:49,846 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810002328] [2022-03-15 15:13:49,847 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810002328] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:49,847 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:49,847 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:13:49,847 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726758295] [2022-03-15 15:13:49,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:49,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:13:49,847 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:49,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:13:49,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:13:49,847 INFO L87 Difference]: Start difference. First operand 2908 states and 5645 transitions. Second operand has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:51,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:51,129 INFO L93 Difference]: Finished difference Result 5119 states and 9888 transitions. [2022-03-15 15:13:51,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-15 15:13:51,129 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:13:51,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:51,134 INFO L225 Difference]: With dead ends: 5119 [2022-03-15 15:13:51,134 INFO L226 Difference]: Without dead ends: 5119 [2022-03-15 15:13:51,134 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1560 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=660, Invalid=4596, Unknown=0, NotChecked=0, Total=5256 [2022-03-15 15:13:51,134 INFO L933 BasicCegarLoop]: 399 mSDtfsCounter, 1110 mSDsluCounter, 4557 mSDsCounter, 0 mSdLazyCounter, 2890 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1110 SdHoareTripleChecker+Valid, 4954 SdHoareTripleChecker+Invalid, 2966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 2890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:51,135 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1110 Valid, 4954 Invalid, 2966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 2890 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 15:13:51,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5119 states. [2022-03-15 15:13:51,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5119 to 2862. [2022-03-15 15:13:51,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2862 states, 2853 states have (on average 1.946372239747634) internal successors, (5553), 2861 states have internal predecessors, (5553), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:51,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2862 states to 2862 states and 5553 transitions. [2022-03-15 15:13:51,167 INFO L78 Accepts]: Start accepts. Automaton has 2862 states and 5553 transitions. Word has length 141 [2022-03-15 15:13:51,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:51,168 INFO L470 AbstractCegarLoop]: Abstraction has 2862 states and 5553 transitions. [2022-03-15 15:13:51,168 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:51,168 INFO L276 IsEmpty]: Start isEmpty. Operand 2862 states and 5553 transitions. [2022-03-15 15:13:51,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:13:51,169 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:51,169 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:51,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2022-03-15 15:13:51,169 INFO L402 AbstractCegarLoop]: === Iteration 147 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:13:51,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:51,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1625431030, now seen corresponding path program 23 times [2022-03-15 15:13:51,170 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:51,170 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011547413] [2022-03-15 15:13:51,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:51,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:51,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:51,410 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:51,410 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011547413] [2022-03-15 15:13:51,410 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011547413] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:51,410 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:51,410 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:13:51,411 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473408736] [2022-03-15 15:13:51,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:51,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:13:51,411 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:51,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:13:51,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:13:51,411 INFO L87 Difference]: Start difference. First operand 2862 states and 5553 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:53,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:53,304 INFO L93 Difference]: Finished difference Result 4379 states and 8516 transitions. [2022-03-15 15:13:53,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 15:13:53,304 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:13:53,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:53,308 INFO L225 Difference]: With dead ends: 4379 [2022-03-15 15:13:53,308 INFO L226 Difference]: Without dead ends: 4379 [2022-03-15 15:13:53,308 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1236 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=733, Invalid=3823, Unknown=0, NotChecked=0, Total=4556 [2022-03-15 15:13:53,309 INFO L933 BasicCegarLoop]: 277 mSDtfsCounter, 1260 mSDsluCounter, 3313 mSDsCounter, 0 mSdLazyCounter, 2697 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1260 SdHoareTripleChecker+Valid, 3588 SdHoareTripleChecker+Invalid, 2809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 2697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:53,309 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1260 Valid, 3588 Invalid, 2809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 2697 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:13:53,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4379 states. [2022-03-15 15:13:53,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4379 to 2988. [2022-03-15 15:13:53,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2988 states, 2979 states have (on average 1.948640483383686) internal successors, (5805), 2987 states have internal predecessors, (5805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:53,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 5805 transitions. [2022-03-15 15:13:53,335 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 5805 transitions. Word has length 141 [2022-03-15 15:13:53,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:53,335 INFO L470 AbstractCegarLoop]: Abstraction has 2988 states and 5805 transitions. [2022-03-15 15:13:53,335 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:53,335 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 5805 transitions. [2022-03-15 15:13:53,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:13:53,337 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:53,337 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:53,337 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2022-03-15 15:13:53,337 INFO L402 AbstractCegarLoop]: === Iteration 148 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:13:53,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:53,337 INFO L85 PathProgramCache]: Analyzing trace with hash -226757096, now seen corresponding path program 24 times [2022-03-15 15:13:53,337 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:53,337 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447967878] [2022-03-15 15:13:53,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:53,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:53,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:53,746 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:53,746 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447967878] [2022-03-15 15:13:53,746 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447967878] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:53,746 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:53,746 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:13:53,746 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330155750] [2022-03-15 15:13:53,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:53,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:13:53,746 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:53,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:13:53,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:13:53,747 INFO L87 Difference]: Start difference. First operand 2988 states and 5805 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:55,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:55,724 INFO L93 Difference]: Finished difference Result 4413 states and 8582 transitions. [2022-03-15 15:13:55,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-03-15 15:13:55,725 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:13:55,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:55,729 INFO L225 Difference]: With dead ends: 4413 [2022-03-15 15:13:55,729 INFO L226 Difference]: Without dead ends: 4413 [2022-03-15 15:13:55,729 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1440 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=792, Invalid=4320, Unknown=0, NotChecked=0, Total=5112 [2022-03-15 15:13:55,731 INFO L933 BasicCegarLoop]: 285 mSDtfsCounter, 1284 mSDsluCounter, 3209 mSDsCounter, 0 mSdLazyCounter, 2608 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1284 SdHoareTripleChecker+Valid, 3492 SdHoareTripleChecker+Invalid, 2755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 2608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:55,731 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1284 Valid, 3492 Invalid, 2755 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 2608 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:13:55,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4413 states. [2022-03-15 15:13:55,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4413 to 2982. [2022-03-15 15:13:55,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2982 states, 2973 states have (on average 1.9485368314833502) internal successors, (5793), 2981 states have internal predecessors, (5793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:55,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2982 states to 2982 states and 5793 transitions. [2022-03-15 15:13:55,759 INFO L78 Accepts]: Start accepts. Automaton has 2982 states and 5793 transitions. Word has length 141 [2022-03-15 15:13:55,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:55,759 INFO L470 AbstractCegarLoop]: Abstraction has 2982 states and 5793 transitions. [2022-03-15 15:13:55,759 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:55,759 INFO L276 IsEmpty]: Start isEmpty. Operand 2982 states and 5793 transitions. [2022-03-15 15:13:55,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:13:55,761 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:55,761 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:55,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2022-03-15 15:13:55,761 INFO L402 AbstractCegarLoop]: === Iteration 149 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:13:55,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:55,761 INFO L85 PathProgramCache]: Analyzing trace with hash -2035156810, now seen corresponding path program 25 times [2022-03-15 15:13:55,761 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:55,761 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998247246] [2022-03-15 15:13:55,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:55,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:56,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:56,093 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:56,093 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998247246] [2022-03-15 15:13:56,093 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998247246] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:56,093 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:56,093 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:13:56,093 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682982117] [2022-03-15 15:13:56,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:56,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:13:56,094 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:56,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:13:56,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:13:56,094 INFO L87 Difference]: Start difference. First operand 2982 states and 5793 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:57,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:57,676 INFO L93 Difference]: Finished difference Result 4444 states and 8642 transitions. [2022-03-15 15:13:57,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2022-03-15 15:13:57,676 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:13:57,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:57,680 INFO L225 Difference]: With dead ends: 4444 [2022-03-15 15:13:57,680 INFO L226 Difference]: Without dead ends: 4444 [2022-03-15 15:13:57,681 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1554 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=802, Invalid=4600, Unknown=0, NotChecked=0, Total=5402 [2022-03-15 15:13:57,681 INFO L933 BasicCegarLoop]: 294 mSDtfsCounter, 1281 mSDsluCounter, 3329 mSDsCounter, 0 mSdLazyCounter, 2696 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1281 SdHoareTripleChecker+Valid, 3621 SdHoareTripleChecker+Invalid, 2858 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 2696 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:57,681 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1281 Valid, 3621 Invalid, 2858 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 2696 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:13:57,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4444 states. [2022-03-15 15:13:57,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4444 to 2976. [2022-03-15 15:13:57,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2976 states, 2967 states have (on average 1.9484327603640041) internal successors, (5781), 2975 states have internal predecessors, (5781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:57,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2976 states to 2976 states and 5781 transitions. [2022-03-15 15:13:57,709 INFO L78 Accepts]: Start accepts. Automaton has 2976 states and 5781 transitions. Word has length 141 [2022-03-15 15:13:57,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:57,709 INFO L470 AbstractCegarLoop]: Abstraction has 2976 states and 5781 transitions. [2022-03-15 15:13:57,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:57,709 INFO L276 IsEmpty]: Start isEmpty. Operand 2976 states and 5781 transitions. [2022-03-15 15:13:57,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:13:57,711 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:57,711 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:57,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2022-03-15 15:13:57,711 INFO L402 AbstractCegarLoop]: === Iteration 150 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:13:57,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:57,713 INFO L85 PathProgramCache]: Analyzing trace with hash -650460840, now seen corresponding