/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-BasicCegarLoop.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/04-mutex_54-pt_rwlock_ww.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 13:20:59,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 13:20:59,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 13:20:59,127 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-16 13:20:59,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-16 13:20:59,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-16 13:20:59,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-16 13:20:59,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-16 13:20:59,131 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-16 13:20:59,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-16 13:20:59,133 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-16 13:20:59,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-16 13:20:59,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-16 13:20:59,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-16 13:20:59,135 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-16 13:20:59,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-16 13:20:59,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-16 13:20:59,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-16 13:20:59,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-16 13:20:59,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-16 13:20:59,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-16 13:20:59,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-16 13:20:59,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-16 13:20:59,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-16 13:20:59,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-16 13:20:59,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-16 13:20:59,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-16 13:20:59,144 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-16 13:20:59,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-16 13:20:59,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-16 13:20:59,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-16 13:20:59,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-16 13:20:59,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-16 13:20:59,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-16 13:20:59,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-16 13:20:59,148 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-16 13:20:59,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-16 13:20:59,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-16 13:20:59,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-16 13:20:59,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-16 13:20:59,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-16 13:20:59,150 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-BasicCegarLoop.epf [2022-02-16 13:20:59,163 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 13:20:59,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 13:20:59,164 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 13:20:59,164 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 13:20:59,165 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 13:20:59,165 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 13:20:59,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 13:20:59,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 13:20:59,165 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 13:20:59,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 13:20:59,166 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 13:20:59,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 13:20:59,166 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 13:20:59,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 13:20:59,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 13:20:59,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 13:20:59,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 13:20:59,167 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 13:20:59,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 13:20:59,167 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 13:20:59,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 13:20:59,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 13:20:59,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 13:20:59,168 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 13:20:59,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 13:20:59,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 13:20:59,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 13:20:59,168 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 13:20:59,168 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 13:20:59,169 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 13:20:59,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 13:20:59,169 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 13:20:59,169 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 13:20:59,169 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-16 13:20:59,169 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-16 13:20:59,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 13:20:59,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 13:20:59,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 13:20:59,380 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-16 13:20:59,381 INFO L275 PluginConnector]: CDTParser initialized [2022-02-16 13:20:59,383 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_54-pt_rwlock_ww.i [2022-02-16 13:20:59,451 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d626dc27c/5e1558f2fc2a45ed82fe61a469e061a8/FLAGe9d70d3c0 [2022-02-16 13:20:59,907 INFO L306 CDTParser]: Found 1 translation units. [2022-02-16 13:20:59,907 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_54-pt_rwlock_ww.i [2022-02-16 13:20:59,923 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d626dc27c/5e1558f2fc2a45ed82fe61a469e061a8/FLAGe9d70d3c0 [2022-02-16 13:21:00,424 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d626dc27c/5e1558f2fc2a45ed82fe61a469e061a8 [2022-02-16 13:21:00,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 13:21:00,427 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-16 13:21:00,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-16 13:21:00,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-16 13:21:00,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-16 13:21:00,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 01:21:00" (1/1) ... [2022-02-16 13:21:00,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6698c585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:21:00, skipping insertion in model container [2022-02-16 13:21:00,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 01:21:00" (1/1) ... [2022-02-16 13:21:00,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-16 13:21:00,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-16 13:21:00,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 13:21:00,830 INFO L203 MainTranslator]: Completed pre-run [2022-02-16 13:21:00,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 13:21:00,933 INFO L208 MainTranslator]: Completed translation [2022-02-16 13:21:00,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:21:00 WrapperNode [2022-02-16 13:21:00,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-16 13:21:00,934 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 13:21:00,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 13:21:00,934 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 