./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/pthread-ext/32_pthread5_vs.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread-ext/32_pthread5_vs.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a1dca423de1ee0965d72c4be0ada5e821e4dbfc023ab1c498b90df0e18b4c1f3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 20:12:06,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 20:12:06,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 20:12:07,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 20:12:07,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 20:12:07,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 20:12:07,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 20:12:07,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 20:12:07,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 20:12:07,032 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 20:12:07,033 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 20:12:07,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 20:12:07,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 20:12:07,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 20:12:07,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 20:12:07,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 20:12:07,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 20:12:07,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 20:12:07,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 20:12:07,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 20:12:07,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 20:12:07,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 20:12:07,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 20:12:07,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 20:12:07,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 20:12:07,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 20:12:07,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 20:12:07,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 20:12:07,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 20:12:07,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 20:12:07,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 20:12:07,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 20:12:07,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 20:12:07,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 20:12:07,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 20:12:07,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 20:12:07,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 20:12:07,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 20:12:07,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 20:12:07,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 20:12:07,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 20:12:07,070 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 20:12:07,090 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 20:12:07,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 20:12:07,093 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 20:12:07,093 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 20:12:07,094 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 20:12:07,094 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 20:12:07,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 20:12:07,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 20:12:07,095 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 20:12:07,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 20:12:07,096 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 20:12:07,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 20:12:07,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 20:12:07,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 20:12:07,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 20:12:07,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 20:12:07,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 20:12:07,097 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 20:12:07,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 20:12:07,098 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 20:12:07,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 20:12:07,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 20:12:07,098 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 20:12:07,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 20:12:07,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 20:12:07,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 20:12:07,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 20:12:07,100 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 20:12:07,100 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 20:12:07,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 20:12:07,101 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 20:12:07,101 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 20:12:07,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 20:12:07,101 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1dca423de1ee0965d72c4be0ada5e821e4dbfc023ab1c498b90df0e18b4c1f3 [2022-02-20 20:12:07,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 20:12:07,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 20:12:07,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 20:12:07,373 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 20:12:07,374 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 20:12:07,375 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-ext/32_pthread5_vs.i [2022-02-20 20:12:07,438 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29f863663/116ef1bb5fc9452ca8e3d714fe79647d/FLAGf933efbb7 [2022-02-20 20:12:07,878 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 20:12:07,878 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/32_pthread5_vs.i [2022-02-20 20:12:07,889 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29f863663/116ef1bb5fc9452ca8e3d714fe79647d/FLAGf933efbb7 [2022-02-20 20:12:08,232 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/29f863663/116ef1bb5fc9452ca8e3d714fe79647d [2022-02-20 20:12:08,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 20:12:08,235 