path program 26 times [2022-03-15 15:13:57,713 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:57,713 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260055508] [2022-03-15 15:13:57,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:57,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:57,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:57,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:57,942 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:57,943 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260055508] [2022-03-15 15:13:57,943 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260055508] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:57,943 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:57,943 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:13:57,943 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904406013] [2022-03-15 15:13:57,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:57,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:13:57,943 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:57,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:13:57,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:13:57,943 INFO L87 Difference]: Start difference. First operand 2976 states and 5781 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:59,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:13:59,703 INFO L93 Difference]: Finished difference Result 4478 states and 8708 transitions. [2022-03-15 15:13:59,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-03-15 15:13:59,703 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:13:59,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:13:59,708 INFO L225 Difference]: With dead ends: 4478 [2022-03-15 15:13:59,708 INFO L226 Difference]: Without dead ends: 4478 [2022-03-15 15:13:59,709 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1669 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=829, Invalid=4871, Unknown=0, NotChecked=0, Total=5700 [2022-03-15 15:13:59,709 INFO L933 BasicCegarLoop]: 302 mSDtfsCounter, 1283 mSDsluCounter, 3622 mSDsCounter, 0 mSdLazyCounter, 3073 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1283 SdHoareTripleChecker+Valid, 3922 SdHoareTripleChecker+Invalid, 3265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 3073 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:13:59,709 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1283 Valid, 3922 Invalid, 3265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 3073 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 15:13:59,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4478 states. [2022-03-15 15:13:59,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4478 to 2970. [2022-03-15 15:13:59,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2970 states, 2961 states have (on average 1.9483282674772036) internal successors, (5769), 2969 states have internal predecessors, (5769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:59,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2970 states to 2970 states and 5769 transitions. [2022-03-15 15:13:59,739 INFO L78 Accepts]: Start accepts. Automaton has 2970 states and 5769 transitions. Word has length 141 [2022-03-15 15:13:59,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:13:59,739 INFO L470 AbstractCegarLoop]: Abstraction has 2970 states and 5769 transitions. [2022-03-15 15:13:59,739 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:13:59,739 INFO L276 IsEmpty]: Start isEmpty. Operand 2970 states and 5769 transitions. [2022-03-15 15:13:59,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:13:59,740 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:13:59,741 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:13:59,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2022-03-15 15:13:59,741 INFO L402 AbstractCegarLoop]: === Iteration 151 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:13:59,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:13:59,741 INFO L85 PathProgramCache]: Analyzing trace with hash 2006680950, now seen corresponding path program 27 times [2022-03-15 15:13:59,741 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:13:59,741 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358371033] [2022-03-15 15:13:59,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:13:59,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:13:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:13:59,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:13:59,986 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:13:59,986 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358371033] [2022-03-15 15:13:59,986 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358371033] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:13:59,986 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:13:59,986 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:13:59,986 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976876775] [2022-03-15 15:13:59,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:13:59,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:13:59,986 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:13:59,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:13:59,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:13:59,987 INFO L87 Difference]: Start difference. First operand 2970 states and 5769 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:01,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:01,657 INFO L93 Difference]: Finished difference Result 5938 states and 11517 transitions. [2022-03-15 15:14:01,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-03-15 15:14:01,657 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:14:01,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:01,663 INFO L225 Difference]: With dead ends: 5938 [2022-03-15 15:14:01,663 INFO L226 Difference]: Without dead ends: 5938 [2022-03-15 15:14:01,664 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2119 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=978, Invalid=5994, Unknown=0, NotChecked=0, Total=6972 [2022-03-15 15:14:01,664 INFO L933 BasicCegarLoop]: 332 mSDtfsCounter, 2058 mSDsluCounter, 3522 mSDsCounter, 0 mSdLazyCounter, 2849 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2058 SdHoareTripleChecker+Valid, 3852 SdHoareTripleChecker+Invalid, 3040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 2849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:01,664 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2058 Valid, 3852 Invalid, 3040 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 2849 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:14:01,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5938 states. [2022-03-15 15:14:01,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5938 to 2898. [2022-03-15 15:14:01,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2898 states, 2889 states have (on average 1.9470404984423677) internal successors, (5625), 2897 states have internal predecessors, (5625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:01,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2898 states to 2898 states and 5625 transitions. [2022-03-15 15:14:01,699 INFO L78 Accepts]: Start accepts. Automaton has 2898 states and 5625 transitions. Word has length 141 [2022-03-15 15:14:01,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:01,699 INFO L470 AbstractCegarLoop]: Abstraction has 2898 states and 5625 transitions. [2022-03-15 15:14:01,699 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:01,700 INFO L276 IsEmpty]: Start isEmpty. Operand 2898 states and 5625 transitions. [2022-03-15 15:14:01,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:14:01,701 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:01,701 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:01,701 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2022-03-15 15:14:01,701 INFO L402 AbstractCegarLoop]: === Iteration 152 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:14:01,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:01,701 INFO L85 PathProgramCache]: Analyzing trace with hash 1444044810, now seen corresponding path program 28 times [2022-03-15 15:14:01,701 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:01,701 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870112915] [2022-03-15 15:14:01,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:01,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:01,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:01,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:01,892 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:01,892 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870112915] [2022-03-15 15:14:01,892 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870112915] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:01,892 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:01,892 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:14:01,892 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624204474] [2022-03-15 15:14:01,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:01,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:14:01,892 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:01,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:14:01,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:14:01,893 INFO L87 Difference]: Start difference. First operand 2898 states and 5625 transitions. Second operand has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:03,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:03,277 INFO L93 Difference]: Finished difference Result 4772 states and 9261 transitions. [2022-03-15 15:14:03,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2022-03-15 15:14:03,277 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:14:03,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:03,282 INFO L225 Difference]: With dead ends: 4772 [2022-03-15 15:14:03,282 INFO L226 Difference]: Without dead ends: 4772 [2022-03-15 15:14:03,282 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 976 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=562, Invalid=2978, Unknown=0, NotChecked=0, Total=3540 [2022-03-15 15:14:03,282 INFO L933 BasicCegarLoop]: 337 mSDtfsCounter, 1310 mSDsluCounter, 3083 mSDsCounter, 0 mSdLazyCounter, 2513 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1310 SdHoareTripleChecker+Valid, 3418 SdHoareTripleChecker+Invalid, 2601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 2513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:03,283 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1310 Valid, 3418 Invalid, 2601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 2513 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:14:03,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4772 states. [2022-03-15 15:14:03,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4772 to 2974. [2022-03-15 15:14:03,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2974 states, 2965 states have (on average 1.9483979763912311) internal successors, (5777), 2973 states have internal predecessors, (5777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:03,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2974 states to 2974 states and 5777 transitions. [2022-03-15 15:14:03,312 INFO L78 Accepts]: Start accepts. Automaton has 2974 states and 5777 transitions. Word has length 141 [2022-03-15 15:14:03,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:03,312 INFO L470 AbstractCegarLoop]: Abstraction has 2974 states and 5777 transitions. [2022-03-15 15:14:03,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:03,312 INFO L276 IsEmpty]: Start isEmpty. Operand 2974 states and 5777 transitions. [2022-03-15 15:14:03,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:14:03,313 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:03,314 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:03,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2022-03-15 15:14:03,314 INFO L402 AbstractCegarLoop]: === Iteration 153 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:14:03,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:03,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1491412500, now seen corresponding path program 29 times [2022-03-15 15:14:03,314 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:03,314 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260425912] [2022-03-15 15:14:03,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:03,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:03,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:03,527 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:03,527 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260425912] [2022-03-15 15:14:03,527 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260425912] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:03,527 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:03,527 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:14:03,527 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015777673] [2022-03-15 15:14:03,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:03,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:14:03,527 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:03,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:14:03,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:14:03,528 INFO L87 Difference]: Start difference. First operand 2974 states and 5777 transitions. Second operand has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:04,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:04,875 INFO L93 Difference]: Finished difference Result 4678 states and 9079 transitions. [2022-03-15 15:14:04,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 15:14:04,875 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:14:04,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:04,879 INFO L225 Difference]: With dead ends: 4678 [2022-03-15 15:14:04,879 INFO L226 Difference]: Without dead ends: 4678 [2022-03-15 15:14:04,879 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 932 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=540, Invalid=2882, Unknown=0, NotChecked=0, Total=3422 [2022-03-15 15:14:04,880 INFO L933 BasicCegarLoop]: 307 mSDtfsCounter, 1223 mSDsluCounter, 3399 mSDsCounter, 0 mSdLazyCounter, 2794 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1223 SdHoareTripleChecker+Valid, 3704 SdHoareTripleChecker+Invalid, 2887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 2794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:04,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1223 Valid, 3704 Invalid, 2887 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 2794 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 15:14:04,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4678 states. [2022-03-15 15:14:04,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4678 to 2914. [2022-03-15 15:14:04,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2914 states, 2905 states have (on average 1.9473321858864028) internal successors, (5657), 2913 states have internal predecessors, (5657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:04,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2914 states and 5657 transitions. [2022-03-15 15:14:04,906 INFO L78 Accepts]: Start accepts. Automaton has 2914 states and 5657 transitions. Word has length 141 [2022-03-15 15:14:04,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:04,906 INFO L470 AbstractCegarLoop]: Abstraction has 2914 states and 5657 