/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/pthread-atomic/dekker-b.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-15 15:01:30,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-15 15:01:30,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-15 15:01:30,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-15 15:01:30,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-15 15:01:30,753 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-15 15:01:30,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-15 15:01:30,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-15 15:01:30,759 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-15 15:01:30,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-15 15:01:30,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-15 15:01:30,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-15 15:01:30,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-15 15:01:30,762 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-15 15:01:30,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-15 15:01:30,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-15 15:01:30,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-15 15:01:30,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-15 15:01:30,765 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-15 15:01:30,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-15 15:01:30,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-15 15:01:30,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-15 15:01:30,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-15 15:01:30,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-15 15:01:30,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-15 15:01:30,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-15 15:01:30,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-15 15:01:30,772 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-15 15:01:30,772 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-15 15:01:30,773 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-15 15:01:30,773 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-15 15:01:30,773 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-15 15:01:30,774 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-15 15:01:30,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-15 15:01:30,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-15 15:01:30,775 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-15 15:01:30,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-15 15:01:30,776 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-15 15:01:30,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-15 15:01:30,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-15 15:01:30,777 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-15 15:01:30,778 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-15 15:01:30,791 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-15 15:01:30,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-15 15:01:30,792 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-15 15:01:30,792 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-15 15:01:30,793 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-15 15:01:30,793 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-15 15:01:30,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-15 15:01:30,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-15 15:01:30,793 INFO L138 SettingsManager]: * Use SBE=true [2022-03-15 15:01:30,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-15 15:01:30,794 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-15 15:01:30,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-15 15:01:30,794 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-15 15:01:30,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-15 15:01:30,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-15 15:01:30,794 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-15 15:01:30,794 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-15 15:01:30,794 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-15 15:01:30,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-15 15:01:30,794 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-15 15:01:30,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-15 15:01:30,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-15 15:01:30,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-15 15:01:30,795 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-15 15:01:30,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-15 15:01:30,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 15:01:30,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-15 15:01:30,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-15 15:01:30,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-15 15:01:30,795 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-15 15:01:30,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-15 15:01:30,795 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-15 15:01:30,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-15 15:01:30,796 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-03-15 15:01:30,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-15 15:01:30,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-15 15:01:30,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-15 15:01:30,992 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-15 15:01:30,995 INFO L275 PluginConnector]: CDTParser initialized [2022-03-15 15:01:30,996 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/dekker-b.i [2022-03-15 15:01:31,056 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be5d4f592/b5c97f1f28da4f83858c2980be65aa7f/FLAG8a4f73958 [2022-03-15 15:01:31,467 INFO L306 CDTParser]: Found 1 translation units. [2022-03-15 15:01:31,468 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/dekker-b.i [2022-03-15 15:01:31,483 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be5d4f592/b5c97f1f28da4f83858c2980be65aa7f/FLAG8a4f73958 [2022-03-15 15:01:31,491 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be5d4f592/b5c97f1f28da4f83858c2980be65aa7f [2022-03-15 15:01:31,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-15 15:01:31,494 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-15 15:01:31,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-15 15:01:31,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-15 15:01:31,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-15 15:01:31,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 03:01:31" (1/1) ... [2022-03-15 15:01:31,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ad9ac0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:01:31, skipping insertion in model container [2022-03-15 15:01:31,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 03:01:31" (1/1) ... [2022-03-15 15:01:31,506 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-15 15:01:31,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-15 15:01:31,779 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-atomic/dekker-b.i[30165,30178] [2022-03-15 15:01:31,784 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-atomic/dekker-b.i[30411,30424] [2022-03-15 15:01:31,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 15:01:31,795 INFO L203 MainTranslator]: Completed pre-run [2022-03-15 15:01:31,819 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-atomic/dekker-b.i[30165,30178] [2022-03-15 15:01:31,821 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-atomic/dekker-b.i[30411,30424] [2022-03-15 15:01:31,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-15 15:01:31,847 INFO L208 MainTranslator]: Completed translation [2022-03-15 15:01:31,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:01:31 WrapperNode [2022-03-15 15:01:31,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-15 15:01:31,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-15 15:01:31,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-15 15:01:31,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-15 15:01:31,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:01:31" (1/1) ... [2022-03-15 15:01:31,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:01:31" (1/1) ... [2022-03-15 15:01:31,897 INFO L137 Inliner]: procedures = 168, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2022-03-15 15:01:31,897 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-15 15:01:31,898 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-15 15:01:31,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-15 15:01:31,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-15 15:01:31,904 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:01:31" (1/1) ... [2022-03-15 15:01:31,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:01:31" (1/1) ... [2022-03-15 15:01:31,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:01:31" (1/1) ... [2022-03-15 