/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/pthread/stateful01-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 20:09:48,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 20:09:48,943 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 20:09:48,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 20:09:48,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 20:09:48,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 20:09:48,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 20:09:48,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 20:09:48,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 20:09:48,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 20:09:48,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 20:09:48,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 20:09:48,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 20:09:49,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 20:09:49,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 20:09:49,003 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 20:09:49,004 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 20:09:49,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 20:09:49,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 20:09:49,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 20:09:49,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 20:09:49,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 20:09:49,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 20:09:49,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 20:09:49,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 20:09:49,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 20:09:49,016 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 20:09:49,017 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 20:09:49,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 20:09:49,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-15 20:09:49,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-15 20:09:49,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-15 20:09:49,018 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-15 20:09:49,019 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-15 20:09:49,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-15 20:09:49,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-15 20:09:49,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-15 20:09:49,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-15 20:09:49,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 20:09:49,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 20:09:49,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 20:09:49,024 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 20:09:49,045 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 20:09:49,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 20:09:49,046 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 20:09:49,046 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 20:09:49,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 20:09:49,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 20:09:49,047 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 20:09:49,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 20:09:49,047 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 20:09:49,047 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 20:09:49,047 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 20:09:49,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 20:09:49,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 20:09:49,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 20:09:49,047 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 20:09:49,047 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 20:09:49,047 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 20:09:49,048 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 20:09:49,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 20:09:49,048 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 20:09:49,048 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 20:09:49,048 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 20:09:49,048 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 20:09:49,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:09:49,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 20:09:49,048 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2022-03-15 20:09:49,048 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 20:09:49,048 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 20:09:49,048 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 20:09:49,049 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2022-03-15 20:09:49,049 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2022-03-15 20:09:49,049 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 20:09:49,049 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-15 20:09:49,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 20:09:49,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 20:09:49,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 20:09:49,230 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 20:09:49,243 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 20:09:49,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stateful01-2.i [2022-03-15 20:09:49,290 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71f18b7e9/405a73e0d16a4ef38e127ecd19c0782d/FLAGc024d2417 [2022-03-15 20:09:49,711 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 20:09:49,712 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-2.i [2022-03-15 20:09:49,729 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71f18b7e9/405a73e0d16a4ef38e127ecd19c0782d/FLAGc024d2417 [2022-03-15 20:09:50,089 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71f18b7e9/405a73e0d16a4ef38e127ecd19c0782d [2022-03-15 20:09:50,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 20:09:50,092 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 20:09:50,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 20:09:50,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 20:09:50,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 20:09:50,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 08:09:50" (1/1) ... [2022-03-15 20:09:50,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f1ba5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:09:50, skipping insertion in model container [2022-03-15 20:09:50,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 08:09:50" (1/1) ... [2022-03-15 20:09:50,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 20:09:50,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 20:09:50,441 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-2.i[30826,30839] [2022-03-15 20:09:50,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 20:09:50,449 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 20:09:50,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-2.i[30826,30839] [2022-03-15 20:09:50,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 20:09:50,506 INFO L208 MainTranslator]: Completed translation [2022-03-15 20:09:50,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:09:50 WrapperNode [2022-03-15 20:09:50,507 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 20:09:50,508 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 20:09:50,508 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 20:09:50,508 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 20:09:50,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:09:50" (1/1) ... [2022-03-15 20:09:50,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:09:50" (1/1) ... [2022-03-15 20:09:50,539 INFO L137 Inliner]: procedures = 168, calls = 34, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 90 [2022-03-15 20:09:50,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 20:09:50,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 20:09:50,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 20:09:50,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 20:09:50,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:09:50" (1/1) ... [2022-03-15 20:09:50,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:09:50" (1/1) ... [2022-03-15 20:09:50,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:09:50" (1/1) ... [2022-03-15 20:09:50,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:09:50" (1/1) ... [2022-03-15 20:09:50,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:09:50" (1/1) ... [2022-03-15 