transitions. [2022-03-15 15:14:04,907 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:04,907 INFO L276 IsEmpty]: Start isEmpty. Operand 2914 states and 5657 transitions. [2022-03-15 15:14:04,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:14:04,908 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:04,908 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:04,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2022-03-15 15:14:04,908 INFO L402 AbstractCegarLoop]: === Iteration 154 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:14:04,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:04,909 INFO L85 PathProgramCache]: Analyzing trace with hash -141221294, now seen corresponding path program 30 times [2022-03-15 15:14:04,909 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:04,909 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235252467] [2022-03-15 15:14:04,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:04,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:05,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:05,189 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:05,189 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235252467] [2022-03-15 15:14:05,189 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235252467] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:05,189 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:05,189 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:14:05,189 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310156966] [2022-03-15 15:14:05,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:05,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:14:05,190 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:05,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:14:05,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:14:05,190 INFO L87 Difference]: Start difference. First operand 2914 states and 5657 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:06,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:06,182 INFO L93 Difference]: Finished difference Result 3877 states and 7567 transitions. [2022-03-15 15:14:06,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2022-03-15 15:14:06,182 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:14:06,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:06,186 INFO L225 Difference]: With dead ends: 3877 [2022-03-15 15:14:06,186 INFO L226 Difference]: Without dead ends: 3877 [2022-03-15 15:14:06,187 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 698 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=521, Invalid=2559, Unknown=0, NotChecked=0, Total=3080 [2022-03-15 15:14:06,187 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 1020 mSDsluCounter, 2392 mSDsCounter, 0 mSdLazyCounter, 1746 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1020 SdHoareTripleChecker+Valid, 2614 SdHoareTripleChecker+Invalid, 1861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 1746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:06,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1020 Valid, 2614 Invalid, 1861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 1746 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-15 15:14:06,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3877 states. [2022-03-15 15:14:06,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3877 to 3046. [2022-03-15 15:14:06,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3046 states, 3037 states have (on average 1.9496213368455713) internal successors, (5921), 3045 states have internal predecessors, (5921), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:06,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3046 states to 3046 states and 5921 transitions. [2022-03-15 15:14:06,215 INFO L78 Accepts]: Start accepts. Automaton has 3046 states and 5921 transitions. Word has length 141 [2022-03-15 15:14:06,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:06,215 INFO L470 AbstractCegarLoop]: Abstraction has 3046 states and 5921 transitions. [2022-03-15 15:14:06,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:06,215 INFO L276 IsEmpty]: Start isEmpty. Operand 3046 states and 5921 transitions. [2022-03-15 15:14:06,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:14:06,217 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:06,217 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:06,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2022-03-15 15:14:06,217 INFO L402 AbstractCegarLoop]: === Iteration 155 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:14:06,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:06,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1993409420, now seen corresponding path program 31 times [2022-03-15 15:14:06,217 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:06,217 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980969532] [2022-03-15 15:14:06,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:06,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:06,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:06,585 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:06,585 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980969532] [2022-03-15 15:14:06,585 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980969532] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:06,586 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:06,586 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:14:06,586 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908899591] [2022-03-15 15:14:06,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:06,586 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:14:06,586 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:06,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:14:06,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:14:06,587 INFO L87 Difference]: Start difference. First operand 3046 states and 5921 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:07,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:07,862 INFO L93 Difference]: Finished difference Result 3911 states and 7633 transitions. [2022-03-15 15:14:07,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 15:14:07,862 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:14:07,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:07,866 INFO L225 Difference]: With dead ends: 3911 [2022-03-15 15:14:07,866 INFO L226 Difference]: Without dead ends: 3911 [2022-03-15 15:14:07,867 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 812 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=559, Invalid=2863, Unknown=0, NotChecked=0, Total=3422 [2022-03-15 15:14:07,867 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 1021 mSDsluCounter, 2710 mSDsCounter, 0 mSdLazyCounter, 2270 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1021 SdHoareTripleChecker+Valid, 2940 SdHoareTripleChecker+Invalid, 2407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 2270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:07,867 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1021 Valid, 2940 Invalid, 2407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 2270 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-03-15 15:14:07,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3911 states. [2022-03-15 15:14:07,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3911 to 3040. [2022-03-15 15:14:07,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3040 states, 3031 states have (on average 1.9495216100296933) internal successors, (5909), 3039 states have internal predecessors, (5909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:07,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3040 states to 3040 states and 5909 transitions. [2022-03-15 15:14:07,900 INFO L78 Accepts]: Start accepts. Automaton has 3040 states and 5909 transitions. Word has length 141 [2022-03-15 15:14:07,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:07,901 INFO L470 AbstractCegarLoop]: Abstraction has 3040 states and 5909 transitions. [2022-03-15 15:14:07,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:07,901 INFO L276 IsEmpty]: Start isEmpty. Operand 3040 states and 5909 transitions. [2022-03-15 15:14:07,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:14:07,902 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:07,902 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:07,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2022-03-15 15:14:07,903 INFO L402 AbstractCegarLoop]: === Iteration 156 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:14:07,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:07,903 INFO L85 PathProgramCache]: Analyzing trace with hash 493158162, now seen corresponding path program 32 times [2022-03-15 15:14:07,903 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:07,903 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280512828] [2022-03-15 15:14:07,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:07,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:08,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:08,240 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:08,240 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280512828] [2022-03-15 15:14:08,241 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280512828] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:08,241 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:08,241 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:14:08,241 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884604380] [2022-03-15 15:14:08,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:08,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:14:08,241 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:08,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:14:08,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:14:08,242 INFO L87 Difference]: Start difference. First operand 3040 states and 5909 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:09,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:09,836 INFO L93 Difference]: Finished difference Result 3942 states and 7693 transitions. [2022-03-15 15:14:09,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-03-15 15:14:09,836 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:14:09,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:09,841 INFO L225 Difference]: With dead ends: 3942 [2022-03-15 15:14:09,841 INFO L226 Difference]: Without dead ends: 3942 [2022-03-15 15:14:09,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 857 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=553, Invalid=2987, Unknown=0, NotChecked=0, Total=3540 [2022-03-15 15:14:09,842 INFO L933 BasicCegarLoop]: 241 mSDtfsCounter, 1155 mSDsluCounter, 2757 mSDsCounter, 0 mSdLazyCounter, 2266 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1155 SdHoareTripleChecker+Valid, 2996 SdHoareTripleChecker+Invalid, 2428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 2266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:09,842 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1155 Valid, 2996 Invalid, 2428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 2266 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 15:14:09,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3942 states. [2022-03-15 15:14:09,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3942 to 3034. [2022-03-15 15:14:09,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3034 states, 3025 states have (on average 1.9494214876033058) internal successors, (5897), 3033 states have internal predecessors, (5897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:09,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3034 states to 3034 states and 5897 transitions. [2022-03-15 15:14:09,868 INFO L78 Accepts]: Start accepts. Automaton has 3034 states and 5897 transitions. Word has length 141 [2022-03-15 15:14:09,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:09,868 INFO L470 AbstractCegarLoop]: Abstraction has 3034 states and 5897 transitions. [2022-03-15 15:14:09,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:09,868 INFO L276 IsEmpty]: Start isEmpty. Operand 3034 states and 5897 transitions. [2022-03-15 15:14:09,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:14:09,870 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:09,870 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:09,870 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2022-03-15 15:14:09,870 INFO L402 AbstractCegarLoop]: === Iteration 157 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:14:09,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:09,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1877854132, now seen corresponding path program 33 times [2022-03-15 15:14:09,870 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:09,870 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879064682] [2022-03-15 15:14:09,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:09,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:10,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:10,179 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:10,179 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879064682] [2022-03-15 15:14:10,179 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879064682] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:10,179 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:10,179 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:14:10,179 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190829308] [2022-03-15 15:14:10,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:10,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:14:10,179 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:10,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:14:10,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:14:10,180 INFO L87 Difference]: Start difference. First operand 3034 states and 5897 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:11,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:11,884 INFO L93 Difference]: Finished difference Result 3976 states and 7759 transitions. [2022-03-15 15:14:11,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-15 15:14:11,884 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:14:11,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:11,888 INFO L225 Difference]: With dead ends: 3976 [2022-03-15 15:14:11,888 INFO L226 Difference]: Without dead ends: 3976 [2022-03-15 15:14:11,889 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 900 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=559, Invalid=3101, Unknown=0, NotChecked=0, Total=3660 [2022-03-15 15:14:11,889 INFO L933 BasicCegarLoop]: 249 mSDtfsCounter, 1042 mSDsluCounter, 3033 mSDsCounter, 0 mSdLazyCounter, 2435 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1042 SdHoareTripleChecker+Valid, 3280 SdHoareTripleChecker+Invalid, 2592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 2435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:11,889 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1042 Valid, 3280 Invalid, 2592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 2435 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 15:14:11,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3976 states. [2022-03-15 15:14:11,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3976 to 3028. [2022-03-15 15:14:11,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3028 states, 3019 states have (on average 1.9493209672076848) internal successors, (5885), 3027 states have internal