/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-10 23:29:30,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 23:29:30,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 23:29:30,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-10 23:29:30,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-10 23:29:30,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-10 23:29:30,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-10 23:29:30,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-10 23:29:30,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-10 23:29:30,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-10 23:29:30,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-10 23:29:30,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-10 23:29:30,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 23:29:30,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 23:29:30,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 23:29:30,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 23:29:30,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 23:29:30,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 23:29:30,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 23:29:30,557 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 23:29:30,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 23:29:30,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 23:29:30,565 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 23:29:30,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 23:29:30,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-10 23:29:30,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-10 23:29:30,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-10 23:29:30,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-10 23:29:30,572 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-10 23:29:30,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-10 23:29:30,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-10 23:29:30,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-10 23:29:30,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-10 23:29:30,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-10 23:29:30,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-10 23:29:30,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-10 23:29:30,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-10 23:29:30,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-10 23:29:30,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 23:29:30,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 23:29:30,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 23:29:30,580 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-02-10 23:29:30,606 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 23:29:30,606 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 23:29:30,607 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 23:29:30,607 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 23:29:30,607 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 23:29:30,607 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 23:29:30,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 23:29:30,608 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 23:29:30,608 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 23:29:30,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 23:29:30,609 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 23:29:30,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 23:29:30,609 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 23:29:30,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 23:29:30,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 23:29:30,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 23:29:30,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 23:29:30,609 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 23:29:30,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 23:29:30,609 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 23:29:30,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 23:29:30,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 23:29:30,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 23:29:30,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 23:29:30,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 23:29:30,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 23:29:30,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 23:29:30,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 23:29:30,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 23:29:30,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 23:29:30,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 23:29:30,611 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 23:29:30,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 23:29:30,611 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-10 23:29:30,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 23:29:30,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 23:29:30,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 23:29:30,825 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-10 23:29:30,826 INFO L275 PluginConnector]: CDTParser initialized [2022-02-10 23:29:30,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i [2022-02-10 23:29:30,872 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5833adbb/b45ac75f77fb485c932e68155bab8b81/FLAG5c87860a0 [2022-02-10 23:29:31,269 INFO L306 CDTParser]: Found 1 translation units. [2022-02-10 23:29:31,269 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i [2022-02-10 23:29:31,292 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5833adbb/b45ac75f77fb485c932e68155bab8b81/FLAG5c87860a0 [2022-02-10 23:29:31,590 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5833adbb/b45ac75f77fb485c932e68155bab8b81 [2022-02-10 23:29:31,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 23:29:31,593 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-10 23:29:31,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-10 23:29:31,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-10 23:29:31,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-10 23:29:31,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 11:29:31" (1/1) ... [2022-02-10 23:29:31,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a30516 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:29:31, skipping insertion in model container [2022-02-10 23:29:31,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.02 11:29:31" (1/1) ... [2022-02-10 23:29:31,603 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-10 23:29:31,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-10 23:29:32,078 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i[76068,76081] [2022-02-10 23:29:32,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 23:29:32,114 INFO L203 MainTranslator]: Completed pre-run [2022-02-10 23:29:32,165 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i[76068,76081] [2022-02-10 23:29:32,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-10 23:29:32,271 INFO L208 MainTranslator]: Completed translation [2022-02-10 23:29:32,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:29:32 WrapperNode [2022-02-10 23:29:32,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-10 23:29:32,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 23:29:32,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 23:29:32,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 23:29:32,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:29:32" (1/1) ... [2022-02-10 23:29:32,301 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:29:32" (1/1) ... [2022-02-10 23:29:32,334 INFO L137 Inliner]: procedures = 480, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2022-02-10 23:29:32,335 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 23:29:32,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 23:29:32,335 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 23:29:32,335 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 23:29:32,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:29:32" (1/1) ... [2022-02-10 23:29:32,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:29:32" (1/1) ... [2022-02-10 23:29:32,348 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:29:32" (1/1) ... [2022-02-10 23:29:32,349 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:29:32" (1/1) ... [2022-02-10 23:29:32,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:29:32" (1/1) ... [2022-02-10 