/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_13-equ_proc_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 20:13:27,404 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 20:13:27,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 20:13:27,479 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 20:13:27,480 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 20:13:27,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 20:13:27,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 20:13:27,487 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 20:13:27,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 20:13:27,494 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 20:13:27,495 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 20:13:27,496 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 20:13:27,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 20:13:27,497 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 20:13:27,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 20:13:27,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 20:13:27,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 20:13:27,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 20:13:27,500 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 20:13:27,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 20:13:27,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 20:13:27,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 20:13:27,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 20:13:27,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 20:13:27,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 20:13:27,521 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 20:13:27,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 20:13:27,522 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 20:13:27,522 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 20:13:27,523 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-15 20:13:27,523 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-15 20:13:27,524 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-15 20:13:27,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-15 20:13:27,525 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-15 20:13:27,526 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-15 20:13:27,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-15 20:13:27,527 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-15 20:13:27,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-15 20:13:27,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 20:13:27,528 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 20:13:27,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 20:13:27,532 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 20:13:27,567 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 20:13:27,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 20:13:27,569 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 20:13:27,569 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 20:13:27,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 20:13:27,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 20:13:27,570 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 20:13:27,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 20:13:27,570 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 20:13:27,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 20:13:27,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 20:13:27,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 20:13:27,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 20:13:27,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 20:13:27,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 20:13:27,572 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 20:13:27,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 20:13:27,572 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 20:13:27,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 20:13:27,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 20:13:27,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 20:13:27,573 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 20:13:27,573 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 20:13:27,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:13:27,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 20:13:27,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 20:13:27,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 20:13:27,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 20:13:27,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 20:13:27,575 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 20:13:27,575 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 20:13:27,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 20:13:27,576 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-15 20:13:27,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 20:13:27,786 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 20:13:27,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 20:13:27,789 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 20:13:27,790 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 20:13:27,791 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_13-equ_proc_nr.i [2022-03-15 20:13:27,848 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d019e41a/d9c80b15b04c42a8b3728c48321de333/FLAGde7d56a03 [2022-03-15 20:13:28,326 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 20:13:28,327 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_13-equ_proc_nr.i [2022-03-15 20:13:28,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d019e41a/d9c80b15b04c42a8b3728c48321de333/FLAGde7d56a03 [2022-03-15 20:13:28,642 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d019e41a/d9c80b15b04c42a8b3728c48321de333 [2022-03-15 20:13:28,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 20:13:28,645 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 20:13:28,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 20:13:28,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 20:13:28,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 20:13:28,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 08:13:28" (1/1) ... [2022-03-15 20:13:28,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20a6633e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:28, skipping insertion in model container [2022-03-15 20:13:28,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 08:13:28" (1/1) ... [2022-03-15 20:13:28,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 20:13:28,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 20:13:29,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 20:13:29,118 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 20:13:29,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 20:13:29,229 INFO L208 MainTranslator]: Completed translation [2022-03-15 20:13:29,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:29 WrapperNode [2022-03-15 20:13:29,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 20:13:29,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 20:13:29,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 20:13:29,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 