15:01:31,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:01:31" (1/1) ... [2022-03-15 15:01:31,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:01:31" (1/1) ... [2022-03-15 15:01:31,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:01:31" (1/1) ... [2022-03-15 15:01:31,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:01:31" (1/1) ... [2022-03-15 15:01:31,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-15 15:01:31,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-15 15:01:31,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-15 15:01:31,922 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-15 15:01:31,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:01:31" (1/1) ... [2022-03-15 15:01:31,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-15 15:01:31,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-15 15:01:31,964 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 15:01:31,972 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 15:01:32,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-15 15:01:32,014 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2022-03-15 15:01:32,014 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2022-03-15 15:01:32,014 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-03-15 15:01:32,014 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-03-15 15:01:32,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-15 15:01:32,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-15 15:01:32,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-15 15:01:32,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-15 15:01:32,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-15 15:01:32,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-15 15:01:32,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-15 15:01:32,018 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 15:01:32,151 INFO L234 CfgBuilder]: Building ICFG [2022-03-15 15:01:32,152 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-15 15:01:32,446 INFO L275 CfgBuilder]: Performing block encoding [2022-03-15 15:01:32,451 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-15 15:01:32,452 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-03-15 15:01:32,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 03:01:32 BoogieIcfgContainer [2022-03-15 15:01:32,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-15 15:01:32,454 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-15 15:01:32,454 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-15 15:01:32,459 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-15 15:01:32,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 03:01:31" (1/3) ... [2022-03-15 15:01:32,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7306a61e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 03:01:32, skipping insertion in model container [2022-03-15 15:01:32,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 03:01:31" (2/3) ... [2022-03-15 15:01:32,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7306a61e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 03:01:32, skipping insertion in model container [2022-03-15 15:01:32,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 03:01:32" (3/3) ... [2022-03-15 15:01:32,461 INFO L111 eAbstractionObserver]: Analyzing ICFG dekker-b.i [2022-03-15 15:01:32,465 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-15 15:01:32,465 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-15 15:01:32,465 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2022-03-15 15:01:32,465 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-15 15:01:32,522 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,523 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,523 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,523 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,523 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,523 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,523 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,523 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,523 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,524 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,524 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,524 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,524 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,524 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,524 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,524 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,524 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,524 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,525 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,525 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,525 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,525 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,525 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,525 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,525 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,525 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,526 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,526 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,526 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,526 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,526 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,526 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,527 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,527 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,527 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,527 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,527 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,527 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,527 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,527 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,527 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,527 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,528 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,528 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,532 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,532 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,533 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,533 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,533 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,533 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,533 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,533 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,533 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,533 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,533 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,534 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,534 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,534 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,534 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,534 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,534 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,534 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,534 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,534 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,534 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,534 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,535 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,535 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,535 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,535 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,535 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,535 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,536 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,536 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,536 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,536 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,536 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,536 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,536 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,536 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,537 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,537 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,537 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,537 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,537 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,537 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,537 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,537 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,537 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,537 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,538 