/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.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/06-symbeq_06-tricky_address1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 20:13:20,340 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 20:13:20,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 20:13:20,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 20:13:20,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 20:13:20,378 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 20:13:20,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 20:13:20,384 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 20:13:20,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 20:13:20,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 20:13:20,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 20:13:20,387 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 20:13:20,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 20:13:20,388 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 20:13:20,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 20:13:20,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 20:13:20,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 20:13:20,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 20:13:20,391 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 20:13:20,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 20:13:20,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 20:13:20,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 20:13:20,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 20:13:20,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 20:13:20,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 20:13:20,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 20:13:20,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 20:13:20,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 20:13:20,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 20:13:20,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-15 20:13:20,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-15 20:13:20,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-15 20:13:20,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-15 20:13:20,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-15 20:13:20,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-15 20:13:20,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-15 20:13:20,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-15 20:13:20,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-15 20:13:20,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 20:13:20,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 20:13:20,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 20:13:20,418 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2022-03-15 20:13:20,444 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 20:13:20,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 20:13:20,445 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 20:13:20,445 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 20:13:20,446 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 20:13:20,446 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 20:13:20,446 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 20:13:20,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 20:13:20,446 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 20:13:20,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 20:13:20,447 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 20:13:20,447 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 20:13:20,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 20:13:20,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 20:13:20,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 20:13:20,447 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 20:13:20,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 20:13:20,448 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 20:13:20,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 20:13:20,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 20:13:20,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 20:13:20,448 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 20:13:20,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 20:13:20,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:13:20,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 20:13:20,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 20:13:20,448 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 20:13:20,448 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 20:13:20,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 20:13:20,449 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 20:13:20,449 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 20:13:20,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 20:13:20,450 INFO L138 SettingsManager]: * Interpolant automaton=MCR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-15 20:13:20,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 20:13:20,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 20:13:20,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 20:13:20,646 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 20:13:20,647 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 20:13:20,648 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_06-tricky_address1.i [2022-03-15 20:13:20,701 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a120c192e/465b4506410745aea5fea7d500af78c4/FLAG4e85d3da7 [2022-03-15 20:13:21,179 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 20:13:21,179 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_06-tricky_address1.i [2022-03-15 20:13:21,200 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a120c192e/465b4506410745aea5fea7d500af78c4/FLAG4e85d3da7 [2022-03-15 20:13:21,470 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a120c192e/465b4506410745aea5fea7d500af78c4 [2022-03-15 20:13:21,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 20:13:21,473 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 20:13:21,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 20:13:21,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 20:13:21,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 20:13:21,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 08:13:21" (1/1) ... [2022-03-15 20:13:21,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44bbfb12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:21, skipping insertion in model container [2022-03-15 20:13:21,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 08:13:21" (1/1) ... [2022-03-15 20:13:21,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 20:13:21,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 20:13:21,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 20:13:21,977 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 20:13:22,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 20:13:22,065 INFO L208 MainTranslator]: Completed translation [2022-03-15 20:13:22,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:22 WrapperNode [2022-03-15 20:13:22,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 20:13:22,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 20:13:22,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 20:13:22,069 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 20:13:22,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:22" (1/1) ... [2022-03-15 20:13:22,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:22" (1/1) ... [2022-03-15 20:13:22,112 INFO L137 Inliner]: procedures = 264, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 88 [2022-03-15 20:13:22,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 20:13:22,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 20:13:22,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 20:13:22,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 20:13:22,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:22" (1/1) ... [2022-03-15 20:13:22,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:22" (1/1) ... [2022-03-15 20:13:22,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:22" (1/1) ... [2022-03-15 20:13:22,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:22" (1/1) ... [2022-03-15 20:13:22,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:22" (1/1) ... [2022-03-15 20:13:22,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:22" (1/1) ... [2022-03-15 20:13:22,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:22" (1/1) ... [2022-03-15 20:13:22,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 20:13:22,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 20:13:22,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 20:13:22,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 20:13:22,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:22" (1/1) ... [2022-03-15 20:13:22,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:13:22,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:22,192 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 20:13:22,211 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 20:13:22,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 20:13:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 20:13:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 20:13:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 20:13:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-15 20:13:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 20:13:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-15 20:13:22,223 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-15 20:13:22,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 20:13:22,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 20:13:22,224 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 20:13:22,361 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 20:13:22,362 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 20:13:22,531 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 20:13:22,536 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 20:13:22,536 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-03-15 20:13:22,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:13:22 BoogieIcfgContainer [2022-03-15 20:13:22,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 20:13:22,539 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 20:13:22,539 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 20:13:22,544 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 20:13:22,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 08:13:21" (1/3) ... [2022-03-15 20:13:22,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f553f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 08:13:22, skipping insertion in model container [2022-03-15 20:13:22,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:22" (2/3) ... [2022-03-15 20:13:22,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f553f71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 08:13:22, skipping insertion in model container [2022-03-15 20:13:22,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:13:22" (3/3) ... [2022-03-15 20:13:22,546 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-symbeq_06-tricky_address1.i [2022-03-15 20:13:22,549 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 20:13:22,550 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 20:13:22,550 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-03-15 20:13:22,550 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 20:13:22,587 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,588 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,589 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,590 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,593 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,596 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,597 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,599 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,600 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,601 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,602 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,603 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,604 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,606 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,607 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,609 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,610 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,610 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,610 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,610 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,610 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,610 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,610 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,610 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,611 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:22,612 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 20:13:22,652 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 20:13:22,656 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=Craig_NestedInterpolation, mInterpolantAutomaton=MCR, 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=true, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 20:13:22,657 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-03-15 20:13:22,665 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 20:13:22,673 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 103 transitions, 211 flow [2022-03-15 20:13:22,676 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 103 transitions, 211 flow [2022-03-15 20:13:22,677 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 103 places, 103 transitions, 211 flow [2022-03-15 20:13:22,726 INFO L129 PetriNetUnfolder]: 4/102 cut-off events. [2022-03-15 20:13:22,726 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-03-15 20:13:22,729 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 102 events. 4/102 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 85 event pairs, 0 based on Foata normal form. 0/94 useless extension candidates. Maximal degree in co-relation 67. Up to 2 conditions per place. [2022-03-15 20:13:22,731 INFO L116 LiptonReduction]: Number of co-enabled transitions 2220 [2022-03-15 20:13:24,236 INFO L131 LiptonReduction]: Checked pairs total: 8031 [2022-03-15 20:13:24,236 INFO L133 LiptonReduction]: Total number of compositions: 75 [2022-03-15 20:13:24,244 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 40 places, 37 transitions, 79 flow [2022-03-15 20:13:24,282 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 288 states, 280 states have (on average 1.9285714285714286) internal successors, (540), 287 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:24,284 INFO L276 IsEmpty]: Start isEmpty. Operand has 288 states, 280 states have (on average 1.9285714285714286) internal successors, (540), 287 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:24,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-03-15 20:13:24,288 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:24,288 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:24,289 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:24,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:24,296 INFO L85 PathProgramCache]: Analyzing trace with hash -92493637, now seen corresponding path program 1 times [2022-03-15 20:13:24,309 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:24,309 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475862271] [2022-03-15 20:13:24,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:24,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:24,486 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 20:13:24,487 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:24,487 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475862271] [2022-03-15 20:13:24,487 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475862271] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:24,487 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:13:24,488 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 20:13:24,488 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [18165037] [2022-03-15 20:13:24,489 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:24,491 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:24,502 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2022-03-15 20:13:24,502 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:24,505 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:24,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 20:13:24,506 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:24,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 