predecessors, (5885), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:11,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3028 states to 3028 states and 5885 transitions. [2022-03-15 15:14:11,915 INFO L78 Accepts]: Start accepts. Automaton has 3028 states and 5885 transitions. Word has length 141 [2022-03-15 15:14:11,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:11,915 INFO L470 AbstractCegarLoop]: Abstraction has 3028 states and 5885 transitions. [2022-03-15 15:14:11,915 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:11,915 INFO L276 IsEmpty]: Start isEmpty. Operand 3028 states and 5885 transitions. [2022-03-15 15:14:11,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:14:11,917 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:11,917 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:11,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2022-03-15 15:14:11,917 INFO L402 AbstractCegarLoop]: === Iteration 158 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:14:11,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:11,917 INFO L85 PathProgramCache]: Analyzing trace with hash 240028626, now seen corresponding path program 34 times [2022-03-15 15:14:11,917 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:11,917 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569330698] [2022-03-15 15:14:11,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:11,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:12,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:12,155 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:12,155 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569330698] [2022-03-15 15:14:12,155 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569330698] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:12,155 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:12,155 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:14:12,155 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239295826] [2022-03-15 15:14:12,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:12,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:14:12,155 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:12,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:14:12,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:14:12,155 INFO L87 Difference]: Start difference. First operand 3028 states and 5885 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:13,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:13,764 INFO L93 Difference]: Finished difference Result 5261 states and 10253 transitions. [2022-03-15 15:14:13,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-15 15:14:13,764 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:14:13,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:13,769 INFO L225 Difference]: With dead ends: 5261 [2022-03-15 15:14:13,769 INFO L226 Difference]: Without dead ends: 5261 [2022-03-15 15:14:13,770 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 970 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=594, Invalid=3312, Unknown=0, NotChecked=0, Total=3906 [2022-03-15 15:14:13,770 INFO L933 BasicCegarLoop]: 279 mSDtfsCounter, 1352 mSDsluCounter, 3684 mSDsCounter, 0 mSdLazyCounter, 2986 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1352 SdHoareTripleChecker+Valid, 3961 SdHoareTripleChecker+Invalid, 3128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 2986 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:13,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1352 Valid, 3961 Invalid, 3128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 2986 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 15:14:13,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5261 states. [2022-03-15 15:14:13,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5261 to 2956. [2022-03-15 15:14:13,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2956 states, 2947 states have (on average 1.9480827960637936) internal successors, (5741), 2955 states have internal predecessors, (5741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:13,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2956 states to 2956 states and 5741 transitions. [2022-03-15 15:14:13,799 INFO L78 Accepts]: Start accepts. Automaton has 2956 states and 5741 transitions. Word has length 141 [2022-03-15 15:14:13,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:13,799 INFO L470 AbstractCegarLoop]: Abstraction has 2956 states and 5741 transitions. [2022-03-15 15:14:13,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:13,800 INFO L276 IsEmpty]: Start isEmpty. Operand 2956 states and 5741 transitions. [2022-03-15 15:14:13,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:14:13,801 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:13,801 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:13,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157 [2022-03-15 15:14:13,801 INFO L402 AbstractCegarLoop]: === Iteration 159 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:14:13,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:13,802 INFO L85 PathProgramCache]: Analyzing trace with hash -322607514, now seen corresponding path program 35 times [2022-03-15 15:14:13,802 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:13,802 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790096440] [2022-03-15 15:14:13,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:13,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:13,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:13,982 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:13,982 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790096440] [2022-03-15 15:14:13,982 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790096440] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:13,982 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:13,982 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:14:13,982 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806640837] [2022-03-15 15:14:13,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:13,982 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:14:13,982 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:13,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:14:13,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:14:13,983 INFO L87 Difference]: Start difference. First operand 2956 states and 5741 transitions. Second operand has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:15,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:15,133 INFO L93 Difference]: Finished difference Result 5766 states and 11232 transitions. [2022-03-15 15:14:15,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2022-03-15 15:14:15,134 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:14:15,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:15,139 INFO L225 Difference]: With dead ends: 5766 [2022-03-15 15:14:15,140 INFO L226 Difference]: Without dead ends: 5766 [2022-03-15 15:14:15,140 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 637 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=453, Invalid=2199, Unknown=0, NotChecked=0, Total=2652 [2022-03-15 15:14:15,140 INFO L933 BasicCegarLoop]: 251 mSDtfsCounter, 1353 mSDsluCounter, 2658 mSDsCounter, 0 mSdLazyCounter, 2171 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1353 SdHoareTripleChecker+Valid, 2907 SdHoareTripleChecker+Invalid, 2277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 2171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:15,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1353 Valid, 2907 Invalid, 2277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 2171 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-03-15 15:14:15,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5766 states. [2022-03-15 15:14:15,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5766 to 2949. [2022-03-15 15:14:15,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2949 states, 2940 states have (on average 1.9479591836734693) internal successors, (5727), 2948 states have internal predecessors, (5727), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:15,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2949 states to 2949 states and 5727 transitions. [2022-03-15 15:14:15,173 INFO L78 Accepts]: Start accepts. Automaton has 2949 states and 5727 transitions. Word has length 141 [2022-03-15 15:14:15,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:15,173 INFO L470 AbstractCegarLoop]: Abstraction has 2949 states and 5727 transitions. [2022-03-15 15:14:15,173 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:15,173 INFO L276 IsEmpty]: Start isEmpty. Operand 2949 states and 5727 transitions. [2022-03-15 15:14:15,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:14:15,175 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:15,175 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:15,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2022-03-15 15:14:15,175 INFO L402 AbstractCegarLoop]: === Iteration 160 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:14:15,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:15,175 INFO L85 PathProgramCache]: Analyzing trace with hash 811447078, now seen corresponding path program 36 times [2022-03-15 15:14:15,175 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:15,175 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206389754] [2022-03-15 15:14:15,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:15,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:15,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:15,367 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:15,367 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206389754] [2022-03-15 15:14:15,367 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206389754] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:15,367 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:15,367 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:14:15,367 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833499692] [2022-03-15 15:14:15,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:15,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:14:15,367 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:15,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:14:15,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:14:15,368 INFO L87 Difference]: Start difference. First operand 2949 states and 5727 transitions. Second operand has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:17,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:17,259 INFO L93 Difference]: Finished difference Result 5032 states and 9825 transitions. [2022-03-15 15:14:17,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-03-15 15:14:17,260 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:14:17,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:17,265 INFO L225 Difference]: With dead ends: 5032 [2022-03-15 15:14:17,265 INFO L226 Difference]: Without dead ends: 5032 [2022-03-15 15:14:17,265 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 945 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=572, Invalid=2968, Unknown=0, NotChecked=0, Total=3540 [2022-03-15 15:14:17,265 INFO L933 BasicCegarLoop]: 295 mSDtfsCounter, 1394 mSDsluCounter, 3352 mSDsCounter, 0 mSdLazyCounter, 3105 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1394 SdHoareTripleChecker+Valid, 3645 SdHoareTripleChecker+Invalid, 3193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 3105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:17,265 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1394 Valid, 3645 Invalid, 3193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 3105 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:14:17,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5032 states. [2022-03-15 15:14:17,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5032 to 3009. [2022-03-15 15:14:17,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3009 states, 3000 states have (on average 1.949) internal successors, (5847), 3008 states have internal predecessors, (5847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:17,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3009 states to 3009 states and 5847 transitions. [2022-03-15 15:14:17,315 INFO L78 Accepts]: Start accepts. Automaton has 3009 states and 5847 transitions. Word has length 141 [2022-03-15 15:14:17,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:17,315 INFO L470 AbstractCegarLoop]: Abstraction has 3009 states and 5847 transitions. [2022-03-15 15:14:17,315 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:17,315 INFO L276 IsEmpty]: Start isEmpty. Operand 3009 states and 5847 transitions. [2022-03-15 15:14:17,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:14:17,317 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:17,317 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:17,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2022-03-15 15:14:17,317 INFO L402 AbstractCegarLoop]: === Iteration 161 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:14:17,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:17,317 INFO L85 PathProgramCache]: Analyzing trace with hash 858814768, now seen corresponding path program 37 times [2022-03-15 15:14:17,317 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:17,317 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319916267] [2022-03-15 15:14:17,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:17,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:17,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:17,629 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:17,629 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319916267] [2022-03-15 15:14:17,629 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319916267] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:17,629 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:17,629 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:14:17,629 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395415932] [2022-03-15 15:14:17,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:17,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:14:17,629 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:17,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:14:17,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:14:17,630 INFO L87 Difference]: Start difference. First operand 3009 states and 5847 transitions. Second operand has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:19,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:19,502 INFO L93 Difference]: Finished difference Result 5003 states and 9768 transitions. [2022-03-15 15:14:19,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-03-15 15:14:19,502 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:14:19,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:19,507 INFO L225 Difference]: With dead ends: 5003 [2022-03-15 15:14:19,507 INFO L226 Difference]: Without dead ends: 5003 [2022-03-15 15:14:19,508 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 902 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=550, Invalid=2872, Unknown=0, NotChecked=0, Total=3422 [2022-03-15 15:14:19,508 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 1247 mSDsluCounter, 3288 mSDsCounter, 0 mSdLazyCounter, 2971 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1247 SdHoareTripleChecker+Valid, 3579 SdHoareTripleChecker+Invalid, 3065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 2971 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:19,508 