20:13:29,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:29" (1/1) ... [2022-03-15 20:13:29,274 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:29" (1/1) ... [2022-03-15 20:13:29,300 INFO L137 Inliner]: procedures = 266, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2022-03-15 20:13:29,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 20:13:29,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 20:13:29,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 20:13:29,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 20:13:29,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:29" (1/1) ... [2022-03-15 20:13:29,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:29" (1/1) ... [2022-03-15 20:13:29,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:29" (1/1) ... [2022-03-15 20:13:29,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:29" (1/1) ... [2022-03-15 20:13:29,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:29" (1/1) ... [2022-03-15 20:13:29,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:29" (1/1) ... [2022-03-15 20:13:29,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:29" (1/1) ... [2022-03-15 20:13:29,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 20:13:29,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 20:13:29,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 20:13:29,320 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 20:13:29,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:29" (1/1) ... [2022-03-15 20:13:29,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:13:29,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:13:29,367 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 20:13:29,369 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 20:13:29,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 20:13:29,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 20:13:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 20:13:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-15 20:13:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 20:13:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-03-15 20:13:29,394 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-03-15 20:13:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 20:13:29,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 20:13:29,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 20:13:29,395 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 20:13:29,545 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 20:13:29,546 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 20:13:29,744 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 20:13:29,757 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 20:13:29,757 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-15 20:13:29,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:13:29 BoogieIcfgContainer [2022-03-15 20:13:29,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 20:13:29,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 20:13:29,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 20:13:29,764 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 20:13:29,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 08:13:28" (1/3) ... [2022-03-15 20:13:29,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ed1a72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 08:13:29, skipping insertion in model container [2022-03-15 20:13:29,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:13:29" (2/3) ... [2022-03-15 20:13:29,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ed1a72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 08:13:29, skipping insertion in model container [2022-03-15 20:13:29,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:13:29" (3/3) ... [2022-03-15 20:13:29,767 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-symbeq_13-equ_proc_nr.i [2022-03-15 20:13:29,771 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 20:13:29,771 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 20:13:29,771 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-03-15 20:13:29,772 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 20:13:29,818 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,818 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,818 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,818 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,819 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,819 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,821 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,821 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,821 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,824 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,839 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,839 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,840 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,840 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:13:29,843 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-03-15 20:13:29,892 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 20:13:29,897 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 20:13:29,897 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-03-15 20:13:29,913 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 20:13:29,921 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 84 transitions, 173 flow [2022-03-15 20:13:29,924 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 84 transitions, 173 flow [2022-03-15 20:13:29,925 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 84 transitions, 173 flow [2022-03-15 20:13:29,971 INFO L129 PetriNetUnfolder]: 1/83 cut-off events. [2022-03-15 20:13:29,971 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-03-15 20:13:29,974 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 83 events. 1/83 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 36 event pairs, 0 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2022-03-15 20:13:29,977 INFO L116 LiptonReduction]: Number of co-enabled transitions 750 [2022-03-15 20:13:33,685 INFO L131 LiptonReduction]: Checked pairs total: 2931 [2022-03-15 20:13:33,686 INFO L133 LiptonReduction]: Total number of compositions: 69 [2022-03-15 20:13:33,692 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 25 places, 21 transitions, 47 flow [2022-03-15 20:13:33,709 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 98 states, 95 states have (on average 1.831578947368421) internal successors, (174), 97 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:33,711 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 95 states have (on average 1.831578947368421) internal successors, (174), 97 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:33,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-03-15 20:13:33,716 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:33,716 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:33,717 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2022-03-15 20:13:33,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:33,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1724713202, now seen corresponding path program 1 times [2022-03-15 20:13:33,736 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:33,736 