20:13:24,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:13:24,520 INFO L87 Difference]: Start difference. First operand has 288 states, 280 states have (on average 1.9285714285714286) internal successors, (540), 287 states have internal predecessors, (540), 0 states have call successors, (0), 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 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:24,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:24,550 INFO L93 Difference]: Finished difference Result 289 states and 541 transitions. [2022-03-15 20:13:24,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:13:24,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 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 10 [2022-03-15 20:13:24,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:24,561 INFO L225 Difference]: With dead ends: 289 [2022-03-15 20:13:24,561 INFO L226 Difference]: Without dead ends: 289 [2022-03-15 20:13:24,562 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 20:13:24,564 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:24,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:24,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2022-03-15 20:13:24,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2022-03-15 20:13:24,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 281 states have (on average 1.9252669039145907) internal successors, (541), 288 states have internal predecessors, (541), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:24,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 541 transitions. [2022-03-15 20:13:24,605 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 541 transitions. Word has length 10 [2022-03-15 20:13:24,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:24,605 INFO L470 AbstractCegarLoop]: Abstraction has 289 states and 541 transitions. [2022-03-15 20:13:24,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:24,605 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 541 transitions. [2022-03-15 20:13:24,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-03-15 20:13:24,606 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:24,606 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:24,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 20:13:24,606 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:24,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:24,607 INFO L85 PathProgramCache]: Analyzing trace with hash -476715859, now seen corresponding path program 1 times [2022-03-15 20:13:24,608 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:24,608 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603277550] [2022-03-15 20:13:24,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:24,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:24,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:24,643 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:24,643 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603277550] [2022-03-15 20:13:24,643 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603277550] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:24,644 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173280130] [2022-03-15 20:13:24,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:24,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:24,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:24,652 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:24,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-15 20:13:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:24,705 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-15 20:13:24,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:24,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:24,755 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:24,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:24,779 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173280130] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:24,779 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:24,779 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-03-15 20:13:24,780 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1707951614] [2022-03-15 20:13:24,780 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:24,781 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:24,782 INFO L252 McrAutomatonBuilder]: Finished intersection with 12 states and 11 transitions. [2022-03-15 20:13:24,782 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:24,783 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:24,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 20:13:24,783 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:24,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 20:13:24,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-03-15 20:13:24,784 INFO L87 Difference]: Start difference. First operand 289 states and 541 transitions. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:24,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:24,811 INFO L93 Difference]: Finished difference Result 290 states and 542 transitions. [2022-03-15 20:13:24,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 20:13:24,812 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 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 11 [2022-03-15 20:13:24,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:24,814 INFO L225 Difference]: With dead ends: 290 [2022-03-15 20:13:24,814 INFO L226 Difference]: Without dead ends: 290 [2022-03-15 20:13:24,814 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-03-15 20:13:24,815 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:24,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:24,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2022-03-15 20:13:24,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2022-03-15 20:13:24,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 282 states have (on average 1.9219858156028369) internal successors, (542), 289 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:24,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 542 transitions. [2022-03-15 20:13:24,827 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 542 transitions. Word has length 11 [2022-03-15 20:13:24,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:24,828 INFO L470 AbstractCegarLoop]: Abstraction has 290 states and 542 transitions. [2022-03-15 20:13:24,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:24,828 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 542 transitions. [2022-03-15 20:13:24,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-03-15 20:13:24,828 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:24,828 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:24,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:25,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:25,046 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:25,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:25,046 INFO L85 PathProgramCache]: Analyzing trace with hash 497297147, now seen corresponding path program 2 times [2022-03-15 20:13:25,048 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:25,048 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520343852] [2022-03-15 20:13:25,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:25,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:25,098 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:25,099 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:25,099 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520343852] [2022-03-15 20:13:25,099 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520343852] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:25,099 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287300995] [2022-03-15 20:13:25,099 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 20:13:25,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:25,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:25,117 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:25,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-15 20:13:25,190 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 20:13:25,190 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:25,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-15 20:13:25,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:25,237 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-03-15 20:13:25,261 INFO L353 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2022-03-15 20:13:25,262 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2022-03-15 20:13:25,300 INFO L353 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2022-03-15 20:13:25,301 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 42 [2022-03-15 20:13:25,342 INFO L353 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2022-03-15 20:13:25,342 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 57 [2022-03-15 20:13:25,359 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-15 20:13:25,359 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 20:13:25,360 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287300995] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:25,360 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 20:13:25,360 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 9 [2022-03-15 20:13:25,360 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [140085224] [2022-03-15 20:13:25,360 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:25,362 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:25,363 INFO L252 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2022-03-15 20:13:25,363 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:25,364 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:25,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 20:13:25,364 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:25,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 20:13:25,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-03-15 20:13:25,365 INFO L87 Difference]: Start difference. First operand 290 states and 542 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:25,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:25,566 INFO L93 Difference]: Finished difference Result 322 states and 600 transitions. [2022-03-15 20:13:25,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 20:13:25,567 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 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 12 [2022-03-15 20:13:25,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:25,571 INFO L225 Difference]: With dead ends: 322 [2022-03-15 20:13:25,571 INFO L226 Difference]: Without dead ends: 322 [2022-03-15 20:13:25,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-03-15 20:13:25,580 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 36 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:25,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [36 Valid, 17 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 20:13:25,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2022-03-15 20:13:25,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 308. [2022-03-15 20:13:25,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 301 states have (on average 1.9069767441860466) internal successors, (574), 307 states have internal predecessors, (574), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:25,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 574 transitions. [2022-03-15 20:13:25,596 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 574 transitions. Word has length 12 [2022-03-15 20:13:25,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:25,596 INFO L470 AbstractCegarLoop]: Abstraction has 308 states and 574 transitions. [2022-03-15 20:13:25,596 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:25,596 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 574 transitions. [2022-03-15 20:13:25,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-03-15 20:13:25,597 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:25,597 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:25,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:25,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-03-15 20:13:25,812 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:25,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:25,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1436878951, now seen corresponding path program 1 times [2022-03-15 20:13:25,815 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:25,815 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394477399] [2022-03-15 20:13:25,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:25,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:25,892 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:25,893 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:25,893 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394477399] [2022-03-15 20:13:25,893 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394477399] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:25,893 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673358641] [2022-03-15 20:13:25,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:25,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:25,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:25,916 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:25,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-15 20:13:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:25,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2022-03-15 20:13:25,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:25,988 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:25,989 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:26,022 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:26,023 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1673358641] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:26,023 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:26,023 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-03-15 20:13:26,023 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [198664732] [2022-03-15 20:13:26,023 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:26,024 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:26,025 INFO L252 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2022-03-15 20:13:26,025 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:26,025 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:26,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-15 20:13:26,026 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:26,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-15 20:13:26,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-03-15 20:13:26,026 INFO L87 Difference]: Start difference. First operand 308 states and 574 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:26,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:26,047 INFO L93 Difference]: Finished difference Result 309 states and 575 transitions. [2022-03-15 20:13:26,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-15 20:13:26,047 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 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 12 [2022-03-15 20:13:26,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:26,048 INFO L225 Difference]: With dead ends: 309 [2022-03-15 20:13:26,048 INFO L226 Difference]: Without dead ends: 309 [2022-03-15 20:13:26,049 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2022-03-15 20:13:26,049 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:26,049 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:26,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2022-03-15 20:13:26,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2022-03-15 20:13:26,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 302 states have (on average 1.903973509933775) internal successors, (575), 308 states have internal predecessors, (575), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:26,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 575 transitions. [2022-03-15 20:13:26,058 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 575 transitions. Word has length 12 [2022-03-15 20:13:26,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:26,058 INFO L470 AbstractCegarLoop]: Abstraction has 309 states and 575 transitions. [2022-03-15 20:13:26,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:26,058 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 575 transitions. [2022-03-15 20:13:26,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-03-15 20:13:26,059 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:26,081 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:26,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:26,298 