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1247 Valid, 3579 Invalid, 3065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 2971 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:14:19,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5003 states. [2022-03-15 15:14:19,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5003 to 2927. [2022-03-15 15:14:19,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2927 states, 2918 states have (on average 1.9475668265935573) internal successors, (5683), 2926 states have internal predecessors, (5683), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:19,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2927 states to 2927 states and 5683 transitions. [2022-03-15 15:14:19,537 INFO L78 Accepts]: Start accepts. Automaton has 2927 states and 5683 transitions. Word has length 141 [2022-03-15 15:14:19,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:19,537 INFO L470 AbstractCegarLoop]: Abstraction has 2927 states and 5683 transitions. [2022-03-15 15:14:19,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:19,537 INFO L276 IsEmpty]: Start isEmpty. Operand 2927 states and 5683 transitions. [2022-03-15 15:14:19,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:14:19,538 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:19,538 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:19,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2022-03-15 15:14:19,538 INFO L402 AbstractCegarLoop]: === Iteration 162 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:14:19,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:19,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1599363506, now seen corresponding path program 38 times [2022-03-15 15:14:19,539 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:19,539 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494314836] [2022-03-15 15:14:19,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:19,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:19,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:19,793 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:19,793 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494314836] [2022-03-15 15:14:19,793 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494314836] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:19,793 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:19,794 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:14:19,794 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686164588] [2022-03-15 15:14:19,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:19,794 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:14:19,794 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:19,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:14:19,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:14:19,794 INFO L87 Difference]: Start difference. First operand 2927 states and 5683 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:20,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:20,728 INFO L93 Difference]: Finished difference Result 4247 states and 8242 transitions. [2022-03-15 15:14:20,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-03-15 15:14:20,729 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:14:20,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:20,733 INFO L225 Difference]: With dead ends: 4247 [2022-03-15 15:14:20,733 INFO L226 Difference]: Without dead ends: 4247 [2022-03-15 15:14:20,733 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=381, Invalid=1599, Unknown=0, NotChecked=0, Total=1980 [2022-03-15 15:14:20,734 INFO L933 BasicCegarLoop]: 244 mSDtfsCounter, 868 mSDsluCounter, 2410 mSDsCounter, 0 mSdLazyCounter, 1891 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 868 SdHoareTripleChecker+Valid, 2651 SdHoareTripleChecker+Invalid, 1988 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 1891 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:20,734 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [868 Valid, 2651 Invalid, 1988 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 1891 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-15 15:14:20,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4247 states. [2022-03-15 15:14:20,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4247 to 2921. [2022-03-15 15:14:20,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2921 states, 2912 states have (on average 1.9474587912087913) internal successors, (5671), 2920 states have internal predecessors, (5671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:20,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2921 states to 2921 states and 5671 transitions. [2022-03-15 15:14:20,763 INFO L78 Accepts]: Start accepts. Automaton has 2921 states and 5671 transitions. Word has length 141 [2022-03-15 15:14:20,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:20,763 INFO L470 AbstractCegarLoop]: Abstraction has 2921 states and 5671 transitions. [2022-03-15 15:14:20,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:20,764 INFO L276 IsEmpty]: Start isEmpty. Operand 2921 states and 5671 transitions. [2022-03-15 15:14:20,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:14:20,765 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:20,765 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:20,765 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2022-03-15 15:14:20,765 INFO L402 AbstractCegarLoop]: === Iteration 163 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:14:20,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:20,765 INFO L85 PathProgramCache]: Analyzing trace with hash -252824620, now seen corresponding path program 39 times [2022-03-15 15:14:20,766 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:20,766 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799597065] [2022-03-15 15:14:20,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:20,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:21,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:21,101 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:21,101 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799597065] [2022-03-15 15:14:21,101 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799597065] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:21,101 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:21,101 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:14:21,102 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410188424] [2022-03-15 15:14:21,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:21,102 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:14:21,102 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:21,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:14:21,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:14:21,102 INFO L87 Difference]: Start difference. First operand 2921 states and 5671 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:22,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:22,588 INFO L93 Difference]: Finished difference Result 4281 states and 8308 transitions. [2022-03-15 15:14:22,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-03-15 15:14:22,588 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:14:22,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:22,592 INFO L225 Difference]: With dead ends: 4281 [2022-03-15 15:14:22,592 INFO L226 Difference]: Without dead ends: 4281 [2022-03-15 15:14:22,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=428, Invalid=1828, Unknown=0, NotChecked=0, Total=2256 [2022-03-15 15:14:22,593 INFO L933 BasicCegarLoop]: 252 mSDtfsCounter, 1012 mSDsluCounter, 2763 mSDsCounter, 0 mSdLazyCounter, 2344 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1012 SdHoareTripleChecker+Valid, 3012 SdHoareTripleChecker+Invalid, 2451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 2344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:22,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1012 Valid, 3012 Invalid, 2451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 2344 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 15:14:22,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4281 states. [2022-03-15 15:14:22,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4281 to 2915. [2022-03-15 15:14:22,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2915 states, 2906 states have (on average 1.9473503097040605) internal successors, (5659), 2914 states have internal predecessors, (5659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:22,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2915 states to 2915 states and 5659 transitions. [2022-03-15 15:14:22,621 INFO L78 Accepts]: Start accepts. Automaton has 2915 states and 5659 transitions. Word has length 141 [2022-03-15 15:14:22,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:22,622 INFO L470 AbstractCegarLoop]: Abstraction has 2915 states and 5659 transitions. [2022-03-15 15:14:22,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:22,622 INFO L276 IsEmpty]: Start isEmpty. Operand 2915 states and 5659 transitions. [2022-03-15 15:14:22,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:14:22,623 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:22,623 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:22,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2022-03-15 15:14:22,623 INFO L402 AbstractCegarLoop]: === Iteration 164 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:14:22,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:22,624 INFO L85 PathProgramCache]: Analyzing trace with hash -2061224334, now seen corresponding path program 40 times [2022-03-15 15:14:22,624 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:22,624 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036191812] [2022-03-15 15:14:22,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:22,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:22,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:22,846 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:22,846 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036191812] [2022-03-15 15:14:22,846 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036191812] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:22,846 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:22,846 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:14:22,846 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655117534] [2022-03-15 15:14:22,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:22,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:14:22,847 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:22,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:14:22,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:14:22,847 INFO L87 Difference]: Start difference. First operand 2915 states and 5659 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:24,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:24,413 INFO L93 Difference]: Finished difference Result 4312 states and 8368 transitions. [2022-03-15 15:14:24,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-03-15 15:14:24,414 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:14:24,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:24,418 INFO L225 Difference]: With dead ends: 4312 [2022-03-15 15:14:24,418 INFO L226 Difference]: Without dead ends: 4312 [2022-03-15 15:14:24,419 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 474 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=457, Invalid=1993, Unknown=0, NotChecked=0, Total=2450 [2022-03-15 15:14:24,419 INFO L933 BasicCegarLoop]: 261 mSDtfsCounter, 796 mSDsluCounter, 3120 mSDsCounter, 0 mSdLazyCounter, 2652 mSolverCounterSat, 115 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 3378 SdHoareTripleChecker+Invalid, 2767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 2652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:24,419 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [796 Valid, 3378 Invalid, 2767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 2652 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 15:14:24,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4312 states. [2022-03-15 15:14:24,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4312 to 2909. [2022-03-15 15:14:24,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2909 states, 2900 states have (on average 1.947241379310345) internal successors, (5647), 2908 states have internal predecessors, (5647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:24,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2909 states and 5647 transitions. [2022-03-15 15:14:24,446 INFO L78 Accepts]: Start accepts. Automaton has 2909 states and 5647 transitions. Word has length 141 [2022-03-15 15:14:24,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:24,446 INFO L470 AbstractCegarLoop]: Abstraction has 2909 states and 5647 transitions. [2022-03-15 15:14:24,446 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:24,446 INFO L276 IsEmpty]: Start isEmpty. Operand 2909 states and 5647 transitions. [2022-03-15 15:14:24,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:14:24,447 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:24,447 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:24,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2022-03-15 15:14:24,447 INFO L402 AbstractCegarLoop]: === Iteration 165 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:14:24,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:24,448 INFO L85 PathProgramCache]: Analyzing trace with hash -676528364, now seen corresponding path program 41 times [2022-03-15 15:14:24,448 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:24,448 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774135815] [2022-03-15 15:14:24,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:24,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:24,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:24,823 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:24,823 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774135815] [2022-03-15 15:14:24,824 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774135815] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:24,824 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:24,824 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:14:24,824 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152785738] [2022-03-15 15:14:24,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:24,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:14:24,824 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:24,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:14:24,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=369, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:14:24,824 INFO L87 Difference]: Start difference. First operand 2909 states and 5647 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:26,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:26,583 INFO L93 Difference]: Finished difference Result 4346 states and 8434 transitions. [2022-03-15 15:14:26,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-03-15 15:14:26,583 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:14:26,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:26,587 INFO L225 Difference]: With dead ends: 4346 [2022-03-15 15:14:26,587 INFO L226 Difference]: Without dead ends: 4346 [2022-03-15 15:14:26,587 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 532 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=495, Invalid=2157, Unknown=0, NotChecked=0, Total=2652 [2022-03-15 15:14:26,587 INFO