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 20:12:08,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 20:12:08,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 20:12:08,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 20:12:08,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 08:12:08" (1/1) ... [2022-02-20 20:12:08,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19060a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:12:08, skipping insertion in model container [2022-02-20 20:12:08,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 08:12:08" (1/1) ... [2022-02-20 20:12:08,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 20:12:08,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 20:12:08,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/32_pthread5_vs.i[30454,30467] [2022-02-20 20:12:08,577 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/32_pthread5_vs.i[30634,30647] [2022-02-20 20:12:08,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 20:12:08,589 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 20:12:08,622 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/32_pthread5_vs.i[30454,30467] [2022-02-20 20:12:08,624 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-ext/32_pthread5_vs.i[30634,30647] [2022-02-20 20:12:08,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 20:12:08,656 INFO L208 MainTranslator]: Completed translation [2022-02-20 20:12:08,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:12:08 WrapperNode [2022-02-20 20:12:08,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 20:12:08,658 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 20:12:08,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 20:12:08,658 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 20:12:08,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:12:08" (1/1) ... [2022-02-20 20:12:08,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:12:08" (1/1) ... [2022-02-20 20:12:08,722 INFO L137 Inliner]: procedures = 172, calls = 24, calls flagged for inlining = 12, calls inlined = 18, statements flattened = 128 [2022-02-20 20:12:08,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 20:12:08,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 20:12:08,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 20:12:08,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 20:12:08,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:12:08" (1/1) ... [2022-02-20 20:12:08,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:12:08" (1/1) ... [2022-02-20 20:12:08,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:12:08" (1/1) ... [2022-02-20 20:12:08,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:12:08" (1/1) ... [2022-02-20 20:12:08,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:12:08" (1/1) ... [2022-02-20 20:12:08,742 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:12:08" (1/1) ... [2022-02-20 20:12:08,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:12:08" (1/1) ... [2022-02-20 20:12:08,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 20:12:08,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 20:12:08,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 20:12:08,749 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 20:12:08,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:12:08" (1/1) ... [2022-02-20 20:12:08,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 20:12:08,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 20:12:08,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-20 20:12:08,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-20 20:12:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2022-02-20 20:12:08,827 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2022-02-20 20:12:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure thr3 [2022-02-20 20:12:08,828 INFO L138 BoogieDeclarations]: Found implementation of procedure thr3 [2022-02-20 20:12:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-02-20 20:12:08,829 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-02-20 20:12:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 20:12:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 20:12:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 20:12:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 20:12:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 20:12:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 20:12:08,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 20:12:08,831 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-20 20:12:08,976 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 20:12:08,984 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 20:12:09,284 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 20:12:09,337 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 20:12:09,343 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-20 20:12:09,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 08:12:09 BoogieIcfgContainer [2022-02-20 20:12:09,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 20:12:09,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 20:12:09,347 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 20:12:09,350 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 20:12:09,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 08:12:08" (1/3) ... [2022-02-20 20:12:09,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ca8dd27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 08:12:09, skipping insertion in model container [2022-02-20 20:12:09,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:12:08" (2/3) ... [2022-02-20 20:12:09,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ca8dd27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 08:12:09, skipping insertion in model container [2022-02-20 20:12:09,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 08:12:09" (3/3) ... [2022-02-20 20:12:09,353 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_pthread5_vs.i [2022-02-20 20:12:09,356 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-20 20:12:09,356 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 20:12:09,357 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-02-20 20:12:09,357 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-20 