20:09:50,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:09:50" (1/1) ... [2022-03-15 20:09:50,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:09:50" (1/1) ... [2022-03-15 20:09:50,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 20:09:50,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 20:09:50,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 20:09:50,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 20:09:50,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:09:50" (1/1) ... [2022-03-15 20:09:50,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 20:09:50,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 20:09:50,596 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 20:09:50,606 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 20:09:50,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 20:09:50,634 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-15 20:09:50,634 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-15 20:09:50,635 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-15 20:09:50,635 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-15 20:09:50,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 20:09:50,635 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-03-15 20:09:50,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 20:09:50,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 20:09:50,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 20:09:50,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 20:09:50,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 20:09:50,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 20:09:50,639 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 20:09:50,709 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 20:09:50,710 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 20:09:50,907 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 20:09:50,913 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 20:09:50,913 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-15 20:09:50,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:09:50 BoogieIcfgContainer [2022-03-15 20:09:50,914 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 20:09:50,915 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 20:09:50,915 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 20:09:50,925 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 20:09:50,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 08:09:50" (1/3) ... [2022-03-15 20:09:50,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ffddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 08:09:50, skipping insertion in model container [2022-03-15 20:09:50,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 08:09:50" (2/3) ... [2022-03-15 20:09:50,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ffddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 08:09:50, skipping insertion in model container [2022-03-15 20:09:50,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 08:09:50" (3/3) ... [2022-03-15 20:09:50,926 INFO L111 eAbstractionObserver]: Analyzing ICFG stateful01-2.i [2022-03-15 20:09:50,929 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 20:09:50,932 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-03-15 20:09:50,932 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-03-15 20:09:50,932 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 20:09:50,985 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,986 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,986 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,986 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,986 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,986 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,986 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,987 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,987 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,987 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,987 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,987 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,987 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,988 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,988 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,988 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,988 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,988 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,988 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,988 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,989 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,989 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,989 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,989 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,989 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,989 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,989 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,989 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,990 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,990 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,990 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,990 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,990 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,990 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,991 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,991 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,991 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,991 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,991 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,991 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,991 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,991 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,992 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,992 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,992 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,992 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,992 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,992 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,992 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,992 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,993 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,993 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,993 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,993 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,993 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,993 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,994 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,994 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,994 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,994 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,994 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,994 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,994 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,994 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,995 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,995 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,995 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,995 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,995 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,995 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,995 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,996 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,996 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,996 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,996 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,996 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,996 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,996 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,997 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,997 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,997 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,997 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,997 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,997 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,997 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,998 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,998 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,998 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,998 