23:29:32,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:29:32" (1/1) ... [2022-02-10 23:29:32,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:29:32" (1/1) ... [2022-02-10 23:29:32,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 23:29:32,365 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 23:29:32,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 23:29:32,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 23:29:32,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:29:32" (1/1) ... [2022-02-10 23:29:32,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 23:29:32,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 23:29:32,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-10 23:29:32,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-10 23:29:32,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-10 23:29:32,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-10 23:29:32,434 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-10 23:29:32,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-10 23:29:32,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-10 23:29:32,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 23:29:32,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 23:29:32,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-10 23:29:32,435 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-10 23:29:32,435 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-10 23:29:32,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-10 23:29:32,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-10 23:29:32,436 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 23:29:32,589 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 23:29:32,590 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 23:29:32,800 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 23:29:32,805 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 23:29:32,806 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 23:29:32,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 11:29:32 BoogieIcfgContainer [2022-02-10 23:29:32,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 23:29:32,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 23:29:32,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 23:29:32,812 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 23:29:32,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.02 11:29:31" (1/3) ... [2022-02-10 23:29:32,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57afa1b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 11:29:32, skipping insertion in model container [2022-02-10 23:29:32,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.02 11:29:32" (2/3) ... [2022-02-10 23:29:32,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57afa1b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 11:29:32, skipping insertion in model container [2022-02-10 23:29:32,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 11:29:32" (3/3) ... [2022-02-10 23:29:32,814 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_1-join.i [2022-02-10 23:29:32,818 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 23:29:32,818 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 23:29:32,818 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2022-02-10 23:29:32,818 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 23:29:32,855 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,855 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,855 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,855 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,855 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,856 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,856 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,856 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,856 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,856 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,857 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,857 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,857 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,857 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,857 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,857 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,858 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,858 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,858 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,858 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,858 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,859 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,859 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,860 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,860 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,861 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,861 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,861 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,861 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,861 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,862 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,862 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,862 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,862 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,862 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,862 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,862 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,862 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,866 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_ldv_assert_~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,866 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,866 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_ldv_assert_#in~expression#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,866 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,866 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,866 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,866 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,866 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-10 23:29:32,869 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-10 23:29:32,896 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 23:29:32,900 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-10 23:29:32,901 INFO L340 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-02-10 23:29:32,907 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 145 places, 147 transitions, 302 flow [2022-02-10 23:29:32,960 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 698 states, 682 states have (on average 1.8709677419354838) internal successors, (1276), 697 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:29:32,963 INFO L276 IsEmpty]: Start isEmpty. Operand has 698 states, 682 states have (on average 1.8709677419354838) internal successors, (1276), 697 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:29:32,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-02-10 23:29:32,967 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:29:32,967 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:29:32,968 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-10 23:29:32,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:29:32,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1088637969, now seen corresponding path program 1 times [2022-02-10 23:29:32,976 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:29:32,976 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906540230] [2022-02-10 23:29:32,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:29:32,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:29:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:29:33,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:29:33,238 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:29:33,238 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906540230] [2022-02-10 23:29:33,239 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906540230] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:29:33,239 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:29:33,239 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 23:29:33,241 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936786320] [2022-02-10 23:29:33,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:29:33,244 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 23:29:33,244 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:29:33,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 