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:26,299 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:26,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:26,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1566511065, now seen corresponding path program 2 times [2022-03-15 20:13:26,300 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:26,300 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593436370] [2022-03-15 20:13:26,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:26,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:26,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:26,368 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:26,369 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:26,369 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593436370] [2022-03-15 20:13:26,369 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593436370] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:26,369 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1522861543] [2022-03-15 20:13:26,369 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 20:13:26,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:26,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:26,371 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:26,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-15 20:13:26,432 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 20:13:26,432 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:26,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-15 20:13:26,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:26,446 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:13:26,460 INFO L353 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-03-15 20:13:26,460 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:13:26,488 INFO L353 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2022-03-15 20:13:26,488 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:13:26,521 INFO L353 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2022-03-15 20:13:26,521 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 44 [2022-03-15 20:13:26,535 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-03-15 20:13:26,535 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 20:13:26,535 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1522861543] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:26,535 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 20:13:26,535 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 10 [2022-03-15 20:13:26,535 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [876839288] [2022-03-15 20:13:26,536 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:26,537 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:26,538 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2022-03-15 20:13:26,538 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:26,538 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:26,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 20:13:26,538 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:26,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 20:13:26,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-15 20:13:26,539 INFO L87 Difference]: Start difference. First operand 309 states and 575 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:26,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:26,689 INFO L93 Difference]: Finished difference Result 342 states and 635 transitions. [2022-03-15 20:13:26,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 20:13:26,689 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 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 13 [2022-03-15 20:13:26,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:26,691 INFO L225 Difference]: With dead ends: 342 [2022-03-15 20:13:26,691 INFO L226 Difference]: Without dead ends: 342 [2022-03-15 20:13:26,691 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-03-15 20:13:26,691 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 34 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:26,692 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 35 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 20:13:26,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2022-03-15 20:13:26,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 328. [2022-03-15 20:13:26,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 321 states have (on average 1.897196261682243) internal successors, (609), 327 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:26,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 609 transitions. [2022-03-15 20:13:26,698 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 609 transitions. Word has length 13 [2022-03-15 20:13:26,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:26,698 INFO L470 AbstractCegarLoop]: Abstraction has 328 states and 609 transitions. [2022-03-15 20:13:26,698 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:26,698 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 609 transitions. [2022-03-15 20:13:26,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-03-15 20:13:26,699 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:26,699 INFO L514 BasicCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:26,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:26,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:26,917 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:26,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:26,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1714882755, now seen corresponding path program 1 times [2022-03-15 20:13:26,918 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:26,918 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193639890] [2022-03-15 20:13:26,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:26,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:26,952 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:26,953 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:26,953 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193639890] [2022-03-15 20:13:26,953 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193639890] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:26,953 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1679689642] [2022-03-15 20:13:26,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:26,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:26,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:26,972 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:26,975 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-15 20:13:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:27,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 5 conjunts are in the unsatisfiable core [2022-03-15 20:13:27,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:27,066 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:27,066 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:27,106 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:27,106 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1679689642] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:27,106 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:27,106 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-03-15 20:13:27,106 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1356187744] [2022-03-15 20:13:27,106 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:27,109 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:27,112 INFO L252 McrAutomatonBuilder]: Finished intersection with 20 states and 19 transitions. [2022-03-15 20:13:27,112 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:27,112 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:27,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 20:13:27,112 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:27,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 20:13:27,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2022-03-15 20:13:27,113 INFO L87 Difference]: Start difference. First operand 328 states and 609 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:27,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:27,129 INFO L93 Difference]: Finished difference Result 329 states and 610 transitions. [2022-03-15 20:13:27,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 20:13:27,130 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 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 19 [2022-03-15 20:13:27,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:27,131 INFO L225 Difference]: With dead ends: 329 [2022-03-15 20:13:27,131 INFO L226 Difference]: Without dead ends: 329 [2022-03-15 20:13:27,131 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2022-03-15 20:13:27,131 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:27,132 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:27,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2022-03-15 20:13:27,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2022-03-15 20:13:27,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 322 states have (on average 1.8944099378881987) internal successors, (610), 328 states have internal predecessors, (610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:27,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 610 transitions. [2022-03-15 20:13:27,137 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 610 transitions. Word has length 19 [2022-03-15 20:13:27,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:27,137 INFO L470 AbstractCegarLoop]: Abstraction has 329 states and 610 transitions. [2022-03-15 20:13:27,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:27,138 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 610 transitions. [2022-03-15 20:13:27,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-03-15 20:13:27,138 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:27,138 INFO L514 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:27,179 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-03-15 20:13:27,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:27,355 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:27,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:27,356 INFO L85 PathProgramCache]: Analyzing trace with hash -2084758255, now seen corresponding path program 2 times [2022-03-15 20:13:27,356 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:27,356 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816969560] [2022-03-15 20:13:27,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:27,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:27,394 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:27,394 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:27,394 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816969560] [2022-03-15 20:13:27,394 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816969560] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:27,394 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574310926] [2022-03-15 20:13:27,394 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 20:13:27,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:27,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:27,396 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:27,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-03-15 20:13:27,453 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 20:13:27,453 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:27,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-15 20:13:27,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:27,472 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-03-15 20:13:27,486 INFO L353 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2022-03-15 20:13:27,486 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2022-03-15 20:13:27,515 INFO L353 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2022-03-15 20:13:27,516 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 42 [2022-03-15 20:13:27,550 INFO L353 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2022-03-15 20:13:27,551 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 57 [2022-03-15 20:13:27,566 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-03-15 20:13:27,566 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 20:13:27,566 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574310926] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:27,566 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 20:13:27,566 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 11 [2022-03-15 20:13:27,566 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1736967805] [2022-03-15 20:13:27,567 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:27,569 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:27,572 INFO L252 McrAutomatonBuilder]: Finished intersection with 21 states and 20 transitions. [2022-03-15 20:13:27,572 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:27,573 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:27,573 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 20:13:27,573 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:27,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 20:13:27,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-03-15 20:13:27,573 INFO L87 Difference]: Start difference. First operand 329 states and 610 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:27,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:27,703 INFO L93 Difference]: Finished difference Result 396 states and 737 transitions. [2022-03-15 20:13:27,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 20:13:27,704 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 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 20 [2022-03-15 20:13:27,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:27,706 INFO L225 Difference]: With dead ends: 396 [2022-03-15 20:13:27,706 INFO L226 Difference]: Without dead ends: 370 [2022-03-15 20:13:27,706 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-03-15 20:13:27,707 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 34 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:27,707 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [34 Valid, 17 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 20:13:27,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2022-03-15 20:13:27,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 355. [2022-03-15 20:13:27,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 348 states have (on average 1.8850574712643677) internal successors, (656), 354 states have internal predecessors, (656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:27,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 656 transitions. [2022-03-15 20:13:27,713 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 656 transitions. Word has length 20 [2022-03-15 20:13:27,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:27,714 INFO L470 AbstractCegarLoop]: Abstraction has 355 states and 656 transitions. [2022-03-15 20:13:27,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:27,714 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 656 transitions. [2022-03-15 20:13:27,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-03-15 20:13:27,714 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:27,714 INFO L514 BasicCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:27,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:27,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:27,931 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:27,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:27,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1294359867, now seen corresponding path program 1 times [2022-03-15 20:13:27,933 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:27,933 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189628171] [2022-03-15 20:13:27,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:27,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:28,017 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:28,017 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:28,017 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189628171] [2022-03-15 20:13:28,017 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189628171] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:28,017 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434121112] [2022-03-15 20:13:28,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:28,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:28,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:28,019 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:28,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-03-15 20:13:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:28,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 