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874365523] [2022-03-15 20:13:33,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:33,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:34,012 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 20:13:34,012 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:34,012 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874365523] [2022-03-15 20:13:34,013 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874365523] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:34,014 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:13:34,014 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 20:13:34,015 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1005412684] [2022-03-15 20:13:34,016 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:34,020 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:34,033 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2022-03-15 20:13:34,034 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:34,037 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:34,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 20:13:34,038 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:34,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 20:13:34,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 20:13:34,061 INFO L87 Difference]: Start difference. First operand has 98 states, 95 states have (on average 1.831578947368421) internal successors, (174), 97 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:34,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:34,193 INFO L93 Difference]: Finished difference Result 128 states and 227 transitions. [2022-03-15 20:13:34,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 20:13:34,195 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2022-03-15 20:13:34,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:34,202 INFO L225 Difference]: With dead ends: 128 [2022-03-15 20:13:34,202 INFO L226 Difference]: Without dead ends: 114 [2022-03-15 20:13:34,203 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 20:13:34,205 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 22 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:34,206 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 6 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 20:13:34,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2022-03-15 20:13:34,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 109. [2022-03-15 20:13:34,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 106 states have (on average 1.8113207547169812) internal successors, (192), 108 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:34,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 192 transitions. [2022-03-15 20:13:34,245 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 192 transitions. Word has length 9 [2022-03-15 20:13:34,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:34,246 INFO L470 AbstractCegarLoop]: Abstraction has 109 states and 192 transitions. [2022-03-15 20:13:34,246 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:34,246 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 192 transitions. [2022-03-15 20:13:34,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-03-15 20:13:34,247 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:34,247 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:34,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 20:13:34,247 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2022-03-15 20:13:34,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:34,248 INFO L85 PathProgramCache]: Analyzing trace with hash 2082738462, now seen corresponding path program 1 times [2022-03-15 20:13:34,249 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:34,249 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631012694] [2022-03-15 20:13:34,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:34,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:34,364 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 20:13:34,365 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:34,365 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631012694] [2022-03-15 20:13:34,365 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631012694] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:34,365 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:13:34,365 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 20:13:34,366 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [541245084] [2022-03-15 20:13:34,366 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:34,367 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:34,368 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2022-03-15 20:13:34,368 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:34,368 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:34,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 20:13:34,369 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:34,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 20:13:34,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 20:13:34,370 INFO L87 Difference]: Start difference. First operand 109 states and 192 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:34,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:34,483 INFO L93 Difference]: Finished difference Result 133 states and 234 transitions. [2022-03-15 20:13:34,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 20:13:34,484 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 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 9 [2022-03-15 20:13:34,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:34,487 INFO L225 Difference]: With dead ends: 133 [2022-03-15 20:13:34,487 INFO L226 Difference]: Without dead ends: 119 [2022-03-15 20:13:34,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 20:13:34,489 INFO L933 BasicCegarLoop]: 7 mSDtfsCounter, 20 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:34,489 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 7 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 20:13:34,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-03-15 20:13:34,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2022-03-15 20:13:34,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 116 states have (on average 1.793103448275862) internal successors, (208), 118 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:34,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 208 transitions. [2022-03-15 20:13:34,499 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 208 transitions. Word has length 9 [2022-03-15 20:13:34,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:34,499 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 208 transitions. [2022-03-15 20:13:34,499 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:34,500 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 208 transitions. [2022-03-15 20:13:34,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-03-15 20:13:34,500 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:34,500 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:34,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 20:13:34,501 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2022-03-15 