23:29:33,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:29:33,269 INFO L87 Difference]: Start difference. First operand has 698 states, 682 states have (on average 1.8709677419354838) internal successors, (1276), 697 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:29:33,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:29:33,337 INFO L93 Difference]: Finished difference Result 670 states and 1197 transitions. [2022-02-10 23:29:33,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 23:29:33,339 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 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 31 [2022-02-10 23:29:33,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:29:33,352 INFO L225 Difference]: With dead ends: 670 [2022-02-10 23:29:33,353 INFO L226 Difference]: Without dead ends: 600 [2022-02-10 23:29:33,354 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:29:33,358 INFO L934 BasicCegarLoop]: 123 mSDtfsCounter, 1 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:29:33,359 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 222 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:29:33,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2022-02-10 23:29:33,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 600. [2022-02-10 23:29:33,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 600 states, 586 states have (on average 1.8088737201365188) internal successors, (1060), 599 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:29:33,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 1060 transitions. [2022-02-10 23:29:33,420 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 1060 transitions. Word has length 31 [2022-02-10 23:29:33,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:29:33,423 INFO L470 AbstractCegarLoop]: Abstraction has 600 states and 1060 transitions. [2022-02-10 23:29:33,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:29:33,423 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 1060 transitions. [2022-02-10 23:29:33,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-02-10 23:29:33,424 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:29:33,424 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:29:33,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 23:29:33,424 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-10 23:29:33,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:29:33,425 INFO L85 PathProgramCache]: Analyzing trace with hash -315386877, now seen corresponding path program 1 times [2022-02-10 23:29:33,425 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:29:33,425 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168984141] [2022-02-10 23:29:33,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:29:33,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:29:33,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:29:33,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:29:33,504 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:29:33,504 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168984141] [2022-02-10 23:29:33,504 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168984141] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:29:33,505 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:29:33,505 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 23:29:33,505 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350523732] [2022-02-10 23:29:33,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:29:33,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 23:29:33,506 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:29:33,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 23:29:33,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:29:33,506 INFO L87 Difference]: Start difference. First operand 600 states and 1060 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:29:33,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:29:33,544 INFO L93 Difference]: Finished difference Result 572 states and 1008 transitions. [2022-02-10 23:29:33,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 23:29:33,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2022-02-10 23:29:33,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:29:33,546 INFO L225 Difference]: With dead ends: 572 [2022-02-10 23:29:33,546 INFO L226 Difference]: Without dead ends: 551 [2022-02-10 23:29:33,548 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:29:33,550 INFO L934 BasicCegarLoop]: 115 mSDtfsCounter, 72 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:29:33,550 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 172 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:29:33,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2022-02-10 23:29:33,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 551. [2022-02-10 23:29:33,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 543 states have (on average 1.7845303867403315) internal successors, (969), 550 states have internal predecessors, (969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:29:33,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 969 transitions. [2022-02-10 23:29:33,559 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 969 transitions. Word has length 34 [2022-02-10 23:29:33,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:29:33,560 INFO L470 AbstractCegarLoop]: Abstraction has 551 states and 969 transitions. [2022-02-10 23:29:33,560 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:29:33,560 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 969 transitions. [2022-02-10 23:29:33,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-02-10 23:29:33,562 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:29:33,562 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:29:33,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 23:29:33,563 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-10 23:29:33,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:29:33,564 INFO L85 PathProgramCache]: Analyzing trace with hash -32516947, now seen corresponding path program 1 times [2022-02-10 23:29:33,564 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:29:33,564 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70277176] [2022-02-10 23:29:33,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:29:33,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:29:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:29:33,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:29:33,643 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:29:33,643 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70277176] [2022-02-10 23:29:33,644 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70277176] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:29:33,644 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:29:33,644 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 23:29:33,644 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933955256] [2022-02-10 23:29:33,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:29:33,645 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 23:29:33,645 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:29:33,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 23:29:33,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:29:33,646 INFO L87 Difference]: Start difference. First operand 551 states and 969 transitions. Second operand has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:29:33,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:29:33,672 INFO L93 Difference]: Finished difference Result 550 states and 968 transitions. [2022-02-10 23:29:33,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 23:29:33,673 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2022-02-10 23:29:33,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:29:33,674 INFO L225 Difference]: With dead ends: 550 [2022-02-10 23:29:33,674 INFO L226 Difference]: Without dead ends: 550 [2022-02-10 23:29:33,677 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:29:33,678 INFO L934 BasicCegarLoop]: 113 mSDtfsCounter, 1 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:29:33,678 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 209 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:29:33,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2022-02-10 23:29:33,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 550. [2022-02-10 23:29:33,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 543 states have (on average 