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,998 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,998 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:50,998 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:51,006 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:51,010 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:51,011 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:51,011 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:51,011 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:51,011 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:51,011 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:51,011 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:51,013 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:51,013 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:51,013 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:51,013 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:51,013 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:51,013 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:51,014 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:51,014 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:51,014 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:51,014 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 20:09:51,021 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-15 20:09:51,054 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 20:09:51,059 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 20:09:51,059 INFO L340 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2022-03-15 20:09:51,072 INFO L126 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-03-15 20:09:51,079 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 163 places, 158 transitions, 332 flow [2022-03-15 20:09:51,081 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 163 places, 158 transitions, 332 flow [2022-03-15 20:09:51,082 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 163 places, 158 transitions, 332 flow [2022-03-15 20:09:51,148 INFO L129 PetriNetUnfolder]: 2/156 cut-off events. [2022-03-15 20:09:51,148 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-03-15 20:09:51,151 INFO L84 FinitePrefix]: Finished finitePrefix Result has 165 conditions, 156 events. 2/156 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 148 event pairs, 0 based on Foata normal form. 0/140 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2022-03-15 20:09:51,155 INFO L116 LiptonReduction]: Number of co-enabled transitions 3576 [2022-03-15 20:09:54,319 INFO L131 LiptonReduction]: Checked pairs total: 16902 [2022-03-15 20:09:54,320 INFO L133 LiptonReduction]: Total number of compositions: 128 [2022-03-15 20:09:54,325 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 62 places, 55 transitions, 126 flow [2022-03-15 20:09:54,394 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1303 states, 1245 states have (on average 2.628112449799197) internal successors, (3272), 1302 states have internal predecessors, (3272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:09:54,397 INFO L276 IsEmpty]: Start isEmpty. Operand has 1303 states, 1245 states have (on average 2.628112449799197) internal successors, (3272), 1302 states have internal predecessors, (3272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:09:54,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-03-15 20:09:54,400 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:09:54,400 INFO L514 BasicCegarLoop]: trace histogram [1] [2022-03-15 20:09:54,401 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-03-15 20:09:54,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:09:54,404 INFO L85 PathProgramCache]: Analyzing trace with hash 541, now seen corresponding path program 1 times [2022-03-15 20:09:54,415 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:09:54,415 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916277434] [2022-03-15 20:09:54,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:09:54,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:09:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:09:54,479 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 20:09:54,480 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:09:54,480 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916277434] [2022-03-15 20:09:54,480 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916277434] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:09:54,480 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:09:54,481 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-03-15 20:09:54,481 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2082699228] [2022-03-15 20:09:54,482 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:09:54,483 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:09:54,486 INFO L252 McrAutomatonBuilder]: Finished intersection with 2 states and 1 transitions. [2022-03-15 20:09:54,487 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:09:54,488 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:09:54,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-15 20:09:54,489 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:09:54,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-15 20:09:54,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-15 20:09:54,504 INFO L87 Difference]: Start difference. First operand has 1303 states, 1245 states have (on average 2.628112449799197) internal successors, (3272), 1302 states have internal predecessors, (3272), 0 states have call successors, (0), 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 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:09:54,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:09:54,545 INFO L93 Difference]: Finished difference Result 881 states and 2074 transitions. [2022-03-15 20:09:54,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-15 20:09:54,547 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 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 1 [2022-03-15 20:09:54,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:09:54,559 INFO L225 Difference]: With dead ends: 881 [2022-03-15 20:09:54,559 INFO L226 Difference]: Without dead ends: 868 [2022-03-15 20:09:54,559 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-15 20:09:54,561 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:09:54,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:09:54,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2022-03-15 20:09:54,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 868. [2022-03-15 20:09:54,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 844 states have (on average 2.4229857819905214) internal successors, (2045), 867 states have internal predecessors, (2045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:09:54,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 2045 transitions. [2022-03-15 20:09:54,614 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 2045 transitions. Word has length 1 [2022-03-15 20:09:54,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:09:54,614 INFO L470 AbstractCegarLoop]: Abstraction has 868 states and 2045 transitions. [2022-03-15 20:09:54,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:09:54,614 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 2045 transitions. [2022-03-15 20:09:54,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-03-15 20:09:54,614 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:09:54,614 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-03-15 20:09:54,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 20:09:54,615 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-03-15 20:09:54,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:09:54,615 INFO L85 PathProgramCache]: Analyzing trace with hash 515161892, now seen corresponding path program 1 times [2022-03-15 20:09:54,616 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:09:54,616 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117696976] [2022-03-15 20:09:54,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:09:54,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:09:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:09:54,674 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 20:09:54,674 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:09:54,674 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117696976] [2022-03-15 20:09:54,674 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117696976] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:09:54,675 