20:13:34,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:34,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1060408498, now seen corresponding path program 1 times [2022-03-15 20:13:34,502 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:34,502 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132663623] [2022-03-15 20:13:34,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:34,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:34,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:34,745 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:34,745 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132663623] [2022-03-15 20:13:34,746 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132663623] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:34,746 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:13:34,746 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 20:13:34,746 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2095344693] [2022-03-15 20:13:34,746 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:34,748 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:34,750 INFO L252 McrAutomatonBuilder]: Finished intersection with 17 states and 20 transitions. [2022-03-15 20:13:34,750 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:34,869 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:34,869 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-15 20:13:34,870 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:34,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-15 20:13:34,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-03-15 20:13:34,870 INFO L87 Difference]: Start difference. First operand 119 states and 208 transitions. Second operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:35,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:35,115 INFO L93 Difference]: Finished difference Result 206 states and 358 transitions. [2022-03-15 20:13:35,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-15 20:13:35,116 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 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 20:13:35,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:35,117 INFO L225 Difference]: With dead ends: 206 [2022-03-15 20:13:35,117 INFO L226 Difference]: Without dead ends: 192 [2022-03-15 20:13:35,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2022-03-15 20:13:35,119 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 62 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:35,119 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [62 Valid, 7 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 20:13:35,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-03-15 20:13:35,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 154. [2022-03-15 20:13:35,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 151 states have (on average 1.8079470198675496) internal successors, (273), 153 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:35,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 273 transitions. [2022-03-15 20:13:35,130 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 273 transitions. Word has length 12 [2022-03-15 20:13:35,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:35,130 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 273 transitions. [2022-03-15 20:13:35,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:35,130 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 273 transitions. [2022-03-15 20:13:35,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-03-15 20:13:35,131 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:35,132 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:35,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 20:13:35,132 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2022-03-15 20:13:35,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:35,132 INFO L85 PathProgramCache]: Analyzing trace with hash 188523364, now seen corresponding path program 1 times [2022-03-15 20:13:35,140 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:35,140 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359476375] [2022-03-15 20:13:35,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:35,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:35,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:35,343 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 20:13:35,343 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:35,343 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359476375] [2022-03-15 20:13:35,346 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359476375] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:35,347 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:13:35,347 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 20:13:35,347 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [898007133] [2022-03-15 20:13:35,347 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:35,350 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:35,354 INFO L252 McrAutomatonBuilder]: Finished intersection with 13 states and 12 transitions. [2022-03-15 20:13:35,354 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:35,355 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:13:35,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-03-15 20:13:35,355 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:35,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-03-15 20:13:35,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-03-15 20:13:35,356 INFO L87 Difference]: Start difference. First operand 154 states and 273 transitions. Second operand has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 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 20:13:35,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:35,573 INFO L93 Difference]: Finished difference Result 205 states and 351 transitions. [2022-03-15 20:13:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-03-15 20:13:35,574 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 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 20:13:35,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:35,575 INFO L225 Difference]: With dead ends: 205 [2022-03-15 20:13:35,575 INFO L226 Difference]: Without dead ends: 157 [2022-03-15 20:13:35,575 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2022-03-15 20:13:35,576 INFO L933 BasicCegarLoop]: 5 mSDtfsCounter, 69 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:35,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [69 Valid, 8 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 20:13:35,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-03-15 20:13:35,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 134. [2022-03-15 20:13:35,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 131 states have (on average 1.8015267175572518) internal successors, (236), 133 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:35,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 236 transitions. [2022-03-15 20:13:35,584 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 236 transitions. Word has length 12 [2022-03-15 20:13:35,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:35,584 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 236 transitions. [2022-03-15 