13:21:00,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:21:00" (1/1) ... [2022-02-16 13:21:00,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:21:00" (1/1) ... [2022-02-16 13:21:00,996 INFO L137 Inliner]: procedures = 263, calls = 32, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 65 [2022-02-16 13:21:00,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 13:21:00,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 13:21:00,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 13:21:00,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 13:21:01,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:21:00" (1/1) ... [2022-02-16 13:21:01,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:21:00" (1/1) ... [2022-02-16 13:21:01,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:21:00" (1/1) ... [2022-02-16 13:21:01,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:21:00" (1/1) ... [2022-02-16 13:21:01,020 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:21:00" (1/1) ... [2022-02-16 13:21:01,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:21:00" (1/1) ... [2022-02-16 13:21:01,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:21:00" (1/1) ... [2022-02-16 13:21:01,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 13:21:01,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 13:21:01,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 13:21:01,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 13:21:01,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:21:00" (1/1) ... [2022-02-16 13:21:01,038 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 13:21:01,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 13:21:01,067 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) [2022-02-16 13:21:01,069 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 [2022-02-16 13:21:01,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-16 13:21:01,102 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockWriteLock [2022-02-16 13:21:01,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-16 13:21:01,102 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2022-02-16 13:21:01,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-16 13:21:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-16 13:21:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-16 13:21:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-16 13:21:01,103 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-16 13:21:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-16 13:21:01,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 13:21:01,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 13:21:01,107 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-16 13:21:01,209 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 13:21:01,210 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 13:21:01,413 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 13:21:01,419 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 13:21:01,419 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-16 13:21:01,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 01:21:01 BoogieIcfgContainer [2022-02-16 13:21:01,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 13:21:01,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 13:21:01,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 13:21:01,427 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 13:21:01,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 01:21:00" (1/3) ... [2022-02-16 13:21:01,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f9a26a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 01:21:01, skipping insertion in model container [2022-02-16 13:21:01,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 01:21:00" (2/3) ... [2022-02-16 13:21:01,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f9a26a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 01:21:01, skipping insertion in model container [2022-02-16 13:21:01,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 01:21:01" (3/3) ... [2022-02-16 13:21:01,429 INFO L111 eAbstractionObserver]: Analyzing ICFG 04-mutex_54-pt_rwlock_ww.i [2022-02-16 13:21:01,433 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-16 13:21:01,433 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 13:21:01,433 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-02-16 13:21:01,433 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-16 13:21:01,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,477 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,477 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,477 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,478 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,478 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,478 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,479 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,480 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,481 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,482 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,484 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,485 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,486 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,487 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,489 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,490 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,490 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,490 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 13:21:01,493 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-16 13:21:01,524 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-16 13:21:01,529 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-16 13:21:01,529 INFO L340 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2022-02-16 13:21:01,539 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 99 places, 95 transitions, 198 flow [2022-02-16 13:21:01,608 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 698 states, 679 states have (on average 1.9263622974963182) internal successors, (1308), 697 states have internal predecessors, (1308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:21:02,610 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 16044 transitions and produced 8953 states. [2022-02-16 13:21:02,704 INFO L276 IsEmpty]: Start isEmpty. Operand has 8953 states, 7111 states have (on average 1.3578962171283926) internal successors, (9656), 8952 states have internal predecessors, (9656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:21:02,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-02-16 13:21:02,711 INFO L506 BasicCegarLoop]: Found error trace [2022-02-16 13:21:02,711 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-16 13:21:02,712 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-16 13:21:02,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 13:21:02,716 INFO L85 PathProgramCache]: Analyzing trace with hash 827672691, now seen corresponding path program 1 times [2022-02-16 13:21:02,723 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 13:21:02,723 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297282604] [2022-02-16 13:21:02,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 13:21:02,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 13:21:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 13:21:02,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 13:21:02,898 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 13:21:02,898 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297282604] [2022-02-16 13:21:02,899 