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:09:54,675 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 20:09:54,675 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [730183062] [2022-03-15 20:09:54,675 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:09:54,675 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:09:54,676 INFO L252 McrAutomatonBuilder]: Finished intersection with 6 states and 5 transitions. [2022-03-15 20:09:54,676 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:09:54,676 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:09:54,676 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 20:09:54,677 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:09:54,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 20:09:54,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:09:54,677 INFO L87 Difference]: Start difference. First operand 868 states and 2045 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:09:54,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:09:54,733 INFO L93 Difference]: Finished difference Result 1036 states and 2449 transitions. [2022-03-15 20:09:54,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:09:54,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 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 5 [2022-03-15 20:09:54,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:09:54,742 INFO L225 Difference]: With dead ends: 1036 [2022-03-15 20:09:54,743 INFO L226 Difference]: Without dead ends: 1036 [2022-03-15 20:09:54,743 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:09:54,744 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 37 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:09:54,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 48 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:09:54,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2022-03-15 20:09:54,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 898. [2022-03-15 20:09:54,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 898 states, 875 states have (on average 2.418285714285714) internal successors, (2116), 897 states have internal predecessors, (2116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:09:54,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 2116 transitions. [2022-03-15 20:09:54,765 INFO L78 Accepts]: Start accepts. Automaton has 898 states and 2116 transitions. Word has length 5 [2022-03-15 20:09:54,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:09:54,766 INFO L470 AbstractCegarLoop]: Abstraction has 898 states and 2116 transitions. [2022-03-15 20:09:54,766 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:09:54,766 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 2116 transitions. [2022-03-15 20:09:54,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-03-15 20:09:54,766 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:09:54,766 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:09:54,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 20:09:54,767 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-03-15 20:09:54,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:09:54,767 INFO L85 PathProgramCache]: Analyzing trace with hash 719404680, now seen corresponding path program 1 times [2022-03-15 20:09:54,768 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:09:54,768 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474175326] [2022-03-15 20:09:54,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:09:54,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:09:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:09:54,804 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 20:09:54,804 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:09:54,804 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474175326] [2022-03-15 20:09:54,804 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474175326] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:09:54,804 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:09:54,804 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 20:09:54,805 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [500813886] [2022-03-15 20:09:54,805 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:09:54,805 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:09:54,806 INFO L252 McrAutomatonBuilder]: Finished intersection with 10 states and 9 transitions. [2022-03-15 20:09:54,806 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:09:54,806 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:09:54,806 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 20:09:54,806 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:09:54,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 20:09:54,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:09:54,807 INFO L87 Difference]: Start difference. First operand 898 states and 2116 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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 20:09:54,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:09:54,850 INFO L93 Difference]: Finished difference Result 950 states and 2243 transitions. [2022-03-15 20:09:54,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:09:54,851 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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 20:09:54,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:09:54,854 INFO L225 Difference]: With dead ends: 950 [2022-03-15 20:09:54,854 INFO L226 Difference]: Without dead ends: 950 [2022-03-15 20:09:54,854 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:09:54,855 INFO L933 BasicCegarLoop]: 27 mSDtfsCounter, 20 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:09:54,856 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 42 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:09:54,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2022-03-15 20:09:54,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 918. [2022-03-15 20:09:54,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 918 states, 896 states have (on average 2.416294642857143) internal successors, (2165), 917 states have internal predecessors, (2165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:09:54,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 2165 transitions. [2022-03-15 20:09:54,872 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 2165 transitions. Word has length 9 [2022-03-15 20:09:54,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:09:54,872 INFO L470 AbstractCegarLoop]: Abstraction has 918 states and 2165 transitions. [2022-03-15 20:09:54,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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 20:09:54,872 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 2165 transitions. [2022-03-15 20:09:54,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-03-15 20:09:54,873 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:09:54,873 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:09:54,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 20:09:54,873 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-03-15 20:09:54,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:09:54,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1166482219, now seen corresponding path program 1 times [2022-03-15 20:09:54,874 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:09:54,874 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093199762] [2022-03-15 20:09:54,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:09:54,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:09:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:09:54,905 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 20:09:54,905 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:09:54,905 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093199762] [2022-03-15 20:09:54,905 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093199762] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:09:54,905 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:09:54,905 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 20:09:54,905 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1491800871] [2022-03-15 20:09:54,905 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:09:54,906 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:09:54,907 INFO L252 McrAutomatonBuilder]: Finished intersection with 11 states and 10 transitions. [2022-03-15 20:09:54,907 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:09:54,907 