6 conjunts are in the unsatisfiable core [2022-03-15 20:13:28,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:28,116 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:28,116 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:28,159 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:28,160 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434121112] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:28,160 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:28,160 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2022-03-15 20:13:28,160 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [627720123] [2022-03-15 20:13:28,160 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:28,185 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:28,188 INFO L252 McrAutomatonBuilder]: Finished intersection with 21 states and 20 transitions. [2022-03-15 20:13:28,188 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:28,188 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:28,188 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-15 20:13:28,188 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:28,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-15 20:13:28,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:28,189 INFO L87 Difference]: Start difference. First operand 355 states and 656 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:28,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:28,212 INFO L93 Difference]: Finished difference Result 356 states and 657 transitions. [2022-03-15 20:13:28,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-15 20:13:28,212 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 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 20 [2022-03-15 20:13:28,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:28,213 INFO L225 Difference]: With dead ends: 356 [2022-03-15 20:13:28,213 INFO L226 Difference]: Without dead ends: 356 [2022-03-15 20:13:28,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:28,214 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:28,214 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:28,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2022-03-15 20:13:28,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2022-03-15 20:13:28,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 349 states have (on average 1.8825214899713467) internal successors, (657), 355 states have internal predecessors, (657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:28,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 657 transitions. [2022-03-15 20:13:28,220 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 657 transitions. Word has length 20 [2022-03-15 20:13:28,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:28,220 INFO L470 AbstractCegarLoop]: Abstraction has 356 states and 657 transitions. [2022-03-15 20:13:28,220 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:28,221 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 657 transitions. [2022-03-15 20:13:28,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-03-15 20:13:28,221 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:28,221 INFO L514 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:28,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:28,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:28,438 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:28,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:28,438 INFO L85 PathProgramCache]: Analyzing trace with hash -530394451, now seen corresponding path program 2 times [2022-03-15 20:13:28,439 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:28,439 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001004646] [2022-03-15 20:13:28,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:28,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:28,479 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:28,479 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:28,479 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001004646] [2022-03-15 20:13:28,479 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001004646] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:28,479 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370509363] [2022-03-15 20:13:28,479 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 20:13:28,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:28,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:28,481 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:28,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-03-15 20:13:28,544 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 20:13:28,545 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:28,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 17 conjunts are in the unsatisfiable core [2022-03-15 20:13:28,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:28,564 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:13:28,576 INFO L353 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-03-15 20:13:28,576 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:13:28,599 INFO L353 Elim1Store]: treesize reduction 56, result has 23.3 percent of original size [2022-03-15 20:13:28,599 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:13:28,629 INFO L353 Elim1Store]: treesize reduction 104, result has 20.0 percent of original size [2022-03-15 20:13:28,629 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 44 [2022-03-15 20:13:28,644 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-03-15 20:13:28,645 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 20:13:28,645 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370509363] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:28,645 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 20:13:28,645 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 12 [2022-03-15 20:13:28,645 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [514442172] [2022-03-15 20:13:28,645 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:28,647 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:28,650 INFO L252 McrAutomatonBuilder]: Finished intersection with 22 states and 21 transitions. [2022-03-15 20:13:28,650 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:28,650 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:28,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 20:13:28,651 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:28,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 20:13:28,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2022-03-15 20:13:28,651 INFO L87 Difference]: Start difference. First operand 356 states and 657 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:28,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:28,763 INFO L93 Difference]: Finished difference Result 407 states and 751 transitions. [2022-03-15 20:13:28,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 20:13:28,763 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 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 21 [2022-03-15 20:13:28,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:28,765 INFO L225 Difference]: With dead ends: 407 [2022-03-15 20:13:28,765 INFO L226 Difference]: Without dead ends: 381 [2022-03-15 20:13:28,765 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2022-03-15 20:13:28,765 INFO L933 BasicCegarLoop]: 25 mSDtfsCounter, 32 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:28,765 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 35 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 20:13:28,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2022-03-15 20:13:28,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2022-03-15 20:13:28,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 374 states have (on average 1.8636363636363635) internal successors, (697), 380 states have internal predecessors, (697), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:28,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 697 transitions. [2022-03-15 20:13:28,771 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 697 transitions. Word has length 21 [2022-03-15 20:13:28,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:28,772 INFO L470 AbstractCegarLoop]: Abstraction has 381 states and 697 transitions. [2022-03-15 20:13:28,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:28,772 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 697 transitions. [2022-03-15 20:13:28,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-03-15 20:13:28,772 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:28,772 INFO L514 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:28,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:28,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-03-15 20:13:28,989 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:28,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:28,990 INFO L85 PathProgramCache]: Analyzing trace with hash 2083369374, now seen corresponding path program 1 times [2022-03-15 20:13:28,991 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:28,991 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841065452] [2022-03-15 20:13:28,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:28,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:29,030 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:29,030 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:29,030 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841065452] [2022-03-15 20:13:29,031 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841065452] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:29,031 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920059947] [2022-03-15 20:13:29,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:29,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:29,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:29,032 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:29,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-03-15 20:13:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:29,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 7 conjunts are in the unsatisfiable core [2022-03-15 20:13:29,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:29,129 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:29,129 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:29,181 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:29,182 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920059947] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:29,182 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:29,182 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2022-03-15 20:13:29,182 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1067374066] [2022-03-15 20:13:29,182 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:29,185 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:29,193 INFO L252 McrAutomatonBuilder]: Finished intersection with 37 states and 48 transitions. [2022-03-15 20:13:29,193 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:29,242 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:29,243 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-03-15 20:13:29,243 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:29,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-03-15 20:13:29,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:29,243 INFO L87 Difference]: Start difference. First operand 381 states and 697 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:29,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:29,277 INFO L93 Difference]: Finished difference Result 382 states and 698 transitions. [2022-03-15 20:13:29,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-15 20:13:29,278 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 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 24 [2022-03-15 20:13:29,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:29,279 INFO L225 Difference]: With dead ends: 382 [2022-03-15 20:13:29,279 INFO L226 Difference]: Without dead ends: 382 [2022-03-15 20:13:29,279 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:29,280 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:29,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:29,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2022-03-15 20:13:29,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2022-03-15 20:13:29,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 375 states have (on average 1.8613333333333333) internal successors, (698), 381 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:29,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 698 transitions. [2022-03-15 20:13:29,287 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 698 transitions. Word has length 24 [2022-03-15 20:13:29,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:29,287 INFO L470 AbstractCegarLoop]: Abstraction has 382 states and 698 transitions. [2022-03-15 20:13:29,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:29,287 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 698 transitions. [2022-03-15 20:13:29,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-03-15 20:13:29,295 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:29,295 INFO L514 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:29,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:29,496 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-03-15 20:13:29,496 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:29,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:29,496 INFO L85 PathProgramCache]: Analyzing trace with hash -2006049264, now seen corresponding path program 2 times [2022-03-15 20:13:29,497 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:29,497 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680710093] [2022-03-15 20:13:29,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:29,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:29,573 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:29,573 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:29,573 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680710093] [2022-03-15 20:13:29,573 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680710093] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:29,573 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225023013] [2022-03-15 20:13:29,573 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 20:13:29,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:29,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:29,575 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:29,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-03-15 20:13:29,669 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 20:13:29,669 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:29,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 31 conjunts are in the unsatisfiable core [2022-03-15 20:13:29,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:29,688 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-03-15 20:13:29,723 INFO L353 Elim1Store]: treesize reduction 7, result has 53.3 percent of original size [2022-03-15 20:13:29,724 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 15 [2022-03-15 20:13:29,762 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-03-15 20:13:29,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:29,796 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2022-03-15 20:13:29,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:29,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:29,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:29,841 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 42 [2022-03-15 20:13:29,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:29,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:29,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:29,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:29,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:29,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:29,887 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 57 [2022-03-15 20:13:29,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:29,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:29,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:29,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:29,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:29,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:29,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:29,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:29,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:29,952 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:13:29,952 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 59 treesize of output 67 [2022-03-15 20:13:32,938 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-03-15 20:13:32,938 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 20:13:32,938 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1225023013] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:32,938 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 20:13:32,938 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 16 [2022-03-15 20:13:32,938 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1595641680] [2022-03-15 20:13:32,938 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:32,943 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:32,953 INFO L252 McrAutomatonBuilder]: Finished intersection with 38 states and 49 transitions. [2022-03-15 20:13:32,953 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:33,950 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 4 new interpolants: [11617#(and (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (= 0 (mod (+ (* |t_funThread1of1ForFork0_~p~0#1.offset| 27) |~#a~0.offset|) 28)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0)) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|))))), 11618#(and (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|)) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (= 0 (mod (+ (* |t_funThread1of1ForFork0_~p~0#1.offset| 27) |~#a~0.offset|) 28)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)))), 11619#(and (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|)) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (= 0 (mod (+ (* |t_funThread1of1ForFork0_~p~0#1.offset| 27) |~#a~0.offset|) 28))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|))))), 11616#(and (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (= 0 (mod (+ (* |t_funThread1of1ForFork0_~p~0#1.offset| 27) |~#a~0.offset|) 28)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0)) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0)) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0))))] [2022-03-15 20:13:33,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-03-15 20:13:33,950 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:33,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-03-15 20:13:33,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2022-03-15 20:13:33,951 INFO L87 Difference]: Start difference. First operand 382 states and 698 transitions. Second operand has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 13 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:34,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:34,826 INFO L93 Difference]: Finished difference Result 864 states and 1570 transitions. [2022-03-15 20:13:34,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-15 20:13:34,826 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 13 states have internal predecessors, (34), 0 states have call successors, (0), 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 25 [2022-03-15 20:13:34,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:34,829 INFO L225 Difference]: With dead ends: 864 [2022-03-15 20:13:34,829 INFO L226 Difference]: Without dead ends: 860 [2022-03-15 20:13:34,829 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 24 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=165, Invalid=485, Unknown=0, NotChecked=0, Total=650 [2022-03-15 20:13:34,830 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 180 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 141 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:34,830 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [180 Valid, 16 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 358 Invalid, 0 Unknown, 141 Unchecked, 0.7s Time] [2022-03-15 20:13:34,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2022-03-15 20:13:34,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 567. [2022-03-15 20:13:34,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 560 states have (on average 1.917857142857143) internal successors, (1074), 566 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:34,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 1074 transitions. [2022-03-15 20:13:34,862 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 1074 transitions. Word has length 25 [2022-03-15 20:13:34,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:34,862 INFO L470 AbstractCegarLoop]: Abstraction has 567 states and 1074 transitions. [2022-03-15 20:13:34,863 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.8333333333333335) internal successors, (34), 13 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:34,863 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 1074 transitions. [2022-03-15 20:13:34,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-03-15 20:13:34,863 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:34,863 INFO L514 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:34,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:35,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-03-15 20:13:35,097 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:35,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:35,097 INFO L85 PathProgramCache]: Analyzing trace with hash 809970566, now seen corresponding path program 1 times [2022-03-15 20:13:35,098 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:35,099 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265347697] [2022-03-15 20:13:35,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:35,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:35,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:35,180 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:35,180 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:35,180 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265347697] [2022-03-15 20:13:35,180 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265347697] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:35,180 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814072444] [2022-03-15 20:13:35,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:35,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:35,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:35,182 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:35,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-03-15 20:13:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:35,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 8 conjunts are in the unsatisfiable core [2022-03-15 20:13:35,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:35,316 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:35,316 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:35,429 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:35,429 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814072444] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:35,429 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:35,429 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2022-03-15 20:13:35,429 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [816843738] [2022-03-15 20:13:35,429 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:35,432 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:35,439 INFO L252 McrAutomatonBuilder]: Finished intersection with 42 states and 57 transitions. [2022-03-15 20:13:35,439 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:35,508 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:35,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-03-15 20:13:35,509 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:35,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-03-15 20:13:35,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:35,509 INFO L87 Difference]: Start difference. First operand 567 states and 1074 transitions. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:35,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:35,568 INFO L93 Difference]: Finished difference Result 568 states and 1075 transitions. [2022-03-15 20:13:35,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-15 20:13:35,569 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 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 25 [2022-03-15 20:13:35,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:35,570 INFO L225 Difference]: With dead ends: 568 [2022-03-15 20:13:35,570 INFO L226 Difference]: Without dead ends: 568 [2022-03-15 20:13:35,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 60 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:35,571 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:35,571 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 20:13:35,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2022-03-15 20:13:35,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 568. [2022-03-15 20:13:35,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 561 states have (on average 1.9162210338680927) internal successors, (1075), 567 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:35,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 1075 transitions. [2022-03-15 20:13:35,579 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 1075 transitions. Word has length 25 [2022-03-15 20:13:35,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:35,579 INFO L470 AbstractCegarLoop]: Abstraction has 568 states and 1075 transitions. [2022-03-15 20:13:35,579 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:35,580 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 1075 transitions. [2022-03-15 20:13:35,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-03-15 20:13:35,580 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:35,580 INFO L514 BasicCegarLoop]: trace histogram [7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:35,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:35,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-03-15 20:13:35,781 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:35,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:35,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1407955628, now seen corresponding path program 2 times [2022-03-15 20:13:35,783 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:35,783 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572387670] [2022-03-15 20:13:35,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:35,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:35,861 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:35,862 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:35,862 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572387670] [2022-03-15 20:13:35,862 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572387670] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:35,862 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025261539] [2022-03-15 20:13:35,862 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-15 20:13:35,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:35,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:35,865 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:35,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-03-15 20:13:35,949 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-03-15 20:13:35,949 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:35,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 35 conjunts are in the unsatisfiable core [2022-03-15 20:13:35,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:35,983 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-03-15 20:13:36,041 INFO L353 Elim1Store]: treesize reduction 7, result has 53.3 percent of original size [2022-03-15 20:13:36,041 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 15 [2022-03-15 20:13:36,096 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-03-15 20:13:36,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,140 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-03-15 20:13:36,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,212 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-03-15 20:13:36,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,282 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2022-03-15 20:13:36,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:36,360 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:13:36,360 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 56 [2022-03-15 20:13:36,399 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-03-15 20:13:36,399 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 20:13:36,399 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1025261539] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:36,399 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 20:13:36,399 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 17 [2022-03-15 20:13:36,399 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1692470623] [2022-03-15 20:13:36,399 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:36,402 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:36,410 INFO L252 McrAutomatonBuilder]: Finished intersection with 43 states and 58 transitions. [2022-03-15 20:13:36,410 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:37,930 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 4 new interpolants: [15588#(and (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|)) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (= |~#a~0.offset| 0)) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (= 0 (mod (+ (* |t_funThread1of1ForFork0_~p~0#1.offset| 27) |~#a~0.offset|) 28))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|))))), 15585#(and (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0)) (= |~#a~0.offset| 0)) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (= 0 (mod (+ (* |t_funThread1of1ForFork0_~p~0#1.offset| 27) |~#a~0.offset|) 28)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0)) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0)) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0)))), 15587#(and (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|)) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (= |~#a~0.offset| 0)) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (= 0 (mod (+ (* |t_funThread1of1ForFork0_~p~0#1.offset| 27) |~#a~0.offset|) 28)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)))), 15586#(and (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0)) (= |~#a~0.offset| 0)) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (= 0 (mod (+ (* |t_funThread1of1ForFork0_~p~0#1.offset| 27) |~#a~0.offset|) 28)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0)) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)))))] [2022-03-15 20:13:37,930 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-15 20:13:37,930 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:37,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-15 20:13:37,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=350, Unknown=0, NotChecked=0, Total=462 [2022-03-15 20:13:37,931 INFO L87 Difference]: Start difference. First operand 568 states and 1075 transitions. Second operand has 14 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:38,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:38,900 INFO L93 Difference]: Finished difference Result 763 states and 1391 transitions. [2022-03-15 20:13:38,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-15 20:13:38,901 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 0 states have call successors, (0), 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 26 [2022-03-15 20:13:38,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:38,904 INFO L225 Difference]: With dead ends: 763 [2022-03-15 20:13:38,904 INFO L226 Difference]: Without dead ends: 755 [2022-03-15 20:13:38,905 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 26 SyntacticMatches, 4 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=203, Invalid=609, Unknown=0, NotChecked=0, Total=812 [2022-03-15 20:13:38,905 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 134 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:38,906 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 18 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-03-15 20:13:38,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2022-03-15 20:13:38,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 577. [2022-03-15 20:13:38,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 570 states have (on average 1.907017543859649) internal successors, (1087), 576 states have internal predecessors, (1087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:38,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 1087 transitions. [2022-03-15 20:13:38,916 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 1087 transitions. Word has length 26 [2022-03-15 20:13:38,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:38,916 INFO L470 AbstractCegarLoop]: Abstraction has 577 