20:13:35,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 1.2) internal successors, (12), 10 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 20:13:35,585 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 236 transitions. [2022-03-15 20:13:35,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-03-15 20:13:35,585 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:35,585 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:35,586 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 20:13:35,586 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2022-03-15 20:13:35,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:35,586 INFO L85 PathProgramCache]: Analyzing trace with hash -537745108, now seen corresponding path program 2 times [2022-03-15 20:13:35,592 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:35,592 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073906988] [2022-03-15 20:13:35,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:35,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:35,918 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 20:13:35,919 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:35,919 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073906988] [2022-03-15 20:13:35,919 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073906988] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:35,919 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:13:35,919 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 20:13:35,919 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1767883740] [2022-03-15 20:13:35,919 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:35,921 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:35,923 INFO L252 McrAutomatonBuilder]: Finished intersection with 18 states and 22 transitions. [2022-03-15 20:13:35,923 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:36,132 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 5 new interpolants: [2061#(and (or (not (= (select (select |#pthreadsMutex| |ULTIMATE.start_main_~m~0#1.base|) |ULTIMATE.start_main_~m~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~d~0#1.base| |~#A~0.base|))) (or (not (= (select (select |#pthreadsMutex| |ULTIMATE.start_main_~m~0#1.base|) |ULTIMATE.start_main_~m~0#1.offset|) 0)) (= |~#A~0.offset| 0))), 2058#(and (= |t_funThread1of1ForFork0_#t~nondet3| (select (select |#race| |~#A~0.base|) (+ |~#A~0.offset| 1))) (= (select (select |#race| |~#A~0.base|) |~#A~0.offset|) |t_funThread1of1ForFork0_#t~nondet3|) (= |~#A~0.offset| 0) (not (= |ULTIMATE.start_main_~d~0#1.base| |~#A~0.base|))), 2059#(and (or (not (= (select (select |#pthreadsMutex| |ULTIMATE.start_main_~m~0#1.base|) |ULTIMATE.start_main_~m~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~d~0#1.base| |~#A~0.base|))) (or (not (= (select (select |#pthreadsMutex| |ULTIMATE.start_main_~m~0#1.base|) |ULTIMATE.start_main_~m~0#1.offset|) 0)) (= |~#A~0.offset| 0)) (or (= |t_funThread1of1ForFork0_#t~nondet3| (select (select |#race| |~#A~0.base|) (+ |~#A~0.offset| 1))) (not (= (select (select |#pthreadsMutex| |ULTIMATE.start_main_~m~0#1.base|) |ULTIMATE.start_main_~m~0#1.offset|) 0))) (or (= (select (select |#race| |~#A~0.base|) |~#A~0.offset|) |t_funThread1of1ForFork0_#t~nondet3|) (not (= (select (select |#pthreadsMutex| |ULTIMATE.start_main_~m~0#1.base|) |ULTIMATE.start_main_~m~0#1.offset|) 0)))), 2057#(and (not (= |ULTIMATE.start_update_~p#1.base| |~#A~0.base|)) (= |~#A~0.offset| 0)), 2060#(and (or (not (= (select (select |#pthreadsMutex| |ULTIMATE.start_main_~m~0#1.base|) |ULTIMATE.start_main_~m~0#1.offset|) 0)) (not (= |ULTIMATE.start_main_~d~0#1.base| |~#A~0.base|))) (or (not (= (select (select |#pthreadsMutex| |ULTIMATE.start_main_~m~0#1.base|) |ULTIMATE.start_main_~m~0#1.offset|) 0)) (= |~#A~0.offset| 0)) (or (= (select (select |#race| |~#A~0.base|) |~#A~0.offset|) |t_funThread1of1ForFork0_#t~nondet3|) (not (= (select (select |#pthreadsMutex| |ULTIMATE.start_main_~m~0#1.base|) |ULTIMATE.start_main_~m~0#1.offset|) 0))))] [2022-03-15 20:13:36,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-15 20:13:36,133 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:36,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-15 20:13:36,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2022-03-15 20:13:36,134 INFO L87 Difference]: Start difference. First operand 134 states and 236 transitions. Second operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:36,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:36,653 INFO L93 Difference]: Finished difference Result 181 states and 306 transitions. [2022-03-15 20:13:36,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-15 20:13:36,653 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 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 20:13:36,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:36,654 INFO L225 Difference]: With dead ends: 181 [2022-03-15 20:13:36,654 INFO L226 Difference]: Without dead ends: 139 [2022-03-15 20:13:36,654 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=228, Invalid=474, Unknown=0, NotChecked=0, Total=702 [2022-03-15 20:13:36,655 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 91 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:36,655 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 9 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 20:13:36,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2022-03-15 20:13:36,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 120. [2022-03-15 20:13:36,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 117 states have (on average 1.7521367521367521) internal successors, (205), 119 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:36,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 205 transitions. [2022-03-15 20:13:36,661 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 205 transitions. Word has length 12 [2022-03-15 20:13:36,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:36,661 INFO L470 AbstractCegarLoop]: Abstraction has 120 states and 205 transitions. [2022-03-15 20:13:36,661 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:36,661 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 205 transitions. [2022-03-15 20:13:36,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-03-15 20:13:36,662 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:36,664 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:36,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-15 20:13:36,665 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2022-03-15 20:13:36,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:36,665 INFO L85 PathProgramCache]: Analyzing trace with hash -235392626, now seen corresponding path program 3 times [2022-03-15 20:13:36,667 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:36,667 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502246834] [2022-03-15 20:13:36,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:36,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:37,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-15 20:13:37,168 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:37,168 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502246834] [2022-03-15 20:13:37,168 