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:09:54,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 20:09:54,907 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:09:54,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 20:09:54,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:09:54,908 INFO L87 Difference]: Start difference. First operand 918 states and 2165 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:09:54,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:09:54,949 INFO L93 Difference]: Finished difference Result 974 states and 2299 transitions. [2022-03-15 20:09:54,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:09:54,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-03-15 20:09:54,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:09:54,953 INFO L225 Difference]: With dead ends: 974 [2022-03-15 20:09:54,953 INFO L226 Difference]: Without dead ends: 974 [2022-03-15 20:09:54,953 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:09:54,954 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 22 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:09:54,954 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 45 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:09:54,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 974 states. [2022-03-15 20:09:54,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 974 to 938. [2022-03-15 20:09:54,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 938 states, 918 states have (on average 2.4095860566448803) internal successors, (2212), 937 states have internal predecessors, (2212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:09:54,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 2212 transitions. [2022-03-15 20:09:54,971 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 2212 transitions. Word has length 10 [2022-03-15 20:09:54,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:09:54,971 INFO L470 AbstractCegarLoop]: Abstraction has 938 states and 2212 transitions. [2022-03-15 20:09:54,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:09:54,971 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 2212 transitions. [2022-03-15 20:09:54,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-03-15 20:09:54,972 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:09:54,972 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:09:54,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 20:09:54,972 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-03-15 20:09:54,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:09:54,973 INFO L85 PathProgramCache]: Analyzing trace with hash -574033995, now seen corresponding path program 1 times [2022-03-15 20:09:54,973 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:09:54,973 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353274031] [2022-03-15 20:09:54,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:09:54,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:09:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:09:55,006 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 20:09:55,007 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:09:55,007 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353274031] [2022-03-15 20:09:55,007 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353274031] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:09:55,007 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:09:55,007 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-15 20:09:55,007 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1155801829] [2022-03-15 20:09:55,007 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:09:55,008 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:09:55,010 INFO L252 McrAutomatonBuilder]: Finished intersection with 22 states and 28 transitions. [2022-03-15 20:09:55,010 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:09:55,050 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:09:55,050 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 20:09:55,051 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:09:55,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 20:09:55,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:09:55,051 INFO L87 Difference]: Start difference. First operand 938 states and 2212 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:09:55,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:09:55,079 INFO L93 Difference]: Finished difference Result 262 states and 426 transitions. [2022-03-15 20:09:55,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:09:55,079 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 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 20:09:55,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:09:55,080 INFO L225 Difference]: With dead ends: 262 [2022-03-15 20:09:55,080 INFO L226 Difference]: Without dead ends: 262 [2022-03-15 20:09:55,080 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:09:55,081 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 28 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:09:55,081 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 19 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:09:55,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2022-03-15 20:09:55,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 262. [2022-03-15 20:09:55,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 250 states have (on average 1.704) internal successors, (426), 261 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:09:55,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 426 transitions. [2022-03-15 20:09:55,085 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 426 transitions. Word has length 12 [2022-03-15 20:09:55,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:09:55,086 INFO L470 AbstractCegarLoop]: Abstraction has 262 states and 426 transitions. [2022-03-15 20:09:55,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:09:55,086 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 426 transitions. [2022-03-15 20:09:55,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-03-15 20:09:55,086 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:09:55,086 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:09:55,087 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-15 20:09:55,087 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-03-15 20:09:55,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:09:55,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1148422873, now seen corresponding path program 1 times [2022-03-15 20:09:55,088 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:09:55,088 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966297301] [2022-03-15 20:09:55,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:09:55,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:09:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:09:55,117 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 20:09:55,117 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:09:55,117 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966297301] [2022-03-15 20:09:55,117 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966297301] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:09:55,117 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:09:55,117 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 20:09:55,118 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [394606359] [2022-03-15 20:09:55,118 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:09:55,118 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:09:55,119 INFO L252 McrAutomatonBuilder]: Finished intersection with 14 states and 13 transitions. [2022-03-15 20:09:55,119 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:09:55,119 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:09:55,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 20:09:55,120 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:09:55,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 20:09:55,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:09:55,120 INFO L87 Difference]: Start difference. First operand 262 states and 426 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:09:55,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:09:55,151 INFO L93 Difference]: Finished difference Result 246 states and 400 transitions. [2022-03-15 20:09:55,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:09:55,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-03-15 