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,538 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,538 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,538 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,538 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,538 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,538 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,539 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,539 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,539 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,539 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,539 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,539 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,539 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,540 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,540 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,540 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,540 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,540 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,540 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,540 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,540 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,540 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,541 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,541 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,541 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,541 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,541 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,541 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,541 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,541 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,541 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,542 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,542 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,542 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,542 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,542 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,542 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,542 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,542 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,542 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,542 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,543 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,543 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,543 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,543 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,543 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,543 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,543 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,543 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,543 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,543 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,544 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,544 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,549 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,549 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,550 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,550 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,550 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,550 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,550 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,550 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,550 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,550 WARN L322 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,552 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,553 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,553 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,553 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,553 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,553 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,553 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,553 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,553 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,553 WARN L322 ript$VariableManager]: TermVariabe thr2Thread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-15 15:01:32,559 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-03-15 15:01:32,590 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-15 15:01:32,595 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-15 15:01:32,596 INFO L340 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2022-03-15 15:01:32,605 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 196 places, 203 transitions, 422 flow [2022-03-15 15:01:33,559 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 34545 states, 34291 states have (on average 3.0679770202093843) internal successors, (105204), 34544 states have internal predecessors, (105204), 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 15:01:33,620 INFO L276 IsEmpty]: Start isEmpty. Operand has 34545 states, 34291 states have (on average 3.0679770202093843) internal successors, (105204), 34544 states have internal predecessors, (105204), 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 15:01:33,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-03-15 15:01:33,625 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:01:33,625 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:01:33,626 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err6ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2022-03-15 15:01:33,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:01:33,633 INFO L85 PathProgramCache]: Analyzing trace with hash -468392683, now seen corresponding path program 1 times [2022-03-15 15:01:33,639 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:01:33,640 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423473361] [2022-03-15 15:01:33,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:01:33,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:01:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:01:33,862 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 15:01:33,863 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:01:33,863 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423473361] [2022-03-15 15:01:33,863 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423473361] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:01:33,863 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:01:33,864 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 15:01:33,865 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645290897] [2022-03-15 15:01:33,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:01:33,868 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:01:33,868 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:01:33,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:01:33,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:01:33,939 INFO L87 Difference]: Start difference. First operand has 34545 states, 34291 states have (on average 3.0679770202093843) internal successors, (105204), 34544 states have internal predecessors, (105204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:01:34,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:01:34,517 INFO L93 Difference]: Finished difference Result 40570 states and 118754 transitions. [2022-03-15 15:01:34,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:01:34,520 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-03-15 15:01:34,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:01:34,808 INFO L225 Difference]: With dead ends: 40570 [2022-03-15 15:01:34,808 INFO L226 Difference]: Without dead ends: 40558 [2022-03-15 15:01:34,809 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 15:01:34,813 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 150 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:01:34,815 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 337 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:01:34,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40558 states. [2022-03-15 15:01:35,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40558 to 32097. [2022-03-15 15:01:35,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32097 states, 31865 states have (on average 2.9622783618390085) internal successors, (94393), 32096 states have internal predecessors, (94393), 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 15:01:36,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32097 states to 32097 states and 94393 transitions. [2022-03-15 15:01:36,227 INFO L78 Accepts]: Start accepts. Automaton has 32097 states and 94393 transitions. Word has length 20 [2022-03-15 15:01:36,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:01:36,228 INFO L470 AbstractCegarLoop]: Abstraction has 32097 states and 