20:12:09,397 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,398 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,398 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,398 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,398 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,399 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,399 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,399 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,399 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,399 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,400 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,400 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,400 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,400 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,401 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,401 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,401 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,402 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,402 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,402 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,403 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,403 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,403 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,403 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,403 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,404 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,404 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,404 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,404 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,404 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,405 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,405 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,405 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,408 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,410 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,410 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,410 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,410 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,410 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,411 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,411 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,411 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,421 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,422 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,422 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,422 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,423 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,423 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,423 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,424 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,425 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,425 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,425 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,426 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,426 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,426 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,426 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,427 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,427 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,427 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,428 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,428 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,428 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,428 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,428 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,428 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,429 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,429 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,429 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,429 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,430 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,430 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,430 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,430 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,431 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,431 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,431 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,431 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,434 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,434 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,434 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,435 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,435 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,435 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,436 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,436 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,436 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,436 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,437 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,437 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,437 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,438 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,438 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,438 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,438 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,438 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,439 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:12:09,439 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-20 20:12:09,474 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 20:12:09,479 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 20:12:09,480 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-20 20:12:09,489 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 91 transitions, 197 flow [2022-02-20 20:12:09,522 INFO L129 PetriNetUnfolder]: 8/100 cut-off events. [2022-02-20 20:12:09,523 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-02-20 20:12:09,528 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 100 events. 