L933 BasicCegarLoop]: 269 mSDtfsCounter, 936 mSDsluCounter, 3317 mSDsCounter, 0 mSdLazyCounter, 2911 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 936 SdHoareTripleChecker+Valid, 3583 SdHoareTripleChecker+Invalid, 3044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 2911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:26,588 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [936 Valid, 3583 Invalid, 3044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 2911 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:14:26,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4346 states. [2022-03-15 15:14:26,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4346 to 2903. [2022-03-15 15:14:26,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2903 states, 2894 states have (on average 1.94713199723566) internal successors, (5635), 2902 states have internal predecessors, (5635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:26,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2903 states to 2903 states and 5635 transitions. [2022-03-15 15:14:26,613 INFO L78 Accepts]: Start accepts. Automaton has 2903 states and 5635 transitions. Word has length 141 [2022-03-15 15:14:26,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:26,614 INFO L470 AbstractCegarLoop]: Abstraction has 2903 states and 5635 transitions. [2022-03-15 15:14:26,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:26,614 INFO L276 IsEmpty]: Start isEmpty. Operand 2903 states and 5635 transitions. [2022-03-15 15:14:26,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:14:26,615 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:26,615 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:26,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2022-03-15 15:14:26,615 INFO L402 AbstractCegarLoop]: === Iteration 166 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:14:26,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:26,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1980613426, now seen corresponding path program 42 times [2022-03-15 15:14:26,615 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:26,616 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622701101] [2022-03-15 15:14:26,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:26,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:26,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:26,898 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:26,898 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622701101] [2022-03-15 15:14:26,898 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622701101] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:26,898 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:26,898 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-03-15 15:14:26,899 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735518274] [2022-03-15 15:14:26,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:26,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-03-15 15:14:26,899 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:26,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-03-15 15:14:26,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2022-03-15 15:14:26,899 INFO L87 Difference]: Start difference. First operand 2903 states and 5635 transitions. Second operand has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:28,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:28,793 INFO L93 Difference]: Finished difference Result 5631 states and 10928 transitions. [2022-03-15 15:14:28,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2022-03-15 15:14:28,794 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:14:28,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:28,799 INFO L225 Difference]: With dead ends: 5631 [2022-03-15 15:14:28,799 INFO L226 Difference]: Without dead ends: 5631 [2022-03-15 15:14:28,799 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 799 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=667, Invalid=2873, Unknown=0, NotChecked=0, Total=3540 [2022-03-15 15:14:28,799 INFO L933 BasicCegarLoop]: 299 mSDtfsCounter, 1361 mSDsluCounter, 3353 mSDsCounter, 0 mSdLazyCounter, 2818 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1361 SdHoareTripleChecker+Valid, 3649 SdHoareTripleChecker+Invalid, 2967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 2818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:28,799 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1361 Valid, 3649 Invalid, 2967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 2818 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:14:28,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5631 states. [2022-03-15 15:14:28,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5631 to 2831. [2022-03-15 15:14:28,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2831 states, 2822 states have (on average 1.9457831325301205) internal successors, (5491), 2830 states have internal predecessors, (5491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:28,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 5491 transitions. [2022-03-15 15:14:28,828 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 5491 transitions. Word has length 141 [2022-03-15 15:14:28,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:28,828 INFO L470 AbstractCegarLoop]: Abstraction has 2831 states and 5491 transitions. [2022-03-15 15:14:28,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 7.05) internal successors, (141), 21 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:28,829 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 5491 transitions. [2022-03-15 15:14:28,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:14:28,830 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:28,830 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:28,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2022-03-15 15:14:28,830 INFO L402 AbstractCegarLoop]: === Iteration 167 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:14:28,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:28,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1417977286, now seen corresponding path program 43 times [2022-03-15 15:14:28,830 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:28,830 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933387445] [2022-03-15 15:14:28,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:28,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:29,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:29,029 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:29,029 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933387445] [2022-03-15 15:14:29,029 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933387445] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:29,029 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:29,029 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:14:29,029 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383528119] [2022-03-15 15:14:29,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:29,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:14:29,029 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:29,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:14:29,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:14:29,032 INFO L87 Difference]: Start difference. First operand 2831 states and 5491 transitions. Second operand has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:29,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:29,999 INFO L93 Difference]: Finished difference Result 5213 states and 10080 transitions. [2022-03-15 15:14:30,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-03-15 15:14:30,000 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:14:30,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:30,007 INFO L225 Difference]: With dead ends: 5213 [2022-03-15 15:14:30,007 INFO L226 Difference]: Without dead ends: 5213 [2022-03-15 15:14:30,008 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 642 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=460, Invalid=2090, Unknown=0, NotChecked=0, Total=2550 [2022-03-15 15:14:30,008 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 1330 mSDsluCounter, 2038 mSDsCounter, 0 mSdLazyCounter, 1629 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1330 SdHoareTripleChecker+Valid, 2311 SdHoareTripleChecker+Invalid, 1738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 1629 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:30,008 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1330 Valid, 2311 Invalid, 1738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 1629 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-15 15:14:30,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5213 states. [2022-03-15 15:14:30,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5213 to 2876. [2022-03-15 15:14:30,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2876 states, 2867 states have (on average 1.9466341123125217) internal successors, (5581), 2875 states have internal predecessors, (5581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:30,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2876 states and 5581 transitions. [2022-03-15 15:14:30,049 INFO L78 Accepts]: Start accepts. Automaton has 2876 states and 5581 transitions. Word has length 141 [2022-03-15 15:14:30,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:30,049 INFO L470 AbstractCegarLoop]: Abstraction has 2876 states and 5581 transitions. [2022-03-15 15:14:30,049 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:30,050 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 5581 transitions. [2022-03-15 15:14:30,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:14:30,051 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:30,051 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:30,051 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2022-03-15 15:14:30,051 INFO L402 AbstractCegarLoop]: === Iteration 168 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:14:30,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:30,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1465344976, now seen corresponding path program 44 times [2022-03-15 15:14:30,051 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:30,051 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050275050] [2022-03-15 15:14:30,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:30,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:30,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:30,221 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:30,221 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050275050] [2022-03-15 15:14:30,221 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050275050] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:30,221 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:30,221 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:14:30,221 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130225833] [2022-03-15 15:14:30,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:30,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:14:30,221 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:30,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:14:30,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:14:30,222 INFO L87 Difference]: Start difference. First operand 2876 states and 5581 transitions. Second operand has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:31,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:31,874 INFO L93 Difference]: Finished difference Result 5829 states and 11249 transitions. [2022-03-15 15:14:31,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-03-15 15:14:31,875 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:14:31,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:31,881 INFO L225 Difference]: With dead ends: 5829 [2022-03-15 15:14:31,881 INFO L226 Difference]: Without dead ends: 5829 [2022-03-15 15:14:31,882 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1158 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=752, Invalid=3670, Unknown=0, NotChecked=0, Total=4422 [2022-03-15 15:14:31,882 INFO L933 BasicCegarLoop]: 352 mSDtfsCounter, 1108 mSDsluCounter, 4314 mSDsCounter, 0 mSdLazyCounter, 3333 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1108 SdHoareTripleChecker+Valid, 4663 SdHoareTripleChecker+Invalid, 3421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 3333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:31,882 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1108 Valid, 4663 Invalid, 3421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 3333 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:14:31,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5829 states. [2022-03-15 15:14:31,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5829 to 2864. [2022-03-15 15:14:31,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2864 states, 2855 states have (on average 1.9464098073555167) internal successors, (5557), 2863 states have internal predecessors, (5557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:31,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2864 states to 2864 states and 5557 transitions. [2022-03-15 15:14:31,921 INFO L78 Accepts]: Start accepts. Automaton has 2864 states and 5557 transitions. Word has length 141 [2022-03-15 15:14:31,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:31,921 INFO L470 AbstractCegarLoop]: Abstraction has 2864 states and 5557 transitions. [2022-03-15 15:14:31,921 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:31,921 INFO L276 IsEmpty]: Start isEmpty. Operand 2864 states and 5557 transitions. [2022-03-15 15:14:31,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:14:31,922 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:31,922 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:31,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2022-03-15 15:14:31,922 INFO L402 AbstractCegarLoop]: === Iteration 169 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:14:31,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:31,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1742935418, now seen corresponding path program 45 times [2022-03-15 15:14:31,923 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:31,923 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002667771] [2022-03-15 15:14:31,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:31,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:32,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:32,168 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:32,168 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002667771] [2022-03-15 15:14:32,168 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002667771] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:32,168 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:32,168 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:14:32,168 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791016963] [2022-03-15 15:14:32,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:32,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:14:32,169 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:32,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:14:32,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:14:32,169 INFO L87 Difference]: Start difference. First operand 2864 states and 5557 transitions. Second operand has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:34,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:34,143 INFO L93 