20:09:55,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:09:55,152 INFO L225 Difference]: With dead ends: 246 [2022-03-15 20:09:55,153 INFO L226 Difference]: Without dead ends: 246 [2022-03-15 20:09:55,153 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:09:55,153 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 10 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:09:55,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 23 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:09:55,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2022-03-15 20:09:55,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2022-03-15 20:09:55,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 240 states have (on average 1.6666666666666667) internal successors, (400), 245 states have internal predecessors, (400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:09:55,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 400 transitions. [2022-03-15 20:09:55,157 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 400 transitions. Word has length 13 [2022-03-15 20:09:55,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:09:55,158 INFO L470 AbstractCegarLoop]: Abstraction has 246 states and 400 transitions. [2022-03-15 20:09:55,158 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:09:55,158 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 400 transitions. [2022-03-15 20:09:55,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-03-15 20:09:55,158 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:09:55,159 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:09:55,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-15 20:09:55,159 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-03-15 20:09:55,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:09:55,159 INFO L85 PathProgramCache]: Analyzing trace with hash 2017442094, now seen corresponding path program 1 times [2022-03-15 20:09:55,160 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:09:55,160 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334850885] [2022-03-15 20:09:55,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:09:55,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:09:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:09:55,180 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 20:09:55,181 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:09:55,181 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334850885] [2022-03-15 20:09:55,181 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334850885] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:09:55,181 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:09:55,181 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 20:09:55,181 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [26280919] [2022-03-15 20:09:55,181 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:09:55,182 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:09:55,183 INFO L252 McrAutomatonBuilder]: Finished intersection with 18 states and 17 transitions. [2022-03-15 20:09:55,183 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:09:55,183 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:09:55,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 20:09:55,183 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:09:55,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 20:09:55,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:09:55,184 INFO L87 Difference]: Start difference. First operand 246 states and 400 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:09:55,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:09:55,213 INFO L93 Difference]: Finished difference Result 238 states and 387 transitions. [2022-03-15 20:09:55,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:09:55,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-03-15 20:09:55,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:09:55,214 INFO L225 Difference]: With dead ends: 238 [2022-03-15 20:09:55,214 INFO L226 Difference]: Without dead ends: 204 [2022-03-15 20:09:55,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:09:55,215 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 4 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:09:55,215 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 25 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:09:55,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2022-03-15 20:09:55,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2022-03-15 20:09:55,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 201 states have (on average 1.6616915422885572) internal successors, (334), 203 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:09:55,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 334 transitions. [2022-03-15 20:09:55,218 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 334 transitions. Word has length 17 [2022-03-15 20:09:55,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:09:55,219 INFO L470 AbstractCegarLoop]: Abstraction has 204 states and 334 transitions. [2022-03-15 20:09:55,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:09:55,219 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 334 transitions. [2022-03-15 20:09:55,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-03-15 20:09:55,219 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 20:09:55,255 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:09:55,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-15 20:09:55,256 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting thread2Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 20 more)] === [2022-03-15 20:09:55,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 20:09:55,256 INFO L85 PathProgramCache]: Analyzing trace with hash 787148356, now seen corresponding path program 1 times [2022-03-15 20:09:55,257 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 20:09:55,257 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075907519] [2022-03-15 20:09:55,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 20:09:55,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 20:09:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 20:09:55,277 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 20:09:55,277 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 20:09:55,277 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075907519] [2022-03-15 20:09:55,278 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075907519] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 20:09:55,278 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 20:09:55,278 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 20:09:55,278 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1387860548] [2022-03-15 20:09:55,278 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2022-03-15 20:09:55,279 INFO L249 McrAutomatonBuilder]: Started intersection. [2022-03-15 20:09:55,280 INFO L252 McrAutomatonBuilder]: Finished intersection with 18 states and 17 transitions. [2022-03-15 20:09:55,280 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2022-03-15 20:09:55,280 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2022-03-15 20:09:55,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 20:09:55,280 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 20:09:55,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 20:09:55,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:09:55,281 INFO L87 Difference]: Start difference. First operand 204 states and 334 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:09:55,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 20:09:55,306 INFO L93 Difference]: Finished difference Result 196 states and 321 transitions. [2022-03-15 20:09:55,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 20:09:55,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-03-15 20:09:55,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 20:09:55,307 INFO L225 Difference]: With dead ends: 196 [2022-03-15 20:09:55,307 INFO L226 Difference]: Without dead ends: 0 [2022-03-15 20:09:55,307 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 20:09:55,308 INFO L933 BasicCegarLoop]: 15 mSDtfsCounter, 3 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 20:09:55,308 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 25 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 20:09:55,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-15 20:09:55,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-15 20:09:55,308 