94393 transitions. [2022-03-15 15:01:36,228 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:01:36,228 INFO L276 IsEmpty]: Start isEmpty. Operand 32097 states and 94393 transitions. [2022-03-15 15:01:36,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-03-15 15:01:36,230 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:01:36,232 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:01:36,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-15 15:01:36,232 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err6ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2022-03-15 15:01:36,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:01:36,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1905730905, now seen corresponding path program 1 times [2022-03-15 15:01:36,239 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:01:36,239 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071206243] [2022-03-15 15:01:36,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:01:36,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:01:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:01:36,305 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 15:01:36,305 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:01:36,306 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071206243] [2022-03-15 15:01:36,306 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071206243] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:01:36,306 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:01:36,306 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-15 15:01:36,306 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015375727] [2022-03-15 15:01:36,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:01:36,307 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-15 15:01:36,307 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:01:36,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-15 15:01:36,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-15 15:01:36,308 INFO L87 Difference]: Start difference. First operand 32097 states and 94393 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:01:36,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:01:36,604 INFO L93 Difference]: Finished difference Result 27193 states and 78319 transitions. [2022-03-15 15:01:36,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-15 15:01:36,615 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-03-15 15:01:36,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:01:36,719 INFO L225 Difference]: With dead ends: 27193 [2022-03-15 15:01:36,719 INFO L226 Difference]: Without dead ends: 27189 [2022-03-15 15:01:36,719 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-15 15:01:36,720 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 120 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:01:36,720 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 489 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:01:36,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27189 states. [2022-03-15 15:01:37,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27189 to 25253. [2022-03-15 15:01:37,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25253 states, 25059 states have (on average 2.91679636058901) internal successors, (73092), 25252 states have internal predecessors, (73092), 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 15:01:37,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25253 states to 25253 states and 73092 transitions. [2022-03-15 15:01:37,545 INFO L78 Accepts]: Start accepts. Automaton has 25253 states and 73092 transitions. Word has length 38 [2022-03-15 15:01:37,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:01:37,545 INFO L470 AbstractCegarLoop]: Abstraction has 25253 states and 73092 transitions. [2022-03-15 15:01:37,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:01:37,546 INFO L276 IsEmpty]: Start isEmpty. Operand 25253 states and 73092 transitions. [2022-03-15 15:01:37,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-03-15 15:01:37,546 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:01:37,546 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:01:37,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-15 15:01:37,547 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err6ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2022-03-15 15:01:37,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:01:37,547 INFO L85 PathProgramCache]: Analyzing trace with hash 719811529, now seen corresponding path program 1 times [2022-03-15 15:01:37,547 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:01:37,547 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927305585] [2022-03-15 15:01:37,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:01:37,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:01:37,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:01:37,580 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 15:01:37,581 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:01:37,581 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927305585] [2022-03-15 15:01:37,581 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927305585] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:01:37,581 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:01:37,581 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 15:01:37,581 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173721042] [2022-03-15 15:01:37,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:01:37,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:01:37,582 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:01:37,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:01:37,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:01:37,582 INFO L87 Difference]: Start difference. First operand 25253 states and 73092 transitions. Second operand has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:01:37,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:01:37,734 INFO L93 Difference]: Finished difference Result 25987 states and 75226 transitions. [2022-03-15 15:01:37,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:01:37,735 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-03-15 15:01:37,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:01:37,959 INFO L225 Difference]: With dead ends: 25987 [2022-03-15 15:01:37,959 INFO L226 Difference]: Without dead ends: 25987 [2022-03-15 15:01:37,959 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 15:01:37,960 INFO L933 BasicCegarLoop]: 235 mSDtfsCounter, 64 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:01:37,960 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [64 Valid, 393 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:01:38,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25987 states. [2022-03-15 15:01:38,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25987 to 25577. [2022-03-15 15:01:38,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25577 states, 25385 states have (on average 2.91656490053181) internal successors, (74037), 25576 states have internal predecessors, (74037), 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 15:01:38,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25577 states to 25577 states and 74037 transitions. [2022-03-15 15:01:38,634 INFO L78 Accepts]: Start accepts. Automaton has 25577 states and 74037 transitions. Word has length 41 [2022-03-15 15:01:38,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:01:38,635 INFO L470 AbstractCegarLoop]: Abstraction has 25577 states and 74037 transitions. [2022-03-15 15:01:38,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:01:38,635 INFO L276 IsEmpty]: Start isEmpty. Operand 25577 states and 74037 transitions. [2022-03-15 15:01:38,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-03-15 15:01:38,636 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:01:38,636 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:01:38,636 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-15 15:01:38,636 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err6ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2022-03-15 15:01:38,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:01:38,637 INFO L85 PathProgramCache]: Analyzing trace with hash -865887377, now seen corresponding path program 1 times [2022-03-15 15:01:38,637 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:01:38,637 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014259922] [2022-03-15 15:01:38,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:01:38,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:01:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:01:38,668 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 15:01:38,669 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:01:38,669 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014259922] [2022-03-15 