Difference]: Finished difference Result 5357 states and 10368 transitions. [2022-03-15 15:14:34,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-03-15 15:14:34,143 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:14:34,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:34,148 INFO L225 Difference]: With dead ends: 5357 [2022-03-15 15:14:34,149 INFO L226 Difference]: Without dead ends: 5357 [2022-03-15 15:14:34,149 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1150 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=700, Invalid=3460, Unknown=0, NotChecked=0, Total=4160 [2022-03-15 15:14:34,149 INFO L933 BasicCegarLoop]: 368 mSDtfsCounter, 1432 mSDsluCounter, 3826 mSDsCounter, 0 mSdLazyCounter, 3793 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1432 SdHoareTripleChecker+Valid, 4191 SdHoareTripleChecker+Invalid, 3899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 3793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:34,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1432 Valid, 4191 Invalid, 3899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 3793 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-03-15 15:14:34,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5357 states. [2022-03-15 15:14:34,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5357 to 2876. [2022-03-15 15:14:34,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2876 states, 2867 states have (on average 1.9466341123125217) internal successors, (5581), 2875 states have internal predecessors, (5581), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:34,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2876 states to 2876 states and 5581 transitions. [2022-03-15 15:14:34,181 INFO L78 Accepts]: Start accepts. Automaton has 2876 states and 5581 transitions. Word has length 141 [2022-03-15 15:14:34,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:34,181 INFO L470 AbstractCegarLoop]: Abstraction has 2876 states and 5581 transitions. [2022-03-15 15:14:34,181 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:34,181 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 5581 transitions. [2022-03-15 15:14:34,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:14:34,182 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:34,183 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:34,183 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2022-03-15 15:14:34,183 INFO L402 AbstractCegarLoop]: === Iteration 170 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:14:34,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:34,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1695567728, now seen corresponding path program 46 times [2022-03-15 15:14:34,183 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:34,183 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169332729] [2022-03-15 15:14:34,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:34,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:34,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:34,407 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:34,407 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169332729] [2022-03-15 15:14:34,407 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169332729] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:34,407 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:34,407 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:14:34,407 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822831991] [2022-03-15 15:14:34,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:34,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:14:34,408 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:34,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:14:34,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:14:34,408 INFO L87 Difference]: Start difference. First operand 2876 states and 5581 transitions. Second operand has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:36,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:36,157 INFO L93 Difference]: Finished difference Result 5943 states and 11471 transitions. [2022-03-15 15:14:36,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2022-03-15 15:14:36,158 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:14:36,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:36,164 INFO L225 Difference]: With dead ends: 5943 [2022-03-15 15:14:36,164 INFO L226 Difference]: Without dead ends: 5943 [2022-03-15 15:14:36,164 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1362 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=865, Invalid=4105, Unknown=0, NotChecked=0, Total=4970 [2022-03-15 15:14:36,165 INFO L933 BasicCegarLoop]: 364 mSDtfsCounter, 1246 mSDsluCounter, 4408 mSDsCounter, 0 mSdLazyCounter, 3494 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1246 SdHoareTripleChecker+Valid, 4769 SdHoareTripleChecker+Invalid, 3588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 3494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:36,165 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1246 Valid, 4769 Invalid, 3588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 3494 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:14:36,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5943 states. [2022-03-15 15:14:36,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5943 to 2852. [2022-03-15 15:14:36,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2852 states, 2843 states have (on average 1.9461836088638762) internal successors, (5533), 2851 states have internal predecessors, (5533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:36,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 5533 transitions. [2022-03-15 15:14:36,199 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 5533 transitions. Word has length 141 [2022-03-15 15:14:36,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:36,199 INFO L470 AbstractCegarLoop]: Abstraction has 2852 states and 5533 transitions. [2022-03-15 15:14:36,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:36,199 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 5533 transitions. [2022-03-15 15:14:36,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:14:36,200 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:36,200 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:36,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable169 [2022-03-15 15:14:36,200 INFO L402 AbstractCegarLoop]: === Iteration 171 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:14:36,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:36,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1983043114, now seen corresponding path program 47 times [2022-03-15 15:14:36,201 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:36,201 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252945012] [2022-03-15 15:14:36,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:36,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:36,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:36,361 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:36,361 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252945012] [2022-03-15 15:14:36,361 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252945012] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:36,361 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:36,361 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:14:36,361 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550201983] [2022-03-15 15:14:36,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:36,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:14:36,361 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:36,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:14:36,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:14:36,362 INFO L87 Difference]: Start difference. First operand 2852 states and 5533 transitions. Second operand has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:37,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:37,896 INFO L93 Difference]: Finished difference Result 4273 states and 8263 transitions. [2022-03-15 15:14:37,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-03-15 15:14:37,896 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:14:37,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:37,901 INFO L225 Difference]: With dead ends: 4273 [2022-03-15 15:14:37,901 INFO L226 Difference]: Without dead ends: 4273 [2022-03-15 15:14:37,901 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 993 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=587, Invalid=3073, Unknown=0, NotChecked=0, Total=3660 [2022-03-15 15:14:37,901 INFO L933 BasicCegarLoop]: 317 mSDtfsCounter, 1409 mSDsluCounter, 3219 mSDsCounter, 0 mSdLazyCounter, 3004 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1409 SdHoareTripleChecker+Valid, 3533 SdHoareTripleChecker+Invalid, 3102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 3004 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:37,902 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1409 Valid, 3533 Invalid, 3102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 3004 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-03-15 15:14:37,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4273 states. [2022-03-15 15:14:37,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4273 to 2794. [2022-03-15 15:14:37,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2794 states, 2785 states have (on average 1.9450628366247755) internal successors, (5417), 2793 states have internal predecessors, (5417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:37,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2794 states to 2794 states and 5417 transitions. [2022-03-15 15:14:37,926 INFO L78 Accepts]: Start accepts. Automaton has 2794 states and 5417 transitions. Word has length 141 [2022-03-15 15:14:37,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:37,926 INFO L470 AbstractCegarLoop]: Abstraction has 2794 states and 5417 transitions. [2022-03-15 15:14:37,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:37,926 INFO L276 IsEmpty]: Start isEmpty. Operand 2794 states and 5417 transitions. [2022-03-15 15:14:37,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-03-15 15:14:37,927 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:37,927 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:37,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable170 [2022-03-15 15:14:37,927 INFO L402 AbstractCegarLoop]: === Iteration 172 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:14:37,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:37,928 INFO L85 PathProgramCache]: Analyzing trace with hash 2030410804, now seen corresponding path program 48 times [2022-03-15 15:14:37,928 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:37,928 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209588693] [2022-03-15 15:14:37,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:37,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:38,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:38,123 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:38,123 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209588693] [2022-03-15 15:14:38,124 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209588693] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:38,124 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:38,124 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-03-15 15:14:38,124 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866222547] [2022-03-15 15:14:38,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:38,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-03-15 15:14:38,124 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:38,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-03-15 15:14:38,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-03-15 15:14:38,124 INFO L87 Difference]: Start difference. First operand 2794 states and 5417 transitions. Second operand has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:39,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:39,964 INFO L93 Difference]: Finished difference Result 4313 states and 8304 transitions. [2022-03-15 15:14:39,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2022-03-15 15:14:39,964 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 141 [2022-03-15 15:14:39,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:39,968 INFO L225 Difference]: With dead ends: 4313 [2022-03-15 15:14:39,968 INFO L226 Difference]: Without dead ends: 4313 [2022-03-15 15:14:39,969 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1592 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=863, Invalid=4539, Unknown=0, NotChecked=0, Total=5402 [2022-03-15 15:14:39,969 INFO L933 BasicCegarLoop]: 293 mSDtfsCounter, 1507 mSDsluCounter, 3738 mSDsCounter, 0 mSdLazyCounter, 3468 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1507 SdHoareTripleChecker+Valid, 4028 SdHoareTripleChecker+Invalid, 3588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 3468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:39,969 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1507 Valid, 4028 Invalid, 3588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 3468 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-03-15 15:14:39,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4313 states. [2022-03-15 15:14:39,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4313 to 2563. [2022-03-15 15:14:39,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2563 states, 2555 states have (on average 1.9412915851272015) internal successors, (4960), 2562 states have internal predecessors, (4960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:39,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2563 states and 4960 transitions. [2022-03-15 15:14:39,994 INFO L78 Accepts]: Start accepts. Automaton has 2563 states and 4960 transitions. Word has length 141 [2022-03-15 15:14:39,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:39,994 INFO L470 AbstractCegarLoop]: Abstraction has 2563 states and 4960 transitions. [2022-03-15 15:14:39,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:39,995 INFO L276 IsEmpty]: Start isEmpty. Operand 2563 states and 4960 transitions. [2022-03-15 15:14:39,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-03-15 15:14:39,996 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:39,996 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:39,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable171 [2022-03-15 15:14:39,996 INFO L402 AbstractCegarLoop]: === Iteration 173 === Targeting t_funErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:14:39,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:39,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1727313849, now seen corresponding path program 1 times [2022-03-15 15:14:39,996 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:39,996 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122430478] [2022-03-15 15:14:39,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:39,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:14:40,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 15:14:40,055 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:14:40,055 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122430478] [2022-03-15 15:14:40,055 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122430478] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:14:40,055 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:14:40,056 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:14:40,056 