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 20:09:55,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-15 20:09:55,308 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2022-03-15 20:09:55,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 20:09:55,309 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-15 20:09:55,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 20:09:55,309 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-15 20:09:55,309 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-15 20:09:55,311 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (23 of 24 remaining) [2022-03-15 20:09:55,311 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (22 of 24 remaining) [2022-03-15 20:09:55,311 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (21 of 24 remaining) [2022-03-15 20:09:55,311 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (20 of 24 remaining) [2022-03-15 20:09:55,311 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (19 of 24 remaining) [2022-03-15 20:09:55,311 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (18 of 24 remaining) [2022-03-15 20:09:55,311 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (17 of 24 remaining) [2022-03-15 20:09:55,312 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (16 of 24 remaining) [2022-03-15 20:09:55,312 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (15 of 24 remaining) [2022-03-15 20:09:55,312 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (14 of 24 remaining) [2022-03-15 20:09:55,312 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (13 of 24 remaining) [2022-03-15 20:09:55,312 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (12 of 24 remaining) [2022-03-15 20:09:55,312 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (11 of 24 remaining) [2022-03-15 20:09:55,312 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (10 of 24 remaining) [2022-03-15 20:09:55,312 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (9 of 24 remaining) [2022-03-15 20:09:55,312 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (8 of 24 remaining) [2022-03-15 20:09:55,312 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (7 of 24 remaining) [2022-03-15 20:09:55,312 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (6 of 24 remaining) [2022-03-15 20:09:55,312 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (5 of 24 remaining) [2022-03-15 20:09:55,313 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (4 of 24 remaining) [2022-03-15 20:09:55,313 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (3 of 24 remaining) [2022-03-15 20:09:55,313 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (2 of 24 remaining) [2022-03-15 20:09:55,313 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (1 of 24 remaining) [2022-03-15 20:09:55,313 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (0 of 24 remaining) [2022-03-15 20:09:55,313 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-15 20:09:55,314 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 20:09:55,317 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 20:09:55,317 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 20:09:55,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 08:09:55 BasicIcfg [2022-03-15 20:09:55,319 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 20:09:55,319 INFO L158 Benchmark]: Toolchain (without parser) took 5226.43ms. Allocated memory was 219.2MB in the beginning and 263.2MB in the end (delta: 44.0MB). Free memory was 165.0MB in the beginning and 219.0MB in the end (delta: -54.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 20:09:55,319 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 219.2MB. Free memory is still 182.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 20:09:55,319 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.92ms. Allocated memory was 219.2MB in the beginning and 263.2MB in the end (delta: 44.0MB). Free memory was 164.8MB in the beginning and 228.3MB in the end (delta: -63.5MB). Peak memory consumption was 9.2MB. Max. memory is 8.0GB. [2022-03-15 20:09:55,319 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.25ms. Allocated memory is still 263.2MB. Free memory was 227.8MB in the beginning and 225.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 20:09:55,320 INFO L158 Benchmark]: Boogie Preprocessor took 25.00ms. Allocated memory is still 263.2MB. Free memory was 225.7MB in the beginning and 224.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 20:09:55,320 INFO L158 Benchmark]: RCFGBuilder took 347.32ms. Allocated memory is still 263.2MB. Free memory was 224.1MB in the beginning and 207.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-03-15 20:09:55,320 INFO L158 Benchmark]: TraceAbstraction took 4403.18ms. Allocated memory is still 263.2MB. Free memory was 207.3MB in the beginning and 219.0MB in the end (delta: -11.7MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 20:09:55,321 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 219.2MB. Free memory is still 182.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 412.92ms. Allocated memory was 219.2MB in the beginning and 263.2MB in the end (delta: 44.0MB). Free memory was 164.8MB in the beginning and 228.3MB in the end (delta: -63.5MB). Peak memory consumption was 9.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.25ms. Allocated memory is still 263.2MB. Free memory was 227.8MB in the beginning and 225.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.00ms. Allocated memory is still 263.2MB. Free memory was 225.7MB in the beginning and 224.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 347.32ms. Allocated memory is still 263.2MB. Free memory was 224.1MB in the beginning and 207.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 4403.18ms. Allocated memory is still 263.2MB. Free memory was 207.3MB in the beginning and 219.0MB in the end (delta: -11.7MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.2s, 163 PlacesBefore, 62 PlacesAfterwards, 158 TransitionsBefore, 55 TransitionsAfterwards, 3576 CoEnabledTransitionPairs, 7 FixpointIterations, 80 TrivialSequentialCompositions, 42 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 128 TotalNumberOfCompositions, 16902 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 6638, positive: 6094, positive conditional: 0, positive unconditional: 6094, negative: 544, negative conditional: 0, negative unconditional: 544, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1826, positive: 1773, positive conditional: 0, positive unconditional: 1773, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6638, positive: 4321, positive conditional: 0, positive unconditional: 4321, negative: 491, negative conditional: 0, negative unconditional: 491, unknown: 1826, unknown conditional: 0, unknown unconditional: 1826] , Statistics on independence cache: Total cache size (in pairs): 370, Positive cache size: 337, Positive conditional cache size: 0, Positive unconditional cache size: 337, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33 - 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: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 697]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 700]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 707]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 710]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 719]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 720]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 723]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 724]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 725]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 725]: 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 5 procedures, 219 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.3s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 124 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 124 mSDsluCounter, 250 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 174 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 420 IncrementalHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 177 mSDtfsCounter, 420 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1303occurred in iteration=0, InterpolantAutomatonStates: 23, 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, 206 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 112 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 14 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-03-15 20:09:55,346 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...