1.7826887661141806) internal successors, (968), 549 states have internal predecessors, (968), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:29:33,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 968 transitions. [2022-02-10 23:29:33,687 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 968 transitions. Word has length 47 [2022-02-10 23:29:33,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:29:33,687 INFO L470 AbstractCegarLoop]: Abstraction has 550 states and 968 transitions. [2022-02-10 23:29:33,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:29:33,687 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 968 transitions. [2022-02-10 23:29:33,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-02-10 23:29:33,688 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:29:33,688 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:29:33,688 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 23:29:33,688 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-10 23:29:33,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:29:33,689 INFO L85 PathProgramCache]: Analyzing trace with hash -154606687, now seen corresponding path program 1 times [2022-02-10 23:29:33,689 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:29:33,689 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708697782] [2022-02-10 23:29:33,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:29:33,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:29:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:29:33,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:29:33,774 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:29:33,774 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708697782] [2022-02-10 23:29:33,774 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708697782] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:29:33,775 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:29:33,775 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 23:29:33,775 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387490449] [2022-02-10 23:29:33,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:29:33,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 23:29:33,776 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:29:33,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 23:29:33,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:29:33,776 INFO L87 Difference]: Start difference. First operand 550 states and 968 transitions. Second operand has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:29:33,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:29:33,797 INFO L93 Difference]: Finished difference Result 525 states and 919 transitions. [2022-02-10 23:29:33,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 23:29:33,797 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 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 54 [2022-02-10 23:29:33,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:29:33,798 INFO L225 Difference]: With dead ends: 525 [2022-02-10 23:29:33,798 INFO L226 Difference]: Without dead ends: 483 [2022-02-10 23:29:33,799 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:29:33,799 INFO L934 BasicCegarLoop]: 136 mSDtfsCounter, 25 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:29:33,799 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [25 Valid, 233 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:29:33,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2022-02-10 23:29:33,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 483. [2022-02-10 23:29:33,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 483 states, 479 states have (on average 1.755741127348643) internal successors, (841), 482 states have internal predecessors, (841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:29:33,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 841 transitions. [2022-02-10 23:29:33,806 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 841 transitions. Word has length 54 [2022-02-10 23:29:33,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:29:33,807 INFO L470 AbstractCegarLoop]: Abstraction has 483 states and 841 transitions. [2022-02-10 23:29:33,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:29:33,807 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 841 transitions. [2022-02-10 23:29:33,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-02-10 23:29:33,808 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:29:33,808 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:29:33,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-10 23:29:33,808 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-10 23:29:33,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:29:33,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1078138088, now seen corresponding path program 1 times [2022-02-10 23:29:33,809 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:29:33,809 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920607158] [2022-02-10 23:29:33,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:29:33,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:29:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:29:33,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:29:33,958 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:29:33,958 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920607158] [2022-02-10 23:29:33,958 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920607158] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:29:33,959 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:29:33,959 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-10 23:29:33,959 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211155530] [2022-02-10 23:29:33,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:29:33,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-10 23:29:33,960 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:29:33,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-10 23:29:33,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-10 23:29:33,961 INFO L87 Difference]: Start difference. First operand 483 states and 841 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:29:33,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:29:33,983 INFO L93 Difference]: Finished difference Result 461 states and 799 transitions. [2022-02-10 23:29:33,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-10 23:29:33,983 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-02-10 23:29:33,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:29:33,985 INFO L225 Difference]: With dead ends: 461 [2022-02-10 23:29:33,985 INFO L226 Difference]: Without dead ends: 415 [2022-02-10 23:29:33,985 INFO L933 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 [2022-02-10 23:29:33,986 INFO L934 BasicCegarLoop]: 182 mSDtfsCounter, 98 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:29:33,986 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 442 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:29:33,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2022-02-10 23:29:33,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2022-02-10 23:29:33,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 414 states have (on average 1.7801932367149758) internal successors, (737), 414 states have internal predecessors, (737), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:29:33,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 737 transitions. [2022-02-10 23:29:33,993 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 737 transitions. Word has length 64 [2022-02-10 23:29:33,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:29:33,993 INFO L470 AbstractCegarLoop]: Abstraction has 415 states and 737 transitions. [2022-02-10 23:29:33,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:29:33,994 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 737 transitions. [2022-02-10 23:29:33,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-02-10 23:29:33,998 INFO L507 BasicCegarLoop]: Found error trace [2022-02-10 23:29:33,999 INFO L515 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-10 23:29:33,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-10 23:29:33,999 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 8 more)] === [2022-02-10 23:29:33,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 23:29:33,999 INFO L85 PathProgramCache]: Analyzing trace with hash -2104300879, now seen corresponding path program 1 times [2022-02-10 23:29:34,000 