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031572862] [2022-03-15 15:14:40,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:14:40,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:14:40,056 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:14:40,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:14:40,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:14:40,056 INFO L87 Difference]: Start difference. First operand 2563 states and 4960 transitions. Second operand has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:40,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:14:40,205 INFO L93 Difference]: Finished difference Result 2796 states and 5420 transitions. [2022-03-15 15:14:40,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:14:40,205 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2022-03-15 15:14:40,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:14:40,208 INFO L225 Difference]: With dead ends: 2796 [2022-03-15 15:14:40,208 INFO L226 Difference]: Without dead ends: 2796 [2022-03-15 15:14:40,208 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:14:40,208 INFO L933 BasicCegarLoop]: 246 mSDtfsCounter, 102 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:14:40,208 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [102 Valid, 536 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 15:14:40,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2796 states. [2022-03-15 15:14:40,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2796 to 2670. [2022-03-15 15:14:40,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2670 states, 2662 states have (on average 1.9425244177310292) internal successors, (5171), 2669 states have internal predecessors, (5171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:40,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2670 states to 2670 states and 5171 transitions. [2022-03-15 15:14:40,228 INFO L78 Accepts]: Start accepts. Automaton has 2670 states and 5171 transitions. Word has length 147 [2022-03-15 15:14:40,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:14:40,229 INFO L470 AbstractCegarLoop]: Abstraction has 2670 states and 5171 transitions. [2022-03-15 15:14:40,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:14:40,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2670 states and 5171 transitions. [2022-03-15 15:14:40,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-03-15 15:14:40,230 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:14:40,230 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:40,230 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable172 [2022-03-15 15:14:40,230 INFO L402 AbstractCegarLoop]: === Iteration 174 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 23 more)] === [2022-03-15 15:14:40,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:14:40,231 INFO L85 PathProgramCache]: Analyzing trace with hash 394193674, now seen corresponding path program 1 times [2022-03-15 15:14:40,231 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:14:40,231 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98397419] [2022-03-15 15:14:40,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:14:40,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:14:40,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 15:14:40,262 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-15 15:14:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 15:14:40,327 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-15 15:14:40,327 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-15 15:14:40,328 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (25 of 26 remaining) [2022-03-15 15:14:40,329 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 26 remaining) [2022-03-15 15:14:40,329 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (23 of 26 remaining) [2022-03-15 15:14:40,329 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 26 remaining) [2022-03-15 15:14:40,329 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (21 of 26 remaining) [2022-03-15 15:14:40,329 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (20 of 26 remaining) [2022-03-15 15:14:40,329 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (19 of 26 remaining) [2022-03-15 15:14:40,329 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (18 of 26 remaining) [2022-03-15 15:14:40,329 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (17 of 26 remaining) [2022-03-15 15:14:40,329 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (16 of 26 remaining) [2022-03-15 15:14:40,329 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (15 of 26 remaining) [2022-03-15 15:14:40,329 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (14 of 26 remaining) [2022-03-15 15:14:40,329 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (13 of 26 remaining) [2022-03-15 15:14:40,329 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (12 of 26 remaining) [2022-03-15 15:14:40,330 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (11 of 26 remaining) [2022-03-15 15:14:40,330 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (10 of 26 remaining) [2022-03-15 15:14:40,330 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (9 of 26 remaining) [2022-03-15 15:14:40,330 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (8 of 26 remaining) [2022-03-15 15:14:40,330 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONDATA_RACE (7 of 26 remaining) [2022-03-15 15:14:40,330 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (6 of 26 remaining) [2022-03-15 15:14:40,330 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (5 of 26 remaining) [2022-03-15 15:14:40,330 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (4 of 26 remaining) [2022-03-15 15:14:40,330 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 26 remaining) [2022-03-15 15:14:40,330 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr4ASSERT_VIOLATIONDATA_RACE (2 of 26 remaining) [2022-03-15 15:14:40,330 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr5ASSERT_VIOLATIONDATA_RACE (1 of 26 remaining) [2022-03-15 15:14:40,330 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr6ASSERT_VIOLATIONDATA_RACE (0 of 26 remaining) [2022-03-15 15:14:40,330 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable173 [2022-03-15 15:14:40,332 INFO L732 BasicCegarLoop]: Path program histogram: [48, 48, 34, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:14:40,335 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 15:14:40,335 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 15:14:40,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 03:14:40 BasicIcfg [2022-03-15 15:14:40,400 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 15:14:40,401 INFO L158 Benchmark]: Toolchain (without parser) took 342988.95ms. Allocated memory was 192.9MB in the beginning and 740.3MB in the end (delta: 547.4MB). Free memory was 166.8MB in the beginning and 569.6MB in the end (delta: -402.8MB). Peak memory consumption was 144.5MB. Max. memory is 8.0GB. [2022-03-15 15:14:40,401 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 192.9MB. Free memory is still 156.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 15:14:40,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 553.08ms. Allocated memory is still 192.9MB. Free memory was 166.5MB in the beginning and 137.7MB in the end (delta: 28.8MB). Peak memory consumption was 30.3MB. Max. memory is 8.0GB. [2022-03-15 15:14:40,401 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.99ms. Allocated memory is still 192.9MB. Free memory was 137.7MB in the beginning and 134.3MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-15 15:14:40,401 INFO L158 Benchmark]: Boogie Preprocessor took 40.91ms. Allocated memory is still 192.9MB. Free memory was 134.3MB in the beginning and 131.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 15:14:40,401 INFO L158 Benchmark]: RCFGBuilder took 457.99ms. Allocated memory was 192.9MB in the beginning and 231.7MB in the end (delta: 38.8MB). Free memory was 131.4MB in the beginning and 195.4MB in the end (delta: -64.0MB). Peak memory consumption was 16.0MB. Max. memory is 8.0GB. [2022-03-15 15:14:40,401 INFO L158 Benchmark]: TraceAbstraction took 341881.86ms. Allocated memory was 231.7MB in the beginning and 740.3MB in the end (delta: 508.6MB). Free memory was 194.8MB in the beginning and 569.6MB in the end (delta: -374.8MB). Peak memory consumption was 133.8MB. Max. memory is 8.0GB. [2022-03-15 15:14:40,401 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 192.9MB. Free memory is still 156.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 553.08ms. Allocated memory is still 192.9MB. Free memory was 166.5MB in the beginning and 137.7MB in the end (delta: 28.8MB). Peak memory consumption was 30.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.99ms. Allocated memory is still 192.9MB. Free memory was 137.7MB in the beginning and 134.3MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 40.91ms. Allocated memory is still 192.9MB. Free memory was 134.3MB in the beginning and 131.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 457.99ms. Allocated memory was 192.9MB in the beginning and 231.7MB in the end (delta: 38.8MB). Free memory was 131.4MB in the beginning and 195.4MB in the end (delta: -64.0MB). Peak memory consumption was 16.0MB. Max. memory is 8.0GB. * TraceAbstraction took 341881.86ms. Allocated memory was 231.7MB in the beginning and 740.3MB in the end (delta: 508.6MB). Free memory was 194.8MB in the beginning and 569.6MB in the end (delta: -374.8MB). Peak memory consumption was 133.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 1253]: Data race detected Data race detected The following path leads to a data race: [L1223-L1226] 0 struct s { int datum; struct s *next; } *A; VAL [A={0:0}] [L1231] 0 pthread_mutex_t A_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [A={0:0}, A_mutex={2:0}] [L1232] 0 pthread_mutex_t B_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [A={0:0}, A_mutex={2:0}, B_mutex={3:0}] [L1245] 0 pthread_t t1; VAL [A={0:0}, A_mutex={2:0}, B_mutex={3:0}, t1={13:0}] [L1246] 0 struct s *p = malloc(sizeof(struct s)); VAL [A={0:0}, A_mutex={2:0}, B_mutex={3:0}, malloc(sizeof(struct s))={-2:0}, p={-2:0}, t1={13:0}] [L1247] CALL 0 init(p,9) [L1228] 0 p -> datum = x VAL [\old(x)=9, A={0:0}, A_mutex={2:0}, B_mutex={3:0}, p={-2:0}, p={-2:0}, x=9] [L1229] 0 p -> next = ((void *)0) VAL [\old(x)=9, A={0:0}, A_mutex={2:0}, B_mutex={3:0}, p={-2:0}, p={-2:0}, x=9] [L1247] RET 0 init(p,9) [L1248] 0 A = malloc(sizeof(struct s)) VAL [A={11:0}, A = malloc(sizeof(struct s))=112, A_mutex={2:0}, B_mutex={3:0}, malloc(sizeof(struct s))={11:0}, p={-2:0}, t1={13:0}] [L1249] 0 init(A,3) VAL [A={11:0}, A_mutex={2:0}, B_mutex={3:0}, p={-2:0}, t1={13:0}] [L1249] CALL 0 init(A,3) [L1228] 0 p -> datum = x VAL [\old(x)=3, A={11:0}, A_mutex={2:0}, B_mutex={3:0}, p={11:0}, p={11:0}, x=3] [L1229] 0 p -> next = ((void *)0) VAL [\old(x)=3, A={11:0}, A_mutex={2:0}, B_mutex={3:0}, p={11:0}, p={11:0}, x=3] [L1249] RET 0 init(A,3) [L1250] EXPR 0 A->next VAL [A={11:0}, A_mutex={2:0}, B_mutex={3:0}, p={-2:0}, t1={13:0}] [L1250] 0 A->next = p VAL [A={11:0}, A_mutex={2:0}, B_mutex={3:0}, p={-2:0}, t1={13:0}] [L1251] FCALL, FORK 0 pthread_create(&t1, ((void *)0), t_fun, ((void *)0)) VAL [A={11:0}, A_mutex={2:0}, B_mutex={3:0}, p={-2:0}, pthread_create(&t1, ((void *)0), t_fun, ((void *)0))=-1, t1={13:0}] [L1234] 1 struct s *p = malloc(sizeof(struct s)); VAL [A={11:0}, A_mutex={2:0}, arg={0:0}, arg={0:0}, B_mutex={3:0}, malloc(sizeof(struct s))={-3:0}, p={-3:0}] [L1235] 1 struct s *t; VAL [A={11:0}, A_mutex={2:0}, arg={0:0}, arg={0:0}, B_mutex={3:0}, p={-3:0}] [L1236] CALL 1 init(p,7) [L1228] 1 p -> datum = x VAL [\old(x)=3, \old(x)=7, A={11:0}, A_mutex={2:0}, B_mutex={3:0}, p={-3:0}, p={-3:0}, p={11:0}, p={11:0}, x=7, x=3] [L1253] EXPR 0 A->next VAL [A={11:0}, A->next={-2:0}, A_mutex={2:0}, B_mutex={3:0}, p={-2:0}, t1={13:0}] [L1253] 0 p = A->next VAL [A={11:0}, A->next={-2:0}, A_mutex={2:0}, B_mutex={3:0}, p={-2:0}, t1={13:0}] [L1229] 1 p -> next = ((void *)0) VAL [\old(x)=7, \old(x)=3, A={11:0}, A_mutex={2:0}, B_mutex={3:0}, p={-3:0}, p={-3:0}, p={11:0}, p={11:0}, x=7, x=3] [L1236] RET 1 init(p,7) [L1238] EXPR 1 A->next VAL [A={11:0}, A->next={-2:0}, A_mutex={2:0}, arg={0:0}, arg={0:0}, B_mutex={3:0}, p={-3:0}] [L1238] 1 t = A->next VAL [A={11:0}, A->next={-2:0}, A_mutex={2:0}, arg={0:0}, arg={0:0}, B_mutex={3:0}, p={-3:0}, t={-2:0}] [L1239] EXPR 1 A->next VAL [A={11:0}, A_mutex={2:0}, arg={0:0}, arg={0:0}, B_mutex={3:0}, p={-3:0}, t={-2:0}] [L1239] 1 A->next = p VAL [A={11:0}, A->next = p=118, A_mutex={2:0}, arg={0:0}, arg={0:0}, B_mutex={3:0}, p={-3:0}, t={-2:0}] [L1253] 0 p = A->next VAL [A={11:0}, A->next={-2:0}, A_mutex={2:0}, B_mutex={3:0}, p={-2:0}, t1={13:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: p -> next = ((void *)0) [1229] * C: A->next = p [1250] * C: p -> next = ((void *)0) [1229] * C: p -> datum = x [1228] * C: A->next = p [1250] * C: A->next = p [1250] * C: A->next = p [1239] * C: p -> datum = x [1228] * C: p -> datum = x [1228] * C: p -> next = ((void *)0) [1229] * C: p -> datum = x [1228] * C: A = malloc(sizeof(struct s)) [1248] * C: p -> next = ((void *)0) [1229] * C: A->next = p [1250] and C: p = A->next [1253] - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1248]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1249]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1250]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1250]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1253]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1254]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1251]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1238]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1239]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1239]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1240]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 277 locations, 26 error locations. Started 1 CEGAR loops. OverallTime: 341.6s, OverallIterations: 174, TraceHistogramMax: 1, PathProgramHistogramMax: 48, EmptinessCheckTime: 0.2s, AutomataDifference: 293.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 206972 SdHoareTripleChecker+Valid, 185.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 206972 mSDsluCounter, 616095 SdHoareTripleChecker+Invalid, 155.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 559405 mSDsCounter, 34087 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 499518 IncrementalHoareTripleChecker+Invalid, 533605 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34087 mSolverCounterUnsat, 57217 mSDtfsCounter, 499518 mSolverCounterSat, 1.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10549 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 10258 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204352 ImplicationChecksByTransitivity, 115.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3340occurred in iteration=85, InterpolantAutomatonStates: 8795, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.1s AutomataMinimizationTime, 173 MinimizatonAttempts, 368922 StatesRemovedByMinimization, 168 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 36.4s InterpolantComputationTime, 22859 NumberOfCodeBlocks, 22859 NumberOfCodeBlocksAsserted, 174 NumberOfCheckSat, 22531 ConstructedInterpolants, 0 QuantifiedInterpolants, 208059 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 173 InterpolantComputations, 173 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-03-15 15:14:40,521 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...