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297282604] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 13:21:02,899 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 13:21:02,899 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-16 13:21:02,901 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898387232] [2022-02-16 13:21:02,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 13:21:02,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-16 13:21:02,904 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 13:21:02,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-16 13:21:02,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 13:21:03,014 INFO L87 Difference]: Start difference. First operand has 8953 states, 7111 states have (on average 1.3578962171283926) internal successors, (9656), 8952 states have internal predecessors, (9656), 0 states have call successors, (0), 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, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:21:03,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-16 13:21:03,314 INFO L93 Difference]: Finished difference Result 9537 states and 10196 transitions. [2022-02-16 13:21:03,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 13:21:03,318 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 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 41 [2022-02-16 13:21:03,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-16 13:21:03,366 INFO L225 Difference]: With dead ends: 9537 [2022-02-16 13:21:03,366 INFO L226 Difference]: Without dead ends: 5512 [2022-02-16 13:21:03,369 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 [2022-02-16 13:21:03,372 INFO L933 BasicCegarLoop]: 97 mSDtfsCounter, 40 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-16 13:21:03,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [40 Valid, 170 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-16 13:21:03,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5512 states. [2022-02-16 13:21:03,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5512 to 720. [2022-02-16 13:21:03,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 720 states, 664 states have (on average 1.3629518072289157) internal successors, (905), 719 states have internal predecessors, (905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:21:03,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 905 transitions. [2022-02-16 13:21:03,502 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 905 transitions. Word has length 41 [2022-02-16 13:21:03,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-16 13:21:03,502 INFO L470 AbstractCegarLoop]: Abstraction has 720 states and 905 transitions. [2022-02-16 13:21:03,503 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:21:03,503 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 905 transitions. [2022-02-16 13:21:03,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-02-16 13:21:03,504 INFO L506 BasicCegarLoop]: Found error trace [2022-02-16 13:21:03,504 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-16 13:21:03,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-16 13:21:03,504 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-16 13:21:03,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 13:21:03,505 INFO L85 PathProgramCache]: Analyzing trace with hash 151526078, now seen corresponding path program 1 times [2022-02-16 13:21:03,505 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 13:21:03,505 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736060744] [2022-02-16 13:21:03,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 13:21:03,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 13:21:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 13:21:03,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 13:21:03,576 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 13:21:03,576 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736060744] [2022-02-16 13:21:03,576 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736060744] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 13:21:03,576 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 13:21:03,576 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-16 13:21:03,577 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814370361] [2022-02-16 13:21:03,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 13:21:03,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-16 13:21:03,578 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 13:21:03,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-16 13:21:03,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 13:21:03,578 INFO L87 Difference]: Start difference. First operand 720 states and 905 transitions. Second operand has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:21:03,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-16 13:21:03,596 INFO L93 Difference]: Finished difference Result 724 states and 880 transitions. [2022-02-16 13:21:03,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 13:21:03,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 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 45 [2022-02-16 13:21:03,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-16 13:21:03,599 INFO L225 Difference]: With dead ends: 724 [2022-02-16 13:21:03,599 INFO L226 Difference]: Without dead ends: 631 [2022-02-16 13:21:03,599 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 [2022-02-16 13:21:03,601 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 41 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-16 13:21:03,601 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 185 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-16 13:21:03,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2022-02-16 13:21:03,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 602. [2022-02-16 13:21:03,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 560 states have (on average 1.3053571428571429) internal successors, (731), 601 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:21:03,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 731 transitions. [2022-02-16 13:21:03,613 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 731 transitions. Word has length 45 [2022-02-16 13:21:03,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-16 13:21:03,613 INFO L470 AbstractCegarLoop]: Abstraction has 602 states and 731 transitions. [2022-02-16 13:21:03,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:21:03,614 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 731 transitions. [2022-02-16 13:21:03,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-02-16 13:21:03,615 INFO L506 BasicCegarLoop]: Found error trace [2022-02-16 13:21:03,615 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-16 13:21:03,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-16 13:21:03,615 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-16 13:21:03,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 13:21:03,616 INFO L85 PathProgramCache]: Analyzing trace with hash 164654098, now seen corresponding path program 1 times [2022-02-16 13:21:03,616 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 13:21:03,616 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129534939] [2022-02-16 13:21:03,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 13:21:03,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 13:21:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 13:21:03,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 13:21:03,651 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 13:21:03,651 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129534939] [2022-02-16 