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502246834] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:37,168 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:13:37,168 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 20:13:37,168 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [772640901] [2022-03-15 20:13:37,169 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:37,170 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:37,173 INFO L252 McrAutomatonBuilder]: Finished intersection with 22 states and 30 transitions. [2022-03-15 20:13:37,173 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:37,476 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 8 new interpolants: [2517#(and (= |t_funThread1of1ForFork0_#t~nondet3| (select (select |#race| |~#A~0.base|) (+ |~#A~0.offset| 1))) (not (= |ULTIMATE.start_update_~p#1.base| |~#A~0.base|)) (= (select (select |#race| |~#A~0.base|) |~#A~0.offset|) |t_funThread1of1ForFork0_#t~nondet3|)), 2521#(and (= (select (select |#race| |~#A~0.base|) |~#A~0.offset|) |t_funThread1of1ForFork0_#t~nondet3|) (not (= |ULTIMATE.start_main_~d~0#1.base| |~#A~0.base|))), 2516#(and (= |t_funThread1of1ForFork0_#t~nondet3| (select (select |#race| |~#A~0.base|) (+ |~#A~0.offset| 1))) (= |t_funThread1of1ForFork0_#t~nondet3| (select (select |#race| |~#A~0.base|) (+ |~#A~0.offset| 2))) (not (= |ULTIMATE.start_update_~p#1.base| |~#A~0.base|)) (= (select (select |#race| |~#A~0.base|) |~#A~0.offset|) |t_funThread1of1ForFork0_#t~nondet3|)), 2523#(not (= |ULTIMATE.start_main_~d~0#1.base| |~#A~0.base|)), 2518#(and (= |t_funThread1of1ForFork0_#t~nondet3| (select (select |#race| |~#A~0.base|) (+ |~#A~0.offset| 1))) (= |t_funThread1of1ForFork0_#t~nondet3| (select (select |#race| |~#A~0.base|) (+ |~#A~0.offset| 2))) (= (select (select |#race| |~#A~0.base|) |~#A~0.offset|) |t_funThread1of1ForFork0_#t~nondet3|) (not (= |ULTIMATE.start_main_~d~0#1.base| |~#A~0.base|))), 2519#(and (= |t_funThread1of1ForFork0_#t~nondet3| (select (select |#race| |~#A~0.base|) (+ |~#A~0.offset| 1))) (= (select (select |#race| |~#A~0.base|) |~#A~0.offset|) |t_funThread1of1ForFork0_#t~nondet3|) (not (= |ULTIMATE.start_main_~d~0#1.base| |~#A~0.base|))), 2522#(not (= |ULTIMATE.start_update_~p#1.base| |~#A~0.base|)), 2520#(and (not (= |ULTIMATE.start_update_~p#1.base| |~#A~0.base|)) (= (select (select |#race| |~#A~0.base|) |~#A~0.offset|) |t_funThread1of1ForFork0_#t~nondet3|))] [2022-03-15 20:13:37,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-15 20:13:37,477 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:37,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-15 20:13:37,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2022-03-15 20:13:37,478 INFO L87 Difference]: Start difference. First operand 120 states and 205 transitions. Second operand has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:37,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:37,802 INFO L93 Difference]: Finished difference Result 133 states and 221 transitions. [2022-03-15 20:13:37,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-03-15 20:13:37,802 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 0 states have call successors, (0), 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 20:13:37,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:37,803 INFO L225 Difference]: With dead ends: 133 [2022-03-15 20:13:37,803 INFO L226 Difference]: Without dead ends: 111 [2022-03-15 20:13:37,804 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2022-03-15 20:13:37,804 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 57 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:37,805 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 9 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-15 20:13:37,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2022-03-15 20:13:37,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 107. [2022-03-15 20:13:37,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 104 states have (on average 1.7692307692307692) internal successors, (184), 106 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:37,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 184 transitions. [2022-03-15 20:13:37,810 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 184 transitions. Word has length 12 [2022-03-15 20:13:37,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:37,810 INFO L470 AbstractCegarLoop]: Abstraction has 107 states and 184 transitions. [2022-03-15 20:13:37,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 1.6111111111111112) internal successors, (29), 18 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:37,810 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 184 transitions. [2022-03-15 20:13:37,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-03-15 20:13:37,811 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:37,811 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:37,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-15 20:13:37,812 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2022-03-15 20:13:37,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:37,812 INFO L85 PathProgramCache]: Analyzing trace with hash -711287338, now seen corresponding path program 2 times [2022-03-15 20:13:37,813 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:37,813 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035580117] [2022-03-15 20:13:37,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:37,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:38,115 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 20:13:38,115 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:38,116 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035580117] [2022-03-15 20:13:38,116 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035580117] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:38,116 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:13:38,116 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 20:13:38,116 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [565113712] [2022-03-15 20:13:38,116 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:38,117 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:38,120 INFO L252 McrAutomatonBuilder]: Finished intersection with 22 states and 30 transitions. [2022-03-15 20:13:38,120 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:38,528 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 5 new interpolants: [2890#(and (= |~#A~0.offset| 0) (not (= |ULTIMATE.start_main_~d~0#1.base| |~#A~0.base|))), 2887#(and (or (= (select (select |#race| |ULTIMATE.start_update_~p#1.base|) (+ |ULTIMATE.start_update_~p#1.offset| 2)) |ULTIMATE.start_update_#t~nondet4#1|) (not (= (select (select |#pthreadsMutex| |~#A~0.base|) (+ |~#A~0.offset| 4)) 0))) (or (= (select (select |#race| |ULTIMATE.start_update_~p#1.base|) |ULTIMATE.start_update_~p#1.offset|) |ULTIMATE.start_update_#t~nondet4#1|) (not (= (select (select |#pthreadsMutex| |~#A~0.base|) (+ |~#A~0.offset| 4)) 0))) (or (not (= |ULTIMATE.start_update_~p#1.base| |~#A~0.base|)) (not (= (select (select |#pthreadsMutex| |~#A~0.base|) (+ |~#A~0.offset| 4)) 0))) (or (= (select (select |#race| |ULTIMATE.start_update_~p#1.base|) (+ |ULTIMATE.start_update_~p#1.offset| 1)) |ULTIMATE.start_update_#t~nondet4#1|) (not (= (select (select |#pthreadsMutex| |~#A~0.base|) (+ |~#A~0.offset| 4)) 0))) (or (not (= (select (select |#pthreadsMutex| |~#A~0.base|) (+ |~#A~0.offset| 4)) 0)) (= |~#A~0.offset| 0))), 2888#(and (or (= (select (select |#race| |ULTIMATE.start_update_~p#1.base|) |ULTIMATE.start_update_~p#1.offset|) |ULTIMATE.start_update_#t~nondet4#1|) (not (= (select (select |#pthreadsMutex| |~#A~0.base|) (+ |~#A~0.offset| 4)) 0))) (or (not (= |ULTIMATE.start_update_~p#1.base| |~#A~0.base|)) (not (= (select (select |#pthreadsMutex| |~#A~0.base|) (+ |~#A~0.offset| 4)) 0))) (or (= (select (select |#race| |ULTIMATE.start_update_~p#1.base|) (+ |ULTIMATE.start_update_~p#1.offset| 1)) |ULTIMATE.start_update_#t~nondet4#1|) (not (= (select (select |#pthreadsMutex| |~#A~0.base|) (+ |~#A~0.offset| 4)) 0))) (or (not (= (select (select |#pthreadsMutex| |~#A~0.base|) (+ |~#A~0.offset| 4)) 0)) (= |~#A~0.offset| 0))), 2886#(and (or (= (select (select |#race| |ULTIMATE.start_update_~p#1.base|) (+ |ULTIMATE.start_update_~p#1.offset| 2)) |ULTIMATE.start_update_#t~nondet4#1|) (not (= (select (select |#pthreadsMutex| |~#A~0.base|) (+ |~#A~0.offset| 4)) 0))) (or (= (select (select |#race| |ULTIMATE.start_update_~p#1.base|) |ULTIMATE.start_update_~p#1.offset|) |ULTIMATE.start_update_#t~nondet4#1|) (not (= (select (select |#pthreadsMutex| |~#A~0.base|) (+ |~#A~0.offset| 4)) 0))) (or (not (= |ULTIMATE.start_update_~p#1.base| |~#A~0.base|)) (not (= (select (select |#pthreadsMutex| |~#A~0.base|) (+ |~#A~0.offset| 4)) 0))) (or (= (select (select |#race| |ULTIMATE.start_update_~p#1.base|) (+ |ULTIMATE.start_update_~p#1.offset| 1)) |ULTIMATE.start_update_#t~nondet4#1|) (not (= (select (select |#pthreadsMutex| |~#A~0.base|) (+ |~#A~0.offset| 4)) 0))) (or (not (= (select (select |#pthreadsMutex| |~#A~0.base|) (+ |~#A~0.offset| 4)) 0)) (= |~#A~0.offset| 0)) (or (not (= (select (select |#pthreadsMutex| |~#A~0.base|) (+ |~#A~0.offset| 4)) 0)) (= (select (select |#race| |ULTIMATE.start_update_~p#1.base|) (+ |ULTIMATE.start_update_~p#1.offset| 3)) |ULTIMATE.start_update_#t~nondet4#1|))), 2889#(and (or (= (select (select |#race| |ULTIMATE.start_update_~p#1.base|) |ULTIMATE.start_update_~p#1.offset|) |ULTIMATE.start_update_#t~nondet4#1|) (not (= (select (select |#pthreadsMutex| |~#A~0.base|) (+ |~#A~0.offset| 4)) 0))) (or (not (= |ULTIMATE.start_update_~p#1.base| |~#A~0.base|)) (not (= (select (select |#pthreadsMutex| |~#A~0.base|) (+ |~#A~0.offset| 4)) 0))) (or (not (= (select (select |#pthreadsMutex| |~#A~0.base|) (+ |~#A~0.offset| 4)) 0)) (= |~#A~0.offset| 0)))] [2022-03-15 20:13:38,528 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-15 20:13:38,528 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:38,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-15 20:13:38,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2022-03-15 20:13:38,529 INFO L87 Difference]: Start difference. First operand 107 states and 184 transitions. Second operand has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 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 20:13:39,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:39,312 INFO L93 Difference]: Finished difference Result 127 states and 225 transitions. [2022-03-15 20:13:39,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-03-15 20:13:39,313 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 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 12 [2022-03-15 20:13:39,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:39,314 INFO L225 Difference]: With dead ends: 127 [2022-03-15 20:13:39,314 INFO L226 Difference]: Without dead ends: 109 [2022-03-15 20:13:39,315 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=298, Invalid=632, Unknown=0, NotChecked=0, Total=930 [2022-03-15 20:13:39,316 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 54 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:39,316 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 0 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 20:13:39,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-03-15 20:13:39,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 62. [2022-03-15 20:13:39,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.6721311475409837) internal successors, (102), 61 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:39,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 102 transitions. [2022-03-15 20:13:39,319 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 102 transitions. Word has length 12 [2022-03-15 20:13:39,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:39,319 INFO L470 AbstractCegarLoop]: Abstraction has 62 states and 102 transitions. [2022-03-15 20:13:39,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 15 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 20:13:39,319 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 102 transitions. [2022-03-15 20:13:39,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-03-15 20:13:39,320 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:13:39,320 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:13:39,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-15 20:13:39,320 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr0ASSERT_VIOLATIONDATA_RACE] === [2022-03-15 20:13:39,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:13:39,321 INFO L85 PathProgramCache]: Analyzing trace with hash 537644524, now seen corresponding path program 4 times [2022-03-15 20:13:39,328 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:13:39,328 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074170141] [2022-03-15 20:13:39,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:13:39,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:13:39,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:13:39,573 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 20:13:39,573 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:13:39,573 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074170141] [2022-03-15 20:13:39,574 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074170141] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:13:39,574 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:13:39,574 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-03-15 20:13:39,574 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [575383544] [2022-03-15 20:13:39,574 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:13:39,575 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:13:39,576 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 14 transitions. [2022-03-15 20:13:39,576 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:13:39,602 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 1 new interpolants: [3183#(and (= |~#A~0.offset| 0) (not (= |ULTIMATE.start_main_~d~0#1.base| |~#A~0.base|)))] [2022-03-15 20:13:39,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-03-15 20:13:39,603 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:13:39,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-03-15 20:13:39,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-03-15 20:13:39,605 INFO L87 Difference]: Start difference. First operand 62 states and 102 transitions. Second operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:39,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:13:39,822 INFO