15:01:38,669 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014259922] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:01:38,669 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:01:38,669 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 15:01:38,669 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190118482] [2022-03-15 15:01:38,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:01:38,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:01:38,670 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:01:38,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:01:38,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:01:38,670 INFO L87 Difference]: Start difference. First operand 25577 states and 74037 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 15:01:39,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:01:39,006 INFO L93 Difference]: Finished difference Result 44051 states and 127481 transitions. [2022-03-15 15:01:39,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:01:39,007 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 44 [2022-03-15 15:01:39,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:01:39,180 INFO L225 Difference]: With dead ends: 44051 [2022-03-15 15:01:39,180 INFO L226 Difference]: Without dead ends: 44051 [2022-03-15 15:01:39,181 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 15:01:39,182 INFO L933 BasicCegarLoop]: 237 mSDtfsCounter, 126 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:01:39,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 397 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:01:39,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44051 states. [2022-03-15 15:01:39,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44051 to 26041. [2022-03-15 15:01:40,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26041 states, 25849 states have (on average 2.912994699988394) internal successors, (75298), 26040 states have internal predecessors, (75298), 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 15:01:40,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26041 states to 26041 states and 75298 transitions. [2022-03-15 15:01:40,086 INFO L78 Accepts]: Start accepts. Automaton has 26041 states and 75298 transitions. Word has length 44 [2022-03-15 15:01:40,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:01:40,087 INFO L470 AbstractCegarLoop]: Abstraction has 26041 states and 75298 transitions. [2022-03-15 15:01:40,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 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 15:01:40,087 INFO L276 IsEmpty]: Start isEmpty. Operand 26041 states and 75298 transitions. [2022-03-15 15:01:40,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-03-15 15:01:40,088 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:01:40,088 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:01:40,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-15 15:01:40,089 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting thr2Err0ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err6ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2022-03-15 15:01:40,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:01:40,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1284984723, now seen corresponding path program 1 times [2022-03-15 15:01:40,089 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:01:40,089 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803497156] [2022-03-15 15:01:40,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:01:40,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:01:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:01:40,146 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 15:01:40,147 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:01:40,147 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803497156] [2022-03-15 15:01:40,147 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803497156] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:01:40,147 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:01:40,147 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 15:01:40,147 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805399722] [2022-03-15 15:01:40,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:01:40,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:01:40,148 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:01:40,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:01:40,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:01:40,148 INFO L87 Difference]: Start difference. First operand 26041 states and 75298 transitions. Second operand has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:01:40,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:01:40,315 INFO L93 Difference]: Finished difference Result 26609 states and 76929 transitions. [2022-03-15 15:01:40,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:01:40,315 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2022-03-15 15:01:40,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:01:40,388 INFO L225 Difference]: With dead ends: 26609 [2022-03-15 15:01:40,389 INFO L226 Difference]: Without dead ends: 26609 [2022-03-15 15:01:40,389 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 15:01:40,390 INFO L933 BasicCegarLoop]: 227 mSDtfsCounter, 57 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-15 15:01:40,390 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [57 Valid, 385 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-15 15:01:40,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26609 states. [2022-03-15 15:01:41,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26609 to 26280. [2022-03-15 15:01:41,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26280 states, 26090 states have (on average 2.9123418934457646) internal successors, (75983), 26279 states have internal predecessors, (75983), 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 15:01:41,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26280 states to 26280 states and 75983 transitions. [2022-03-15 15:01:41,321 INFO L78 Accepts]: Start accepts. Automaton has 26280 states and 75983 transitions. Word has length 47 [2022-03-15 15:01:41,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:01:41,326 INFO L470 AbstractCegarLoop]: Abstraction has 26280 states and 75983 transitions. [2022-03-15 15:01:41,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:01:41,327 INFO L276 IsEmpty]: Start isEmpty. Operand 26280 states and 75983 transitions. [2022-03-15 15:01:41,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-03-15 15:01:41,335 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:01:41,335 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:01:41,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-15 15:01:41,335 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err6ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2022-03-15 15:01:41,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:01:41,336 INFO L85 PathProgramCache]: Analyzing trace with hash -694775757, now seen corresponding path program 1 times [2022-03-15 15:01:41,336 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:01:41,336 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717608894] [2022-03-15 15:01:41,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:01:41,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:01:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:01:41,366 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 15:01:41,367 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:01:41,367 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717608894] [2022-03-15 15:01:41,367 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717608894] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:01:41,367 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:01:41,367 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 15:01:41,367 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58562929] [2022-03-15 15:01:41,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:01:41,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:01:41,367 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:01:41,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:01:41,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:01:41,368 INFO L87 Difference]: Start difference. First operand 26280 states and 75983 transitions. Second operand has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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 15:01:41,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:01:41,494 INFO L93 Difference]: Finished difference Result 26464 states and 76492 transitions. [2022-03-15 15:01:41,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:01:41,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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 