13:21:03,652 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129534939] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 13:21:03,652 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 13:21:03,652 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-16 13:21:03,652 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402488695] [2022-02-16 13:21:03,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 13:21:03,652 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-16 13:21:03,652 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 13:21:03,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-16 13:21:03,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 13:21:03,653 INFO L87 Difference]: Start difference. First operand 602 states and 731 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:21:03,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-16 13:21:03,670 INFO L93 Difference]: Finished difference Result 641 states and 762 transitions. [2022-02-16 13:21:03,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 13:21:03,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 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 46 [2022-02-16 13:21:03,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-16 13:21:03,672 INFO L225 Difference]: With dead ends: 641 [2022-02-16 13:21:03,672 INFO L226 Difference]: Without dead ends: 487 [2022-02-16 13:21:03,672 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 [2022-02-16 13:21:03,673 INFO L933 BasicCegarLoop]: 101 mSDtfsCounter, 23 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-16 13:21:03,673 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 174 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-16 13:21:03,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2022-02-16 13:21:03,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 460. [2022-02-16 13:21:03,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 424 states have (on average 1.2570754716981132) internal successors, (533), 459 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:21:03,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 533 transitions. [2022-02-16 13:21:03,682 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 533 transitions. Word has length 46 [2022-02-16 13:21:03,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-16 13:21:03,683 INFO L470 AbstractCegarLoop]: Abstraction has 460 states and 533 transitions. [2022-02-16 13:21:03,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:21:03,684 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 533 transitions. [2022-02-16 13:21:03,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-02-16 13:21:03,695 INFO L506 BasicCegarLoop]: Found error trace [2022-02-16 13:21:03,695 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-16 13:21:03,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-16 13:21:03,696 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-16 13:21:03,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 13:21:03,696 INFO L85 PathProgramCache]: Analyzing trace with hash 124843568, now seen corresponding path program 1 times [2022-02-16 13:21:03,697 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 13:21:03,697 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850775016] [2022-02-16 13:21:03,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 13:21:03,697 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 13:21:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 13:21:03,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 13:21:03,749 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 13:21:03,749 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850775016] [2022-02-16 13:21:03,749 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850775016] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 13:21:03,749 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 13:21:03,749 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-16 13:21:03,749 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386504546] [2022-02-16 13:21:03,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 13:21:03,750 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-16 13:21:03,750 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 13:21:03,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-16 13:21:03,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 13:21:03,750 INFO L87 Difference]: Start difference. First operand 460 states and 533 transitions. Second operand has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:21:03,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-16 13:21:03,766 INFO L93 Difference]: Finished difference Result 443 states and 505 transitions. [2022-02-16 13:21:03,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 13:21:03,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2022-02-16 13:21:03,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-16 13:21:03,768 INFO L225 Difference]: With dead ends: 443 [2022-02-16 13:21:03,768 INFO L226 Difference]: Without dead ends: 443 [2022-02-16 13:21:03,768 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 [2022-02-16 13:21:03,769 INFO L933 BasicCegarLoop]: 96 mSDtfsCounter, 18 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-16 13:21:03,769 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 167 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-16 13:21:03,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2022-02-16 13:21:03,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2022-02-16 13:21:03,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 409 states have (on average 1.234718826405868) internal successors, (505), 442 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:21:03,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 505 transitions. [2022-02-16 13:21:03,777 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 505 transitions. Word has length 50 [2022-02-16 13:21:03,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-16 13:21:03,777 INFO L470 AbstractCegarLoop]: Abstraction has 443 states and 505 transitions. [2022-02-16 13:21:03,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:21:03,778 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 505 transitions. [2022-02-16 13:21:03,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-02-16 13:21:03,778 INFO L506 BasicCegarLoop]: Found error trace [2022-02-16 13:21:03,778 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-16 13:21:03,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-16 13:21:03,784 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-16 13:21:03,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 13:21:03,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1766016108, now seen corresponding path program 1 times [2022-02-16 13:21:03,786 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 13:21:03,786 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975122362] [2022-02-16 13:21:03,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 13:21:03,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 13:21:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 13:21:03,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 13:21:03,853 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 13:21:03,853 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975122362] [2022-02-16 13:21:03,853 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975122362] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 13:21:03,854 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 13:21:03,854 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-16 13:21:03,854 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007222686] [2022-02-16 