states and 1087 transitions. [2022-03-15 20:13:38,917 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:38,917 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 1087 transitions. [2022-03-15 20:13:38,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-03-15 20:13:38,918 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:38,918 INFO L514 BasicCegarLoop]: trace histogram [7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:38,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:39,136 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-03-15 20:13:39,136 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:39,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:39,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1851083810, now seen corresponding path program 3 times [2022-03-15 20:13:39,138 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:39,138 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222937169] [2022-03-15 20:13:39,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:39,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:39,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:39,301 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:39,301 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:39,301 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222937169] [2022-03-15 20:13:39,301 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222937169] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:39,301 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718253181] [2022-03-15 20:13:39,301 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-15 20:13:39,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:39,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:39,303 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:39,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-03-15 20:13:39,402 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-03-15 20:13:39,403 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:39,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 31 conjunts are in the unsatisfiable core [2022-03-15 20:13:39,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:39,421 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-03-15 20:13:39,453 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-03-15 20:13:39,493 INFO L353 Elim1Store]: treesize reduction 7, result has 53.3 percent of original size [2022-03-15 20:13:39,494 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 15 [2022-03-15 20:13:39,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:39,551 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2022-03-15 20:13:39,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:39,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:39,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:39,602 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 42 [2022-03-15 20:13:39,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:39,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:39,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:39,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:39,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:39,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:39,676 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 57 [2022-03-15 20:13:39,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:39,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:39,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:39,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:39,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:39,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:39,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:39,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:39,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:39,761 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:13:39,761 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 59 treesize of output 67 [2022-03-15 20:13:41,953 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-03-15 20:13:41,954 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 20:13:41,954 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1718253181] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:41,954 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 20:13:41,954 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 17 [2022-03-15 20:13:41,954 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [302408747] [2022-03-15 20:13:41,954 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:41,957 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:41,972 INFO L252 McrAutomatonBuilder]: Finished intersection with 42 states and 56 transitions. [2022-03-15 20:13:41,972 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:43,096 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 5 new interpolants: [17615#(and (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|)) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (= 0 (mod (+ (* |t_funThread1of1ForFork0_~p~0#1.offset| 27) |~#a~0.offset|) 28)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)))), 17616#(and (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|)) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (= 0 (mod (+ (* |t_funThread1of1ForFork0_~p~0#1.offset| 27) |~#a~0.offset|) 28))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|))))), 17612#(and (= 0 (mod (+ (* |t_funThread1of1ForFork0_~p~0#1.offset| 27) |~#a~0.offset|) 28)) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)))), 17613#(and (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (= 0 (mod (+ (* |t_funThread1of1ForFork0_~p~0#1.offset| 27) |~#a~0.offset|) 28)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0)) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0)) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0)))), 17614#(and (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (= 0 (mod (+ (* |t_funThread1of1ForFork0_~p~0#1.offset| 27) |~#a~0.offset|) 28)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0)) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)))))] [2022-03-15 20:13:43,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-03-15 20:13:43,097 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:43,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-03-15 20:13:43,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=355, Unknown=0, NotChecked=0, Total=462 [2022-03-15 20:13:43,098 INFO L87 Difference]: Start difference. First operand 577 states and 1087 transitions. Second operand has 14 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 14 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:43,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:43,934 INFO L93 Difference]: Finished difference Result 786 states and 1421 transitions. [2022-03-15 20:13:43,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-15 20:13:43,934 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 14 states have internal predecessors, (37), 0 states have call successors, (0), 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 26 [2022-03-15 20:13:43,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:43,936 INFO L225 Difference]: With dead ends: 786 [2022-03-15 20:13:43,937 INFO L226 Difference]: Without dead ends: 754 [2022-03-15 20:13:43,937 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 25 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=181, Invalid=575, Unknown=0, NotChecked=0, Total=756 [2022-03-15 20:13:43,937 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 166 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 143 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:43,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [166 Valid, 17 Invalid, 681 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 453 Invalid, 0 Unknown, 143 Unchecked, 0.6s Time] [2022-03-15 20:13:43,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2022-03-15 20:13:43,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 560. [2022-03-15 20:13:43,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 553 states have (on average 1.895117540687161) internal successors, (1048), 559 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:43,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 1048 transitions. [2022-03-15 20:13:43,947 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 1048 transitions. Word has length 26 [2022-03-15 20:13:43,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:43,947 INFO L470 AbstractCegarLoop]: Abstraction has 560 states and 1048 transitions. [2022-03-15 20:13:43,947 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 14 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:43,947 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 1048 transitions. [2022-03-15 20:13:43,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-03-15 20:13:43,948 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:43,948 INFO L514 BasicCegarLoop]: trace histogram [7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:43,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:44,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-03-15 20:13:44,148 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:44,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:44,149 INFO L85 PathProgramCache]: Analyzing trace with hash 625720626, now seen corresponding path program 4 times [2022-03-15 20:13:44,150 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:44,150 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764364729] [2022-03-15 20:13:44,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:44,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:44,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:44,240 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:44,241 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:44,241 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764364729] [2022-03-15 20:13:44,241 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764364729] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:44,241 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276128647] [2022-03-15 20:13:44,241 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-03-15 20:13:44,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:44,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:44,243 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:44,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-03-15 20:13:44,349 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-03-15 20:13:44,350 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:44,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-15 20:13:44,356 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:44,411 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:44,411 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:44,496 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:44,497 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276128647] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:44,497 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:44,497 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 12 [2022-03-15 20:13:44,497 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [93423645] [2022-03-15 20:13:44,497 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:44,500 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:44,508 INFO L252 McrAutomatonBuilder]: Finished intersection with 42 states and 56 transitions. [2022-03-15 20:13:44,508 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:44,623 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:44,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-03-15 20:13:44,624 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:44,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-03-15 20:13:44,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:44,624 INFO L87 Difference]: Start difference. First operand 560 states and 1048 transitions. Second operand has 10 states, 10 states have (on average 2.6) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:44,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:44,683 INFO L93 Difference]: Finished difference Result 561 states and 1049 transitions. [2022-03-15 20:13:44,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-15 20:13:44,684 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 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 26 [2022-03-15 20:13:44,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:44,686 INFO L225 Difference]: With dead ends: 561 [2022-03-15 20:13:44,686 INFO L226 Difference]: Without dead ends: 561 [2022-03-15 20:13:44,686 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:44,686 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:44,686 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 20:13:44,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2022-03-15 20:13:44,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 561. [2022-03-15 20:13:44,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 554 states have (on average 1.8935018050541517) internal successors, (1049), 560 states have internal predecessors, (1049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:44,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 1049 transitions. [2022-03-15 20:13:44,696 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 1049 transitions. Word has length 26 [2022-03-15 20:13:44,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:44,696 INFO L470 AbstractCegarLoop]: Abstraction has 561 states and 1049 transitions. [2022-03-15 20:13:44,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:44,696 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 1049 transitions. [2022-03-15 20:13:44,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-03-15 20:13:44,697 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:44,697 INFO L514 BasicCegarLoop]: trace histogram [8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:44,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:44,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:44,915 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:44,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:44,916 INFO L85 PathProgramCache]: Analyzing trace with hash 589485348, now seen corresponding path program 5 times [2022-03-15 20:13:44,917 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:44,918 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405367226] [2022-03-15 20:13:44,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:44,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:45,075 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:45,075 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:45,075 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405367226] [2022-03-15 20:13:45,075 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405367226] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:45,075 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087624398] [2022-03-15 20:13:45,076 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-03-15 20:13:45,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:45,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:45,091 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:45,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-03-15 20:13:45,186 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2022-03-15 20:13:45,187 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:45,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 10 conjunts are in the unsatisfiable core [2022-03-15 20:13:45,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:45,265 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:45,265 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:45,376 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:45,377 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087624398] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:45,377 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:45,377 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 12 [2022-03-15 20:13:45,377 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [567975974] [2022-03-15 20:13:45,377 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:45,380 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:45,390 INFO L252 McrAutomatonBuilder]: Finished intersection with 43 states and 57 transitions. [2022-03-15 20:13:45,390 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:45,469 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:45,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-15 20:13:45,469 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:45,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-15 20:13:45,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:45,470 INFO L87 Difference]: Start