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 23:29:34,000 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623704086] [2022-02-10 23:29:34,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 23:29:34,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 23:29:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 23:29:34,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 23:29:34,090 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 23:29:34,091 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623704086] [2022-02-10 23:29:34,091 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623704086] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 23:29:34,091 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 23:29:34,091 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-10 23:29:34,091 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596712046] [2022-02-10 23:29:34,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 23:29:34,092 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 23:29:34,092 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 23:29:34,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 23:29:34,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:29:34,092 INFO L87 Difference]: Start difference. First operand 415 states and 737 transitions. Second operand has 3 states, 2 states have (on average 45.5) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:29:34,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-10 23:29:34,104 INFO L93 Difference]: Finished difference Result 414 states and 736 transitions. [2022-02-10 23:29:34,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 23:29:34,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 45.5) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2022-02-10 23:29:34,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-10 23:29:34,105 INFO L225 Difference]: With dead ends: 414 [2022-02-10 23:29:34,105 INFO L226 Difference]: Without dead ends: 0 [2022-02-10 23:29:34,105 INFO L933 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 23:29:34,107 INFO L934 BasicCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-10 23:29:34,108 INFO L935 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 165 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-10 23:29:34,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-10 23:29:34,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-10 23:29:34,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:29:34,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-10 23:29:34,109 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2022-02-10 23:29:34,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-10 23:29:34,109 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-10 23:29:34,109 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 45.5) internal successors, (91), 3 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-10 23:29:34,109 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-10 23:29:34,109 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-10 23:29:34,111 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining) [2022-02-10 23:29:34,111 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining) [2022-02-10 23:29:34,111 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 12 remaining) [2022-02-10 23:29:34,112 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 12 remaining) [2022-02-10 23:29:34,112 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining) [2022-02-10 23:29:34,112 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining) [2022-02-10 23:29:34,112 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining) [2022-02-10 23:29:34,112 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining) [2022-02-10 23:29:34,112 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining) [2022-02-10 23:29:34,112 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 12 remaining) [2022-02-10 23:29:34,112 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining) [2022-02-10 23:29:34,112 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining) [2022-02-10 23:29:34,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-10 23:29:34,116 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-02-10 23:29:34,118 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-10 23:29:34,118 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-10 23:29:34,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.02 11:29:34 BasicIcfg [2022-02-10 23:29:34,121 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-10 23:29:34,121 INFO L158 Benchmark]: Toolchain (without parser) took 2528.58ms. Allocated memory was 207.6MB in the beginning and 313.5MB in the end (delta: 105.9MB). Free memory was 153.9MB in the beginning and 215.1MB in the end (delta: -61.2MB). Peak memory consumption was 45.3MB. Max. memory is 8.0GB. [2022-02-10 23:29:34,121 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 207.6MB. Free memory was 172.9MB in the beginning and 172.9MB in the end (delta: 71.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-10 23:29:34,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 678.67ms. Allocated memory was 207.6MB in the beginning and 313.5MB in the end (delta: 105.9MB). Free memory was 153.7MB in the beginning and 246.1MB in the end (delta: -92.4MB). Peak memory consumption was 15.1MB. Max. memory is 8.0GB. [2022-02-10 23:29:34,122 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.86ms. Allocated memory is still 313.5MB. Free memory was 246.1MB in the beginning and 242.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-02-10 23:29:34,122 INFO L158 Benchmark]: Boogie Preprocessor took 29.54ms. Allocated memory is still 313.5MB. Free memory was 242.4MB in the beginning and 240.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-10 23:29:34,122 INFO L158 Benchmark]: RCFGBuilder took 441.91ms. Allocated memory is still 313.5MB. Free memory was 240.4MB in the beginning and 222.0MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-02-10 23:29:34,122 INFO L158 Benchmark]: TraceAbstraction took 1310.79ms. Allocated memory is still 313.5MB. Free memory was 221.5MB in the beginning and 215.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.9MB. Max. memory is 8.0GB. [2022-02-10 23:29:34,123 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 207.6MB. Free memory was 172.9MB in the beginning and 172.9MB in the end (delta: 71.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 678.67ms. Allocated memory was 207.6MB in the beginning and 313.5MB in the end (delta: 105.9MB). Free memory was 153.7MB in the beginning and 246.1MB in the end (delta: -92.4MB). Peak memory consumption was 15.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 61.86ms. Allocated memory is still 313.5MB. Free memory was 246.1MB in the beginning and 242.4MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.54ms. Allocated memory is still 313.5MB. Free memory was 242.4MB in the beginning and 240.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 441.91ms. Allocated memory is still 313.5MB. Free memory was 240.4MB in the beginning and 222.0MB in the end (delta: 18.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 1310.79ms. Allocated memory is still 313.5MB. Free memory was 221.5MB in the beginning and 215.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1699]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1706]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1712]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1713]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1721]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1722]: 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, 167 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 197 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 197 mSDsluCounter, 1443 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 695 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 118 IncrementalHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 757 mSDtfsCounter, 118 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=698occurred in iteration=0, InterpolantAutomatonStates: 21, 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, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 321 NumberOfCodeBlocks, 321 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 315 ConstructedInterpolants, 0 QuantifiedInterpolants, 406 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 9 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-10 23:29:34,165 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...