49 [2022-03-15 15:01:41,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:01:41,561 INFO L225 Difference]: With dead ends: 26464 [2022-03-15 15:01:41,561 INFO L226 Difference]: Without dead ends: 26464 [2022-03-15 15:01:41,561 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 15:01:41,562 INFO L933 BasicCegarLoop]: 233 mSDtfsCounter, 63 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:01:41,562 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [63 Valid, 394 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:01:41,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26464 states. [2022-03-15 15:01:42,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26464 to 26234. [2022-03-15 15:01:42,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26234 states, 26050 states have (on average 2.9111324376199614) internal successors, (75835), 26233 states have internal predecessors, (75835), 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 15:01:42,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26234 states to 26234 states and 75835 transitions. [2022-03-15 15:01:42,149 INFO L78 Accepts]: Start accepts. Automaton has 26234 states and 75835 transitions. Word has length 49 [2022-03-15 15:01:42,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:01:42,149 INFO L470 AbstractCegarLoop]: Abstraction has 26234 states and 75835 transitions. [2022-03-15 15:01:42,150 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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 15:01:42,150 INFO L276 IsEmpty]: Start isEmpty. Operand 26234 states and 75835 transitions. [2022-03-15 15:01:42,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-03-15 15:01:42,151 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:01:42,151 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:01:42,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-15 15:01:42,152 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting thr2Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err6ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2022-03-15 15:01:42,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:01:42,153 INFO L85 PathProgramCache]: Analyzing trace with hash -63127802, now seen corresponding path program 1 times [2022-03-15 15:01:42,153 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:01:42,153 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365201475] [2022-03-15 15:01:42,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:01:42,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:01:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:01:42,190 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 15:01:42,191 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:01:42,191 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365201475] [2022-03-15 15:01:42,191 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365201475] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:01:42,191 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:01:42,191 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 15:01:42,191 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388751712] [2022-03-15 15:01:42,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:01:42,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:01:42,191 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:01:42,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:01:42,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:01:42,192 INFO L87 Difference]: Start difference. First operand 26234 states and 75835 transitions. Second operand has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:01:42,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:01:42,518 INFO L93 Difference]: Finished difference Result 43353 states and 125620 transitions. [2022-03-15 15:01:42,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:01:42,518 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-03-15 15:01:42,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:01:42,635 INFO L225 Difference]: With dead ends: 43353 [2022-03-15 15:01:42,635 INFO L226 Difference]: Without dead ends: 43353 [2022-03-15 15:01:42,635 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 15:01:42,636 INFO L933 BasicCegarLoop]: 226 mSDtfsCounter, 110 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:01:42,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [110 Valid, 386 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:01:42,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43353 states. [2022-03-15 15:01:43,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43353 to 26483. [2022-03-15 15:01:43,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26483 states, 26303 states have (on average 2.910276394327643) internal successors, (76549), 26482 states have internal predecessors, (76549), 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 15:01:43,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26483 states to 26483 states and 76549 transitions. [2022-03-15 15:01:43,456 INFO L78 Accepts]: Start accepts. Automaton has 26483 states and 76549 transitions. Word has length 50 [2022-03-15 15:01:43,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:01:43,457 INFO L470 AbstractCegarLoop]: Abstraction has 26483 states and 76549 transitions. [2022-03-15 15:01:43,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:01:43,457 INFO L276 IsEmpty]: Start isEmpty. Operand 26483 states and 76549 transitions. [2022-03-15 15:01:43,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-03-15 15:01:43,458 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:01:43,458 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:01:43,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-15 15:01:43,458 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err6ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2022-03-15 15:01:43,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:01:43,459 INFO L85 PathProgramCache]: Analyzing trace with hash -269862313, now seen corresponding path program 1 times [2022-03-15 15:01:43,459 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:01:43,459 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148996135] [2022-03-15 15:01:43,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:01:43,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:01:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:01:43,581 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 15:01:43,581 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:01:43,581 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148996135] [2022-03-15 15:01:43,581 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148996135] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:01:43,581 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:01:43,581 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-15 15:01:43,581 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166426228] [2022-03-15 15:01:43,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:01:43,582 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-15 15:01:43,582 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:01:43,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-15 15:01:43,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:01:43,582 INFO L87 Difference]: Start difference. First operand 26483 states and 76549 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:01:43,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:01:43,737 INFO L93 Difference]: Finished difference Result 23914 states and 68793 transitions. [2022-03-15 15:01:43,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-03-15 15:01:43,737 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2022-03-15 15:01:43,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:01:43,973 INFO L225 Difference]: With dead ends: 23914 [2022-03-15 15:01:43,973 INFO L226 Difference]: Without dead ends: 23842 [2022-03-15 15:01:43,973 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-03-15 15:01:43,975 INFO L933 BasicCegarLoop]: 636 mSDtfsCounter, 484 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 1383 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-15 15:01:43,978 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [484 Valid, 1383 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-15 15:01:44,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23842 states. [2022-03-15 15:01:44,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23842 to 23842. [2022-03-15 15:01:44,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23842 states, 23748 states have (on average 2.8877379147717703) internal successors, (68578), 23841 states have internal predecessors, (68578), 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 15:01:44,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23842 states to 23842 states and 68578 