L93 Difference]: Finished difference Result 56 states and 91 transitions. [2022-03-15 20:13:39,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-03-15 20:13:39,822 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 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 20:13:39,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:13:39,823 INFO L225 Difference]: With dead ends: 56 [2022-03-15 20:13:39,823 INFO L226 Difference]: Without dead ends: 0 [2022-03-15 20:13:39,823 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2022-03-15 20:13:39,824 INFO L933 BasicCegarLoop]: 0 mSDtfsCounter, 44 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 20:13:39,824 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [44 Valid, 0 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 20:13:39,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-15 20:13:39,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-15 20:13:39,825 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) [2022-03-15 20:13:39,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-15 20:13:39,825 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2022-03-15 20:13:39,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:13:39,825 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-15 20:13:39,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:13:39,825 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-15 20:13:39,825 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-15 20:13:39,827 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2022-03-15 20:13:39,828 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-03-15 20:13:39,828 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2022-03-15 20:13:39,828 INFO L764 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2022-03-15 20:13:39,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-15 20:13:39,830 INFO L732 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1] [2022-03-15 20:13:39,832 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 20:13:39,833 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 20:13:39,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 08:13:39 BasicIcfg [2022-03-15 20:13:39,835 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 20:13:39,835 INFO L158 Benchmark]: Toolchain (without parser) took 11190.11ms. Allocated memory was 188.7MB in the beginning and 272.6MB in the end (delta: 83.9MB). Free memory was 139.4MB in the beginning and 133.5MB in the end (delta: 5.9MB). Peak memory consumption was 90.9MB. Max. memory is 8.0GB. [2022-03-15 20:13:39,835 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 188.7MB. Free memory is still 157.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 20:13:39,835 INFO L158 Benchmark]: CACSL2BoogieTranslator took 585.19ms. Allocated memory is still 188.7MB. Free memory was 139.2MB in the beginning and 152.6MB in the end (delta: -13.4MB). Peak memory consumption was 12.9MB. Max. memory is 8.0GB. [2022-03-15 20:13:39,836 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.19ms. Allocated memory is still 188.7MB. Free memory was 152.6MB in the beginning and 149.7MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-15 20:13:39,836 INFO L158 Benchmark]: Boogie Preprocessor took 18.31ms. Allocated memory is still 188.7MB. Free memory was 149.7MB in the beginning and 148.4MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 20:13:39,836 INFO L158 Benchmark]: RCFGBuilder took 438.90ms. Allocated memory is still 188.7MB. Free memory was 148.4MB in the beginning and 134.8MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-03-15 20:13:39,836 INFO L158 Benchmark]: TraceAbstraction took 10074.44ms. Allocated memory was 188.7MB in the beginning and 272.6MB in the end (delta: 83.9MB). Free memory was 134.2MB in the beginning and 133.5MB in the end (delta: 712.1kB). Peak memory consumption was 85.6MB. Max. memory is 8.0GB. [2022-03-15 20:13:39,838 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 188.7MB. Free memory is still 157.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 585.19ms. Allocated memory is still 188.7MB. Free memory was 139.2MB in the beginning and 152.6MB in the end (delta: -13.4MB). Peak memory consumption was 12.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 68.19ms. Allocated memory is still 188.7MB. Free memory was 152.6MB in the beginning and 149.7MB in the end (delta: 2.9MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 18.31ms. Allocated memory is still 188.7MB. Free memory was 149.7MB in the beginning and 148.4MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 438.90ms. Allocated memory is still 188.7MB. Free memory was 148.4MB in the beginning and 134.8MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 10074.44ms. Allocated memory was 188.7MB in the beginning and 272.6MB in the end (delta: 83.9MB). Free memory was 134.2MB in the beginning and 133.5MB in the end (delta: 712.1kB). Peak memory consumption was 85.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.8s, 87 PlacesBefore, 25 PlacesAfterwards, 84 TransitionsBefore, 21 TransitionsAfterwards, 750 CoEnabledTransitionPairs, 7 FixpointIterations, 40 TrivialSequentialCompositions, 22 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 69 TotalNumberOfCompositions, 2931 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1092, positive: 852, positive conditional: 0, positive unconditional: 852, negative: 240, negative conditional: 0, negative unconditional: 240, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 368, positive: 342, positive conditional: 0, positive unconditional: 342, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1092, positive: 510, positive conditional: 0, positive unconditional: 510, negative: 214, negative conditional: 0, negative unconditional: 214, unknown: 368, unknown conditional: 0, unknown unconditional: 368] , Statistics on independence cache: Total cache size (in pairs): 49, Positive cache size: 31, Positive conditional cache size: 0, Positive unconditional cache size: 31, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 - 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: 999]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 994]: 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, 101 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 9.9s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.8s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 419 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 419 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 108 mSDsCounter, 342 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2014 IncrementalHoareTripleChecker+Invalid, 2356 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 342 mSolverCounterUnsat, 34 mSDtfsCounter, 2014 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 138 GetRequests, 5 SyntacticMatches, 6 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 424 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=154occurred in iteration=3, InterpolantAutomatonStates: 94, 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, 8 MinimizatonAttempts, 136 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 1913 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-15 20:13:39,871 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...