difference. First operand 561 states and 1049 transitions. Second operand has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:45,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:45,521 INFO L93 Difference]: Finished difference Result 562 states and 1050 transitions. [2022-03-15 20:13:45,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-15 20:13:45,522 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 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 27 [2022-03-15 20:13:45,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:45,523 INFO L225 Difference]: With dead ends: 562 [2022-03-15 20:13:45,523 INFO L226 Difference]: Without dead ends: 562 [2022-03-15 20:13:45,524 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:45,524 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:45,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:13:45,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2022-03-15 20:13:45,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 562. [2022-03-15 20:13:45,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 555 states have (on average 1.8918918918918919) internal successors, (1050), 561 states have internal predecessors, (1050), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:45,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 1050 transitions. [2022-03-15 20:13:45,533 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 1050 transitions. Word has length 27 [2022-03-15 20:13:45,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:45,533 INFO L470 AbstractCegarLoop]: Abstraction has 562 states and 1050 transitions. [2022-03-15 20:13:45,533 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 10 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:45,533 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 1050 transitions. [2022-03-15 20:13:45,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-03-15 20:13:45,534 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:45,534 INFO L514 BasicCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:45,552 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:45,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-03-15 20:13:45,735 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:45,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:45,735 INFO L85 PathProgramCache]: Analyzing trace with hash -533808270, now seen corresponding path program 6 times [2022-03-15 20:13:45,737 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:45,737 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028489487] [2022-03-15 20:13:45,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:45,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:45,865 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:45,865 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:45,865 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028489487] [2022-03-15 20:13:45,866 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028489487] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:45,866 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000854152] [2022-03-15 20:13:45,866 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-03-15 20:13:45,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:45,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:45,867 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:45,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-03-15 20:13:45,971 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2022-03-15 20:13:45,971 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-15 20:13:45,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 35 conjunts are in the unsatisfiable core [2022-03-15 20:13:45,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:46,017 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-03-15 20:13:46,079 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-03-15 20:13:46,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:46,111 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2022-03-15 20:13:46,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:46,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:46,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:46,151 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 42 [2022-03-15 20:13:46,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:46,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:46,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:46,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:46,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:46,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:46,200 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 57 [2022-03-15 20:13:46,268 INFO L353 Elim1Store]: treesize reduction 7, result has 53.3 percent of original size [2022-03-15 20:13:46,268 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 15 [2022-03-15 20:13:46,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:46,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:46,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:46,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:46,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:46,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:46,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:46,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:46,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-03-15 20:13:46,356 INFO L353 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-03-15 20:13:46,356 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 59 treesize of output 67 [2022-03-15 20:13:46,420 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-03-15 20:13:46,420 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-15 20:13:46,421 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000854152] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:46,421 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-03-15 20:13:46,421 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 19 [2022-03-15 20:13:46,421 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2123244739] [2022-03-15 20:13:46,421 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:46,424 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:46,434 INFO L252 McrAutomatonBuilder]: Finished intersection with 44 states and 58 transitions. [2022-03-15 20:13:46,434 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:47,451 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 8 new interpolants: [23345#(and (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|)) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (= |~#a~0.offset| 0)) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (= 0 (mod (+ (* |t_funThread1of1ForFork0_~p~0#1.offset| 27) |~#a~0.offset|) 28))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|))))), 23340#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) |ULTIMATE.start_main_#t~nondet42#1|) (= 0 (mod (+ (* |t_funThread1of1ForFork0_~p~0#1.offset| 27) |~#a~0.offset|) 28)) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|))) (= |~#a~0.offset| 0)), 23342#(and (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0)) (= |~#a~0.offset| 0)) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (= 0 (mod (+ (* |t_funThread1of1ForFork0_~p~0#1.offset| 27) |~#a~0.offset|) 28)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0)) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|)) 0)) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0)))), 23339#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) |ULTIMATE.start_main_#t~nondet42#1|) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) |ULTIMATE.start_main_#t~nondet42#1|) (= 0 (mod (+ (* |t_funThread1of1ForFork0_~p~0#1.offset| 27) |~#a~0.offset|) 28)) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|))) (= |~#a~0.offset| 0)), 23343#(and (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0)) (= |~#a~0.offset| 0)) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (= 0 (mod (+ (* |t_funThread1of1ForFork0_~p~0#1.offset| 27) |~#a~0.offset|) 28)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0)) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|))))), 23344#(and (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|)) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (= |~#a~0.offset| 0)) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)))) (or (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0)) (= 0 (mod (+ (* |t_funThread1of1ForFork0_~p~0#1.offset| 27) |~#a~0.offset|) 28)) (not (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0)))), 23341#(and (= 0 (mod (+ (* |t_funThread1of1ForFork0_~p~0#1.offset| 27) |~#a~0.offset|) 28)) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|))) (= |~#a~0.offset| 0)), 23338#(and (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) |ULTIMATE.start_main_#t~nondet42#1|) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) |ULTIMATE.start_main_#t~nondet42#1|) (= 0 (mod (+ (* |t_funThread1of1ForFork0_~p~0#1.offset| 27) |~#a~0.offset|) 28)) (= (select (select |#race| |~#a~0.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) |ULTIMATE.start_main_#t~nondet42#1|) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|))) (= |~#a~0.offset| 0))] [2022-03-15 20:13:47,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-15 20:13:47,452 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:47,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-15 20:13:47,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=599, Unknown=0, NotChecked=0, Total=756 [2022-03-15 20:13:47,453 INFO L87 Difference]: Start difference. First operand 562 states and 1050 transitions. Second operand has 18 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:48,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:48,793 INFO L93 Difference]: Finished difference Result 684 states and 1231 transitions. [2022-03-15 20:13:48,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-03-15 20:13:48,793 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 0 states have call successors, (0), 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 28 [2022-03-15 20:13:48,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:48,795 INFO L225 Difference]: With dead ends: 684 [2022-03-15 20:13:48,795 INFO L226 Difference]: Without dead ends: 665 [2022-03-15 20:13:48,795 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=258, Invalid=932, Unknown=0, NotChecked=0, Total=1190 [2022-03-15 20:13:48,796 INFO L933 BasicCegarLoop]: 8 mSDtfsCounter, 178 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 743 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:48,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [178 Valid, 17 Invalid, 850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 743 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-03-15 20:13:48,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2022-03-15 20:13:48,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 549. [2022-03-15 20:13:48,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 542 states have (on average 1.8892988929889298) internal successors, (1024), 548 states have internal predecessors, (1024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:48,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 1024 transitions. [2022-03-15 20:13:48,805 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 1024 transitions. Word has length 28 [2022-03-15 20:13:48,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:48,805 INFO L470 AbstractCegarLoop]: Abstraction has 549 states and 1024 transitions. [2022-03-15 20:13:48,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:48,805 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 1024 transitions. [2022-03-15 20:13:48,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-03-15 20:13:48,806 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:48,806 INFO L514 BasicCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:48,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:49,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-03-15 20:13:49,019 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:49,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:49,020 INFO L85 PathProgramCache]: Analyzing trace with hash -442228770, now seen corresponding path program 1 times [2022-03-15 20:13:49,021 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:49,021 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56238095] [2022-03-15 20:13:49,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:49,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:49,162 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:49,163 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:49,163 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56238095] [2022-03-15 20:13:49,163 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56238095] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-15 20:13:49,163 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835778855] [2022-03-15 20:13:49,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:49,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-15 20:13:49,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:49,164 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-15 20:13:49,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-03-15 20:13:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:49,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 11 conjunts are in the unsatisfiable core [2022-03-15 20:13:49,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-15 20:13:49,306 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:49,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-15 20:13:49,346 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:49,346 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835778855] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-15 20:13:49,346 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-15 20:13:49,346 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 12 [2022-03-15 20:13:49,346 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1150463502] [2022-03-15 20:13:49,346 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:49,349 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:49,357 INFO L252 McrAutomatonBuilder]: Finished intersection with 39 states and 48 transitions. [2022-03-15 20:13:49,357 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:49,374 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:49,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-15 20:13:49,374 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:49,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-15 20:13:49,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:49,375 INFO L87 Difference]: Start difference. First operand 549 states and 1024 transitions. Second operand has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:49,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:49,457 INFO L93 Difference]: Finished difference Result 550 states and 1025 transitions. [2022-03-15 20:13:49,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-03-15 20:13:49,457 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 0 states have call successors, (0), 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 28 [2022-03-15 20:13:49,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:49,459 INFO L225 Difference]: With dead ends: 550 [2022-03-15 20:13:49,459 INFO L226 Difference]: Without dead ends: 550 [2022-03-15 20:13:49,459 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 63 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2022-03-15 20:13:49,459 INFO L933 BasicCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:49,460 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 20:13:49,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2022-03-15 20:13:49,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 550. [2022-03-15 20:13:49,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 543 states have (on average 1.8876611418047882) internal successors, (1025), 549 states have internal predecessors, (1025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:49,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 1025 transitions. [2022-03-15 20:13:49,467 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 1025 transitions. Word has length 28 [2022-03-15 20:13:49,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:49,467 INFO L470 AbstractCegarLoop]: Abstraction has 550 states and 1025 transitions. [2022-03-15 20:13:49,467 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 11 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:49,467 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 1025 transitions. [2022-03-15 20:13:49,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-03-15 20:13:49,468 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:49,468 INFO L514 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:49,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-03-15 20:13:49,684 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-03-15 20:13:49,685 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:49,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:49,685 INFO L85 PathProgramCache]: Analyzing trace with hash -904592560, now seen corresponding path program 2 times [2022-03-15 20:13:49,687 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:49,687 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339677817] [2022-03-15 20:13:49,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:49,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:50,563 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-03-15 20:13:50,563 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:50,563 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339677817] [2022-03-15 20:13:50,564 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339677817] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:50,564 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:13:50,564 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-03-15 20:13:50,564 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1705328071] [2022-03-15 20:13:50,564 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:50,567 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:50,595 INFO L252 McrAutomatonBuilder]: Finished intersection with 40 states and 49 transitions. [2022-03-15 20:13:50,595 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:51,510 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 4 new interpolants: [26981#(and (not (= (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|) (+ |t_funThread1of1ForFork0_~p~0#1.offset| 3))) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|))) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1))) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|))) (not (= (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|) |t_funThread1of1ForFork0_~p~0#1.offset|)) (not (= (+ |t_funThread1of1ForFork0_~p~0#1.offset| 1) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)))), 26980#(and (not (= (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|) (+ |t_funThread1of1ForFork0_~p~0#1.offset| 3))) (or (= (select (select |#race| |t_funThread1of1ForFork0_~p~0#1.