transitions. [2022-03-15 15:01:44,410 INFO L78 Accepts]: Start accepts. Automaton has 23842 states and 68578 transitions. Word has length 50 [2022-03-15 15:01:44,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:01:44,410 INFO L470 AbstractCegarLoop]: Abstraction has 23842 states and 68578 transitions. [2022-03-15 15:01:44,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:01:44,410 INFO L276 IsEmpty]: Start isEmpty. Operand 23842 states and 68578 transitions. [2022-03-15 15:01:44,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-03-15 15:01:44,411 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:01:44,411 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:01:44,412 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-15 15:01:44,412 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err7ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err6ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2022-03-15 15:01:44,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:01:44,412 INFO L85 PathProgramCache]: Analyzing trace with hash -616601324, now seen corresponding path program 1 times [2022-03-15 15:01:44,412 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:01:44,412 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259199516] [2022-03-15 15:01:44,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:01:44,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:01:44,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-15 15:01:44,431 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 15:01:44,431 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-15 15:01:44,431 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259199516] [2022-03-15 15:01:44,431 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259199516] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-15 15:01:44,431 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-15 15:01:44,431 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-15 15:01:44,431 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44025217] [2022-03-15 15:01:44,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-15 15:01:44,431 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-15 15:01:44,431 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-15 15:01:44,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-15 15:01:44,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-15 15:01:44,432 INFO L87 Difference]: Start difference. First operand 23842 states and 68578 transitions. Second operand has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:01:44,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-15 15:01:44,700 INFO L93 Difference]: Finished difference Result 24547 states and 70174 transitions. [2022-03-15 15:01:44,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-15 15:01:44,700 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-03-15 15:01:44,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-15 15:01:44,758 INFO L225 Difference]: With dead ends: 24547 [2022-03-15 15:01:44,758 INFO L226 Difference]: Without dead ends: 24547 [2022-03-15 15:01:44,759 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 15:01:44,759 INFO L933 BasicCegarLoop]: 234 mSDtfsCounter, 135 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-15 15:01:44,759 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [135 Valid, 367 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-15 15:01:44,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24547 states. [2022-03-15 15:01:45,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24547 to 23440. [2022-03-15 15:01:45,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23440 states, 23353 states have (on average 2.872050700124181) internal successors, (67071), 23439 states have internal predecessors, (67071), 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 15:01:45,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23440 states to 23440 states and 67071 transitions. [2022-03-15 15:01:45,331 INFO L78 Accepts]: Start accepts. Automaton has 23440 states and 67071 transitions. Word has length 52 [2022-03-15 15:01:45,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-15 15:01:45,331 INFO L470 AbstractCegarLoop]: Abstraction has 23440 states and 67071 transitions. [2022-03-15 15:01:45,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-15 15:01:45,331 INFO L276 IsEmpty]: Start isEmpty. Operand 23440 states and 67071 transitions. [2022-03-15 15:01:45,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-03-15 15:01:45,332 INFO L506 BasicCegarLoop]: Found error trace [2022-03-15 15:01:45,332 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:01:45,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-15 15:01:45,333 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr2Err0ASSERT_VIOLATIONDATA_RACE, thr2Err1ASSERT_VIOLATIONDATA_RACE, thr2Err6ASSERT_VIOLATIONDATA_RACE, thr2Err2ASSERT_VIOLATIONDATA_RACE (and 42 more)] === [2022-03-15 15:01:45,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-15 15:01:45,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1511061770, now seen corresponding path program 1 times [2022-03-15 15:01:45,333 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-15 15:01:45,333 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498303241] [2022-03-15 15:01:45,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-15 15:01:45,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-15 15:01:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 15:01:45,352 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-03-15 15:01:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-03-15 15:01:45,394 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-03-15 15:01:45,394 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-03-15 15:01:45,395 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location thr1Err1ASSERT_VIOLATIONDATA_RACE (45 of 46 remaining) [2022-03-15 15:01:45,396 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (44 of 46 remaining) [2022-03-15 15:01:45,396 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (43 of 46 remaining) [2022-03-15 15:01:45,396 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (42 of 46 remaining) [2022-03-15 15:01:45,396 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (41 of 46 remaining) [2022-03-15 15:01:45,396 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (40 of 46 remaining) [2022-03-15 15:01:45,396 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (39 of 46 remaining) [2022-03-15 15:01:45,396 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (38 of 46 remaining) [2022-03-15 15:01:45,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (37 of 46 remaining) [2022-03-15 15:01:45,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (36 of 46 remaining) [2022-03-15 15:01:45,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (35 of 46 remaining) [2022-03-15 15:01:45,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (34 of 46 remaining) [2022-03-15 15:01:45,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (33 of 46 remaining) [2022-03-15 15:01:45,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (32 of 46 remaining) [2022-03-15 15:01:45,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (31 of 46 remaining) [2022-03-15 15:01:45,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (30 of 46 remaining) [2022-03-15 15:01:45,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (29 of 46 remaining) [2022-03-15 15:01:45,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (28 of 46 remaining) [2022-03-15 15:01:45,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (27 of 46 remaining) [2022-03-15 15:01:45,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (26 of 46 remaining) [2022-03-15 15:01:45,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (25 of 46 remaining) [2022-03-15 15:01:45,397 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (24 of 46 remaining) [2022-03-15 15:01:45,398 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (23 of 46 remaining) [2022-03-15 15:01:45,398 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (22 of 46 remaining) [2022-03-15 15:01:45,398 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (21 of 46 remaining) [2022-03-15 15:01:45,398 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (20 of 46 remaining) [2022-03-15 15:01:45,398 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (19 of 46 remaining) [2022-03-15 15:01:45,398 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONDATA_RACE (18 of 46 remaining) [2022-03-15 15:01:45,398 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err1ASSERT_VIOLATIONDATA_RACE (17 of 46 remaining) [2022-03-15 15:01:45,398 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err6ASSERT_VIOLATIONDATA_RACE (16 of 46 remaining) [2022-03-15 15:01:45,398 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err2ASSERT_VIOLATIONDATA_RACE (15 of 46 remaining) [2022-03-15 15:01:45,398 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err7ASSERT_VIOLATIONDATA_RACE (14 of 46 remaining) [2022-03-15 15:01:45,398 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err3ASSERT_VIOLATIONDATA_RACE (13 of 46 remaining) [2022-03-15 15:01:45,398 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err8ASSERT_VIOLATIONDATA_RACE (12 of 46 remaining) [2022-03-15 15:01:45,398 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err4ASSERT_VIOLATIONDATA_RACE (11 of 46 remaining) [2022-03-15 15:01:45,398 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err5ASSERT_VIOLATIONDATA_RACE (10 of 46 remaining) [2022-03-15 15:01:45,398 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err9ASSERT_VIOLATIONDATA_RACE (9 of 46 remaining) [2022-03-15 15:01:45,398 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (8 of 46 remaining) [2022-03-15 15:01:45,399 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (7 of 46 remaining) [2022-03-15 15:01:45,399 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (6 of 46 remaining) [2022-03-15 15:01:45,399 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (5 of 46 remaining) [2022-03-15 15:01:45,399 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (4 of 46 remaining) [2022-03-15 15:01:45,399 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (3 of 46 remaining) [2022-03-15 15:01:45,399 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (2 of 46 remaining) [2022-03-15 15:01:45,399 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (1 of 46 remaining) [2022-03-15 15:01:45,399 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (0 of 46 remaining) [2022-03-15 15:01:45,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-15 15:01:45,401 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-15 15:01:45,405 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-03-15 15:01:45,405 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-15 15:01:45,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 03:01:45 BasicIcfg [2022-03-15 15:01:45,450 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-15 15:01:45,450 INFO L158 Benchmark]: Toolchain (without parser) took 13956.87ms. Allocated memory was 204.5MB in the beginning and 6.3GB in the end (delta: 6.1GB). Free memory was 152.7MB in the beginning and 5.1GB in the end (delta: -5.0GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2022-03-15 15:01:45,451 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 204.5MB. Free memory was 170.9MB in the beginning and 170.8MB in the end (delta: 72.7kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-15 15:01:45,451 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.00ms. Allocated memory is still 204.5MB. Free memory was 152.5MB in the beginning and 172.1MB in the end (delta: -19.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-03-15 15:01:45,451 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.36ms. Allocated memory is still 204.5MB. Free memory was 171.5MB in the beginning and 170.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-03-15 15:01:45,451 INFO L158 Benchmark]: Boogie Preprocessor took 23.46ms. Allocated memory is still 204.5MB. Free memory was 169.4MB in the beginning and 167.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-15 15:01:45,451 INFO L158 Benchmark]: RCFGBuilder took 531.35ms. Allocated memory is still 204.5MB. Free memory was 167.9MB in the beginning and 151.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-03-15 15:01:45,452 INFO L158 Benchmark]: TraceAbstraction took 12995.71ms. Allocated memory was 204.5MB in the beginning and 6.3GB in the end (delta: 6.1GB). Free memory was 150.6MB in the beginning and 5.1GB in the end (delta: -5.0GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2022-03-15 15:01:45,453 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 204.5MB. Free memory was 170.9MB in the beginning and 170.8MB in the end (delta: 72.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 353.00ms. Allocated memory is still 204.5MB. Free memory was 152.5MB in the beginning and 172.1MB in the end (delta: -19.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.36ms. Allocated memory is still 204.5MB. Free memory was 171.5MB in the beginning and 170.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.46ms. Allocated memory is still 204.5MB. Free memory was 169.4MB in the beginning and 167.9MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 531.35ms. Allocated memory is still 204.5MB. Free memory was 167.9MB in the beginning and 151.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 12995.71ms. Allocated memory was 204.5MB in the beginning and 6.3GB in the end (delta: 6.1GB). Free memory was 150.6MB in the beginning and 5.1GB in the end (delta: -5.0GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 693]: Data race detected Data race detected The following path leads to a data race: [L688] 0 int flag1 = 0, flag2 = 0; VAL [flag1=0, flag2=0] [L689] 0 int turn; VAL [flag1=0, flag2=0, turn=0] [L690] 0 int x; VAL [flag1=0, flag2=0, turn=0, x=0] [L722] 0 pthread_t t1, t2; VAL [flag1=0, flag2=0, t1={5:0}, t2={3:0}, turn=0, x=0] [L723] EXPR 0 0<=turn VAL [flag1=0, flag2=0, t1={5:0}, t2={3:0}, turn=0, x=0] [L723] EXPR 0 0<=turn && turn<=1 VAL [0<=turn && turn<=1=1, flag1=0, flag2=0, t1={5:0}, t2={3:0}, turn=0, x=0] [L723] EXPR 0 turn<=1 VAL [0<=turn && turn<=1=1, flag1=0, flag2=0, t1={5:0}, t2={3:0}, turn=0, x=0] [L723] EXPR 0 0<=turn && turn<=1 VAL [0<=turn && turn<=1=1, flag1=0, flag2=0, t1={5:0}, t2={3:0}, turn=0, x=0] [L723] CALL 0 assume_abort_if_not(0<=turn && turn<=1) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, cond=1, flag1=0, flag2=0, turn=0, x=0] [L723] RET 0 assume_abort_if_not(0<=turn && turn<=1) [L724] FCALL, FORK 0 pthread_create(&t1, 0, thr1, 0) VAL [_={0:0}, flag1=0, flag2=0, pthread_create(&t1, 0, thr1, 0)=-1, t1={5:0}, t2={3:0}, turn=0, x=0] [L692] 1 flag1 = 1 VAL [_={0:0}, _={0:0}, flag1=1, flag2=0, turn=0, x=0] [L693] 1 flag2 >= 1 VAL [_={0:0}, _={0:0}, flag1=1, flag2=0, turn=0, x=0] [L725] FCALL, FORK 0 pthread_create(&t2, 0, thr2, 0) VAL [_={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=0, pthread_create(&t2, 0, thr2, 0)=0, t1={5:0}, t2={3:0}, turn=0, x=0] [L707] 2 flag2 = 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, flag2 = 1=49, turn=0, x=0] [L693] 1 flag2 >= 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=1, flag2=1, flag2 = 1=49, turn=0, x=0] Now there is a data race on ~flag2~0 between C: flag2 = 1 [707] and C: flag2 >= 1 [693] - UnprovableResult [Line: 707]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 708]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 715]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 709]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 716]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 710]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 717]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 711]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 712]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 718]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 700]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 694]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 701]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 695]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 702]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 696]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 697]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 703]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 723]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 723]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 726]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 727]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 724]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 725]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 308 locations, 46 error locations. Started 1 CEGAR loops. OverallTime: 12.8s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1309 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1309 mSDsluCounter, 4531 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2148 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 236 IncrementalHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 2407 mSDtfsCounter, 236 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34545occurred in iteration=0, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 7.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 47353 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 445 NumberOfCodeBlocks, 445 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 382 ConstructedInterpolants, 0 QuantifiedInterpolants, 497 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-03-15 15:01:45,508 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...