13:21:03,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 13:21:03,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-16 13:21:03,854 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 13:21:03,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-16 13:21:03,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 13:21:03,855 INFO L87 Difference]: Start difference. First operand 443 states and 505 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:21:03,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-16 13:21:03,875 INFO L93 Difference]: Finished difference Result 75 states and 74 transitions. [2022-02-16 13:21:03,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 13:21:03,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-02-16 13:21:03,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-16 13:21:03,876 INFO L225 Difference]: With dead ends: 75 [2022-02-16 13:21:03,876 INFO L226 Difference]: Without dead ends: 0 [2022-02-16 13:21:03,877 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 13:21:03,877 INFO L933 BasicCegarLoop]: 67 mSDtfsCounter, 23 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-16 13:21:03,878 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [23 Valid, 93 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-16 13:21:03,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-16 13:21:03,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-16 13:21:03,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:21:03,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-16 13:21:03,878 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2022-02-16 13:21:03,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-16 13:21:03,879 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-16 13:21:03,879 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 13:21:03,879 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-16 13:21:03,879 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-16 13:21:03,881 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (10 of 11 remaining) [2022-02-16 13:21:03,881 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (9 of 11 remaining) [2022-02-16 13:21:03,881 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (8 of 11 remaining) [2022-02-16 13:21:03,881 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (7 of 11 remaining) [2022-02-16 13:21:03,882 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (6 of 11 remaining) [2022-02-16 13:21:03,882 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 11 remaining) [2022-02-16 13:21:03,882 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 11 remaining) [2022-02-16 13:21:03,882 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 11 remaining) [2022-02-16 13:21:03,882 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 11 remaining) [2022-02-16 13:21:03,882 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 11 remaining) [2022-02-16 13:21:03,882 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 11 remaining) [2022-02-16 13:21:03,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-16 13:21:03,884 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-02-16 13:21:03,891 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-16 13:21:03,892 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-16 13:21:03,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 01:21:03 BasicIcfg [2022-02-16 13:21:03,894 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-16 13:21:03,895 INFO L158 Benchmark]: Toolchain (without parser) took 3467.21ms. Allocated memory was 174.1MB in the beginning and 317.7MB in the end (delta: 143.7MB). Free memory was 120.8MB in the beginning and 173.3MB in the end (delta: -52.5MB). Peak memory consumption was 91.6MB. Max. memory is 8.0GB. [2022-02-16 13:21:03,895 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 174.1MB. Free memory was 139.2MB in the beginning and 139.1MB in the end (delta: 71.2kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-16 13:21:03,895 INFO L158 Benchmark]: CACSL2BoogieTranslator took 503.47ms. Allocated memory was 174.1MB in the beginning and 210.8MB in the end (delta: 36.7MB). Free memory was 120.7MB in the beginning and 170.7MB in the end (delta: -50.0MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. [2022-02-16 13:21:03,895 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.81ms. Allocated memory is still 210.8MB. Free memory was 170.7MB in the beginning and 168.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-16 13:21:03,895 INFO L158 Benchmark]: Boogie Preprocessor took 26.39ms. Allocated memory is still 210.8MB. Free memory was 168.1MB in the beginning and 167.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-16 13:21:03,896 INFO L158 Benchmark]: RCFGBuilder took 395.89ms. Allocated memory is still 210.8MB. Free memory was 167.1MB in the beginning and 153.4MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-16 13:21:03,896 INFO L158 Benchmark]: TraceAbstraction took 2472.28ms. Allocated memory was 210.8MB in the beginning and 317.7MB in the end (delta: 107.0MB). Free memory was 152.9MB in the beginning and 173.3MB in the end (delta: -20.4MB). Peak memory consumption was 87.6MB. Max. memory is 8.0GB. [2022-02-16 13:21:03,897 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 174.1MB. Free memory was 139.2MB in the beginning and 139.1MB in the end (delta: 71.2kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 503.47ms. Allocated memory was 174.1MB in the beginning and 210.8MB in the end (delta: 36.7MB). Free memory was 120.7MB in the beginning and 170.7MB in the end (delta: -50.0MB). Peak memory consumption was 11.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 62.81ms. Allocated memory is still 210.8MB. Free memory was 170.7MB in the beginning and 168.1MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.39ms. Allocated memory is still 210.8MB. Free memory was 168.1MB in the beginning and 167.1MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 395.89ms. Allocated memory is still 210.8MB. Free memory was 167.1MB in the beginning and 153.4MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2472.28ms. Allocated memory was 210.8MB in the beginning and 317.7MB in the end (delta: 107.0MB). Free memory was 152.9MB in the beginning and 173.3MB in the end (delta: -20.4MB). Peak memory consumption was 87.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0 - 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 - PositiveResult [Line: 931]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 932]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 934]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 922]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 922]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 120 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.1s, PartialOrderReductionTime: 1.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 145 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 145 mSDsluCounter, 789 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 319 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 62 IncrementalHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 474 mSDtfsCounter, 62 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8953occurred in iteration=0, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 4848 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 234 NumberOfCodeBlocks, 234 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 229 ConstructedInterpolants, 0 QuantifiedInterpolants, 272 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-16 13:21:03,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...