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0) (= (+ |t_funThread1of1ForFork0_~p~0#1.offset| 2) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|))) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|))) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1))) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|))) (not (= (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|) |t_funThread1of1ForFork0_~p~0#1.offset|)) (not (= (+ |t_funThread1of1ForFork0_~p~0#1.offset| 1) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)))), 26979#(and (not (= (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|) (+ |t_funThread1of1ForFork0_~p~0#1.offset| 3))) (or (= (select (select |#race| |t_funThread1of1ForFork0_~p~0#1.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0) (= (+ |t_funThread1of1ForFork0_~p~0#1.offset| 2) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|))) (or (= (select (select |#race| |t_funThread1of1ForFork0_~p~0#1.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (+ |t_funThread1of1ForFork0_~p~0#1.offset| 2) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|))) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|))) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1))) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|))) (not (= (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|) |t_funThread1of1ForFork0_~p~0#1.offset|)) (not (= (+ |t_funThread1of1ForFork0_~p~0#1.offset| 1) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)))), 26978#(and (not (= (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|) (+ |t_funThread1of1ForFork0_~p~0#1.offset| 3))) (or (= (select (select |#race| |t_funThread1of1ForFork0_~p~0#1.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|)) 0) (= (+ |t_funThread1of1ForFork0_~p~0#1.offset| 2) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|))) (or (= (select (select |#race| |t_funThread1of1ForFork0_~p~0#1.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1)) 0) (= (+ |t_funThread1of1ForFork0_~p~0#1.offset| 2) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|))) (= (select (select |#race| |t_funThread1of1ForFork0_~p~0#1.base|) (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|)) 0) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) 2 |~#a~0.offset|))) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset| 1))) (= |~#a~0.base| |t_funThread1of1ForFork0_~p~0#1.base|) (not (= |t_funThread1of1ForFork0_~p~0#1.offset| (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|))) (not (= (+ (* |ULTIMATE.start_main_~i~2#1| 28) 3 |~#a~0.offset|) |t_funThread1of1ForFork0_~p~0#1.offset|)) (not (= (+ |t_funThread1of1ForFork0_~p~0#1.offset| 1) (+ (* |ULTIMATE.start_main_~i~2#1| 28) |~#a~0.offset|))))] [2022-03-15 20:13:51,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-03-15 20:13:51,510 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:51,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-03-15 20:13:51,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2022-03-15 20:13:51,511 INFO L87 Difference]: Start difference. First operand 550 states and 1025 transitions. Second operand has 15 states, 14 states have (on average 2.357142857142857) internal successors, (33), 15 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:53,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:53,093 INFO L93 Difference]: Finished difference Result 671 states and 1212 transitions. [2022-03-15 20:13:53,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-03-15 20:13:53,093 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.357142857142857) internal successors, (33), 15 states have internal predecessors, (33), 0 states have call successors, (0), 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 29 [2022-03-15 20:13:53,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:53,095 INFO L225 Difference]: With dead ends: 671 [2022-03-15 20:13:53,095 INFO L226 Difference]: Without dead ends: 663 [2022-03-15 20:13:53,096 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=222, Invalid=534, Unknown=0, NotChecked=0, Total=756 [2022-03-15 20:13:53,096 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 153 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:53,096 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 18 Invalid, 921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-03-15 20:13:53,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2022-03-15 20:13:53,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 546. [2022-03-15 20:13:53,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 539 states have (on average 1.8812615955473098) internal successors, (1014), 545 states have internal predecessors, (1014), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:53,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 1014 transitions. [2022-03-15 20:13:53,104 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 1014 transitions. Word has length 29 [2022-03-15 20:13:53,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:53,104 INFO L470 AbstractCegarLoop]: Abstraction has 546 states and 1014 transitions. [2022-03-15 20:13:53,104 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.357142857142857) internal successors, (33), 15 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:53,104 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 1014 transitions. [2022-03-15 20:13:53,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-03-15 20:13:53,105 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:53,105 INFO L514 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:53,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-03-15 20:13:53,105 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-03-15 20:13:53,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:53,105 INFO L85 PathProgramCache]: Analyzing trace with hash 647161753, now seen corresponding path program 1 times [2022-03-15 20:13:53,107 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:53,107 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792505080] [2022-03-15 20:13:53,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:53,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-03-15 20:28:03,300 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-03-15 20:28:03,300 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-03-15 20:28:03,300 WARN L594 AbstractCegarLoop]: Verification canceled: while BasicCegarLoop was analyzing trace of length 30 with TraceHistMax 10,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-3-3-11-2-18-3-18-3-18-3-18-3-18-4-18-4-15-4-15-4-15-4-15-4-15-4-11-4-11-4-11-4-11-4-7-4-7-4-7-4-5-4-5-4-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. [2022-03-15 20:28:03,301 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-03-15 20:28:03,301 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2022-03-15 20:28:03,302 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 7 remaining) [2022-03-15 20:28:03,302 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-03-15 20:28:03,302 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-03-15 20:28:03,302 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-03-15 20:28:03,303 INFO L732 BasicCegarLoop]: Path program histogram: [6, 2, 2, 2, 2, 2, 2, 1, 1] [2022-03-15 20:28:03,305 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 20:28:03,305 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 20:28:03,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 08:28:03 BasicIcfg [2022-03-15 20:28:03,307 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 20:28:03,307 INFO L158 Benchmark]: Toolchain (without parser) took 881834.16ms. Allocated memory was 211.8MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 187.5MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2022-03-15 20:28:03,307 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 211.8MB. Free memory is still 176.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 20:28:03,307 INFO L158 Benchmark]: CACSL2BoogieTranslator took 594.22ms. Allocated memory is still 211.8MB. Free memory was 187.2MB in the beginning and 168.3MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-03-15 20:28:03,307 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.71ms. Allocated memory is still 211.8MB. Free memory was 168.3MB in the beginning and 165.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-15 20:28:03,308 INFO L158 Benchmark]: Boogie Preprocessor took 32.47ms. Allocated memory is still 211.8MB. Free memory was 165.7MB in the beginning and 164.0MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 20:28:03,308 INFO L158 Benchmark]: RCFGBuilder took 392.36ms. Allocated memory is still 211.8MB. Free memory was 164.0MB in the beginning and 149.7MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-03-15 20:28:03,308 INFO L158 Benchmark]: TraceAbstraction took 880767.52ms. Allocated memory was 211.8MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 149.0MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2022-03-15 20:28:03,309 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 211.8MB. Free memory is still 176.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 594.22ms. Allocated memory is still 211.8MB. Free memory was 187.2MB in the beginning and 168.3MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.71ms. Allocated memory is still 211.8MB. Free memory was 168.3MB in the beginning and 165.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.47ms. Allocated memory is still 211.8MB. Free memory was 165.7MB in the beginning and 164.0MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 392.36ms. Allocated memory is still 211.8MB. Free memory was 164.0MB in the beginning and 149.7MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 880767.52ms. Allocated memory was 211.8MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 149.0MB in the beginning and 1.4GB in the end (delta: -1.3GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.6s, 103 PlacesBefore, 40 PlacesAfterwards, 103 TransitionsBefore, 37 TransitionsAfterwards, 2220 CoEnabledTransitionPairs, 5 FixpointIterations, 28 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 3 ConcurrentYvCompositions, 3 ChoiceCompositions, 75 TotalNumberOfCompositions, 8031 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2649, positive: 2308, positive conditional: 0, positive unconditional: 2308, negative: 341, negative conditional: 0, negative unconditional: 341, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1073, positive: 1015, positive conditional: 0, positive unconditional: 1015, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2649, positive: 1293, positive conditional: 0, positive unconditional: 1293, negative: 283, negative conditional: 0, negative unconditional: 283, unknown: 1073, unknown conditional: 0, unknown unconditional: 1073] , Statistics on independence cache: Total cache size (in pairs): 111, Positive cache size: 76, Positive conditional cache size: 0, Positive unconditional cache size: 76, Negative cache size: 35, Negative conditional cache size: 0, Negative unconditional cache size: 35 - 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 - TimeoutResultAtElement [Line: 931]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while BasicCegarLoop was analyzing trace of length 30 with TraceHistMax 10,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-3-3-11-2-18-3-18-3-18-3-18-3-18-4-18-4-15-4-15-4-15-4-15-4-15-4-11-4-11-4-11-4-11-4-7-4-7-4-7-4-5-4-5-4-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 943]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while BasicCegarLoop was analyzing trace of length 30 with TraceHistMax 10,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-3-3-11-2-18-3-18-3-18-3-18-3-18-4-18-4-15-4-15-4-15-4-15-4-15-4-11-4-11-4-11-4-11-4-7-4-7-4-7-4-5-4-5-4-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 943]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while BasicCegarLoop was analyzing trace of length 30 with TraceHistMax 10,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-3-3-11-2-18-3-18-3-18-3-18-3-18-4-18-4-15-4-15-4-15-4-15-4-15-4-11-4-11-4-11-4-11-4-7-4-7-4-7-4-5-4-5-4-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 941]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while BasicCegarLoop was analyzing trace of length 30 with TraceHistMax 10,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-3-3-11-2-18-3-18-3-18-3-18-3-18-4-18-4-15-4-15-4-15-4-15-4-15-4-11-4-11-4-11-4-11-4-7-4-7-4-7-4-5-4-5-4-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 931]: Timeout (TraceAbstraction) Unable to prove that there are no data races Cancelled while BasicCegarLoop was analyzing trace of length 30 with TraceHistMax 10,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-3-3-11-2-18-3-18-3-18-3-18-3-18-4-18-4-15-4-15-4-15-4-15-4-15-4-11-4-11-4-11-4-11-4-7-4-7-4-7-4-5-4-5-4-3-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 138 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 880.7s, OverallIterations: 20, TraceHistogramMax: 10, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.6s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 947 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 947 mSDsluCounter, 757 SdHoareTripleChecker+Invalid, 4.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 284 IncrementalHoareTripleChecker+Unchecked, 741 mSDsCounter, 535 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4046 IncrementalHoareTripleChecker+Invalid, 4865 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 535 mSolverCounterUnsat, 336 mSDtfsCounter, 4046 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 840 GetRequests, 566 SyntacticMatches, 16 SemanticMatches, 258 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1223 ImplicationChecksByTransitivity, 10.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=577occurred in iteration=13, InterpolantAutomatonStates: 175, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 19 MinimizatonAttempts, 941 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 10.1s InterpolantComputationTime, 765 NumberOfCodeBlocks, 722 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 912 ConstructedInterpolants, 2 QuantifiedInterpolants, 4643 SizeOfPredicates, 13 NumberOfNonLiveVariables, 2428 ConjunctsInSsa, 263 ConjunctsInUnsatCore, 45 InterpolantComputations, 10 PerfectInterpolantSequences, 211/862 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: Timeout Completed graceful shutdown