8/100 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 153 event pairs, 0 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 83. Up to 4 conditions per place. [2022-02-20 20:12:09,528 INFO L82 GeneralOperation]: Start removeDead. Operand has 93 places, 91 transitions, 197 flow [2022-02-20 20:12:09,532 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 91 places, 89 transitions, 189 flow [2022-02-20 20:12:09,543 INFO L129 PetriNetUnfolder]: 3/53 cut-off events. [2022-02-20 20:12:09,543 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-02-20 20:12:09,543 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-02-20 20:12:09,544 INFO L254 CegarLoopForPetriNet]: 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] [2022-02-20 20:12:09,544 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 3 more)] === [2022-02-20 20:12:09,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 20:12:09,549 INFO L85 PathProgramCache]: Analyzing trace with hash 542323430, now seen corresponding path program 1 times [2022-02-20 20:12:09,556 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 20:12:09,557 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076830232] [2022-02-20 20:12:09,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 20:12:09,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 20:12:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 20:12:09,824 INFO L290 TraceCheckUtils]: 0: Hoare triple {96#true} [397] ULTIMATE.startENTRY-->L-1: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {96#true} is VALID [2022-02-20 20:12:09,825 INFO L290 TraceCheckUtils]: 1: Hoare triple {96#true} [376] L-1-->L-1-1: Formula: (and (= |v_#NULL.base_1| 0) (= |v_#NULL.offset_1| 0)) InVars {} OutVars{#NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {96#true} is VALID [2022-02-20 20:12:09,825 INFO L290 TraceCheckUtils]: 2: Hoare triple {96#true} [405] L-1-1-->L-1-2: Formula: (= (select |v_#valid_1| 0) 0) InVars {#valid=|v_#valid_1|} OutVars{#valid=|v_#valid_1|} AuxVars[] AssignedVars[] {96#true} is VALID [2022-02-20 20:12:09,825 INFO L290 TraceCheckUtils]: 3: Hoare triple {96#true} [409] L-1-2-->L17: Formula: (< 0 |v_#StackHeapBarrier_1|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|} AuxVars[] AssignedVars[] {96#true} is VALID [2022-02-20 20:12:09,827 INFO L290 TraceCheckUtils]: 4: Hoare triple {96#true} [408] L17-->L17-1: Formula: (and (= (select |v_#valid_2| 1) 1) (= 2 (select |v_#length_1| 1))) InVars {#length=|v_#length_1|, #valid=|v_#valid_2|} OutVars{#length=|v_#length_1|, #valid=|v_#valid_2|} AuxVars[] AssignedVars[] {96#true} is VALID [2022-02-20 20:12:09,828 INFO L290 TraceCheckUtils]: 5: Hoare triple {96#true} [345] L17-1-->L17-2: Formula: (= 48 (select (select |v_#memory_int_1| 1) 0)) InVars {#memory_int=|v_#memory_int_1|} OutVars{#memory_int=|v_#memory_int_1|} AuxVars[] AssignedVars[] {96#true} is VALID [2022-02-20 20:12:09,828 INFO L290 TraceCheckUtils]: 6: Hoare triple {96#true} [338] L17-2-->L17-3: Formula: (= (select (select |v_#memory_int_2| 1) 1) 0) InVars {#memory_int=|v_#memory_int_2|} OutVars{#memory_int=|v_#memory_int_2|} AuxVars[] AssignedVars[] {96#true} is VALID [2022-02-20 20:12:09,828 INFO L290 TraceCheckUtils]: 7: Hoare triple {96#true} [355] L17-3-->L17-4: Formula: (and (= (select |v_#valid_3| 2) 1) (= (select |v_#length_2| 2) 17)) InVars {#length=|v_#length_2|, #valid=|v_#valid_3|} OutVars{#length=|v_#length_2|, #valid=|v_#valid_3|} AuxVars[] AssignedVars[] {96#true} is VALID [2022-02-20 20:12:09,830 INFO L290 TraceCheckUtils]: 8: Hoare triple {96#true} [334] L17-4-->L689: Formula: (= v_~g0~0_7 0) InVars {} OutVars{~g0~0=v_~g0~0_7} AuxVars[] AssignedVars[~g0~0] {98#(= ~g0~0 0)} is VALID [2022-02-20 20:12:09,830 INFO L290 TraceCheckUtils]: 9: Hoare triple {98#(= ~g0~0 0)} [343] L689-->L689-1: Formula: (= v_~g1~0_7 0) InVars {} OutVars{~g1~0=v_~g1~0_7} AuxVars[] AssignedVars[~g1~0] {99#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:12:09,832 INFO L290 TraceCheckUtils]: 10: Hoare triple {99#(= ~g1~0 ~g0~0)} [352] L689-1-->L690: Formula: (= v_~x~0_2 0) InVars {} OutVars{~x~0=v_~x~0_2} AuxVars[] AssignedVars[~x~0] {99#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:12:09,832 INFO L290 TraceCheckUtils]: 11: Hoare triple {99#(= ~g1~0 ~g0~0)} [400] L690-->L691: Formula: (= v_~lock~0_5 0) InVars {} OutVars{~lock~0=v_~lock~0_5} AuxVars[] AssignedVars[~lock~0] {99#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:12:09,833 INFO L290 TraceCheckUtils]: 12: Hoare triple {99#(= ~g1~0 ~g0~0)} [372] L691-->L-1-3: Formula: (= v_~mutex~0_17 0) InVars {} OutVars{~mutex~0=v_~mutex~0_17} AuxVars[] AssignedVars[~mutex~0] {99#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:12:09,833 INFO L290 TraceCheckUtils]: 13: Hoare triple {99#(= ~g1~0 ~g0~0)} [410] L-1-3-->L-1-4: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {99#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:12:09,834 INFO L290 TraceCheckUtils]: 14: Hoare triple {99#(= ~g1~0 ~g0~0)} [386] L-1-4-->L-1-5: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {99#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:12:09,835 INFO L290 TraceCheckUtils]: 15: Hoare triple {99#(= ~g1~0 ~g0~0)} [348] L-1-5-->L-1-6: Formula: true InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1] {99#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:12:09,836 INFO L290 TraceCheckUtils]: 16: Hoare triple {99#(= ~g1~0 ~g0~0)} [385] L-1-6-->L735: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_1|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_1|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_1|, ULTIMATE.start_main_~#t~0#1.offset=|v_ULTIMATE.start_main_~#t~0#1.offset_1|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_1|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_1|, ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_1|, ULTIMATE.start_main_~#t~0#1.base=|v_ULTIMATE.start_main_~#t~0#1.base_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_~#t~0#1.offset, ULTIMATE.start_main_#t~nondet7#1, ULTIMATE.start_main_#t~pre8#1, ULTIMATE.start_main_#t~pre4#1, ULTIMATE.start_main_~#t~0#1.base] {99#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:12:09,836 INFO L290 TraceCheckUtils]: 17: Hoare triple {99#(= ~g1~0 ~g0~0)} [406] L735-->L735-1: Formula: (and (not (= |v_ULTIMATE.start_main_~#t~0#1.base_2| 0)) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_~#t~0#1.base_2|) (= |v_ULTIMATE.start_main_~#t~0#1.offset_2| 0) (= |v_#length_3| (store |v_#length_4| |v_ULTIMATE.start_main_~#t~0#1.base_2| 4)) (= |v_#valid_4| (store |v_#valid_5| |v_ULTIMATE.start_main_~#t~0#1.base_2| 1)) (= (select |v_#valid_5| |v_ULTIMATE.start_main_~#t~0#1.base_2|) 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_4|, #valid=|v_#valid_5|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_3|, ULTIMATE.start_main_~#t~0#1.base=|v_ULTIMATE.start_main_~#t~0#1.base_2|, ULTIMATE.start_main_~#t~0#1.offset=|v_ULTIMATE.start_main_~#t~0#1.offset_2|, #valid=|v_#valid_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t~0#1.offset, #valid, #length, ULTIMATE.start_main_~#t~0#1.base] {99#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:12:09,839 INFO L290 TraceCheckUtils]: 18: Hoare triple {99#(= ~g1~0 ~g0~0)} [412] L735-1-->L736: Formula: (= |v_ULTIMATE.start_main_#t~pre4#1_2| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{#pthreadsForks=|v_#pthreadsForks_1|, ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre4#1] {99#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:12:09,840 INFO L290 TraceCheckUtils]: 19: Hoare triple {99#(= ~g1~0 ~g0~0)} [371] L736-->L736-1: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] {99#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:12:09,840 INFO L290 TraceCheckUtils]: 20: Hoare triple {99#(= ~g1~0 ~g0~0)} [411] L736-1-->L736-2: Formula: (= (store |v_#memory_int_4| |v_ULTIMATE.start_main_~#t~0#1.base_3| (store (select |v_#memory_int_4| |v_ULTIMATE.start_main_~#t~0#1.base_3|) |v_ULTIMATE.start_main_~#t~0#1.offset_3| |v_ULTIMATE.start_main_#t~pre4#1_3|)) |v_#memory_int_3|) InVars {#memory_int=|v_#memory_int_4|, ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_3|, ULTIMATE.start_main_~#t~0#1.base=|v_ULTIMATE.start_main_~#t~0#1.base_3|, ULTIMATE.start_main_~#t~0#1.offset=|v_ULTIMATE.start_main_~#t~0#1.offset_3|} OutVars{#memory_int=|v_#memory_int_3|, ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_3|, ULTIMATE.start_main_~#t~0#1.base=|v_ULTIMATE.start_main_~#t~0#1.base_3|, ULTIMATE.start_main_~#t~0#1.offset=|v_ULTIMATE.start_main_~#t~0#1.offset_3|} AuxVars[] AssignedVars[#memory_int] {99#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:12:09,841 INFO L290 TraceCheckUtils]: 21: Hoare triple {99#(= ~g1~0 ~g0~0)} [459] L736-2-->thr1ENTRY: Formula: (and (= |v_thr1Thread1of1ForFork0_#in~arg#1.base_4| 0) (= |v_thr1Thread1of1ForFork0_#in~arg#1.offset_4| 0) (= |v_ULTIMATE.start_main_#t~pre4#1_6| v_thr1Thread1of1ForFork0_thidvar0_2) (= v_thr1Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_6|} OutVars{thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1_6|, thr1Thread1of1ForFork0_#in~arg#1.base=|v_thr1Thread1of1ForFork0_#in~arg#1.base_4|, thr1Thread1of1ForFork0_#res#1.offset=|v_thr1Thread1of1ForFork0_#res#1.offset_4|, thr1Thread1of1ForFork0_~arg#1.offset=|v_thr1Thread1of1ForFork0_~arg#1.offset_4|, thr1Thread1of1ForFork0_thidvar0=v_thr1Thread1of1ForFork0_thidvar0_2, thr1Thread1of1ForFork0_~arg#1.base=|v_thr1Thread1of1ForFork0_~arg#1.base_4|, thr1Thread1of1ForFork0_thidvar1=v_thr1Thread1of1ForFork0_thidvar1_2, thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_6|, thr1Thread1of1ForFork0_#in~arg#1.offset=|v_thr1Thread1of1ForFork0_#in~arg#1.offset_4|, thr1Thread1of1ForFork0_#res#1.base=|v_thr1Thread1of1ForFork0_#res#1.base_4|, ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_6|} AuxVars[] AssignedVars[thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1, thr1Thread1of1ForFork0_#in~arg#1.base, thr1Thread1of1ForFork0_#res#1.offset, thr1Thread1of1ForFork0_~arg#1.offset, thr1Thread1of1ForFork0_thidvar0, thr1Thread1of1ForFork0_~arg#1.base, thr1Thread1of1ForFork0_thidvar1, thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thr1Thread1of1ForFork0_#in~arg#1.offset, thr1Thread1of1ForFork0_#res#1.base] {99#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:12:09,842 INFO L290 TraceCheckUtils]: 22: Hoare triple {99#(= ~g1~0 ~g0~0)} [330] L736-3-->L736-4: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre4#1] {99#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:12:09,842 INFO L290 TraceCheckUtils]: 23: Hoare triple {99#(= ~g1~0 ~g0~0)} [347] L736-4-->L737: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5#1] {99#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:12:09,844 INFO L290 TraceCheckUtils]: 24: Hoare triple {99#(= ~g1~0 ~g0~0)} [357] L737-->L737-1: Formula: (= |v_ULTIMATE.start_main_#t~pre6#1_2| |v_#pthreadsForks_4|) InVars {#pthreadsForks=|v_#pthreadsForks_4|} OutVars{#pthreadsForks=|v_#pthreadsForks_4|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1] {99#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:12:09,844 INFO L290 TraceCheckUtils]: 25: Hoare triple {99#(= ~g1~0 ~g0~0)} [368] L737-1-->L737-2: Formula: (= (+ 1 |v_#pthreadsForks_6|) |v_#pthreadsForks_5|) InVars {#pthreadsForks=|v_#pthreadsForks_6|} OutVars{#pthreadsForks=|v_#pthreadsForks_5|} AuxVars[] AssignedVars[#pthreadsForks] {99#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:12:09,845 INFO L290 TraceCheckUtils]: 26: Hoare triple {99#(= ~g1~0 ~g0~0)} [358] L737-2-->L737-3: Formula: (= (store |v_#memory_int_6| |v_ULTIMATE.start_main_~#t~0#1.base_4| (store (select |v_#memory_int_6| |v_ULTIMATE.start_main_~#t~0#1.base_4|) |v_ULTIMATE.start_main_~#t~0#1.offset_4| |v_ULTIMATE.start_main_#t~pre6#1_3|)) |v_#memory_int_5|) InVars {#memory_int=|v_#memory_int_6|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_3|, ULTIMATE.start_main_~#t~0#1.base=|v_ULTIMATE.start_main_~#t~0#1.base_4|, ULTIMATE.start_main_~#t~0#1.offset=|v_ULTIMATE.start_main_~#t~0#1.offset_4|} OutVars{#memory_int=|v_#memory_int_5|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_3|, ULTIMATE.start_main_~#t~0#1.base=|v_ULTIMATE.start_main_~#t~0#1.base_4|, ULTIMATE.start_main_~#t~0#1.offset=|v_ULTIMATE.start_main_~#t~0#1.offset_4|} AuxVars[] AssignedVars[#memory_int] {99#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:12:09,845 INFO L290 TraceCheckUtils]: 27: Hoare triple {99#(= ~g1~0 ~g0~0)} [463] L737-3-->thr2ENTRY: Formula: (and (= |v_thr2Thread1of1ForFork2_#in~arg#1.offset_4| 0) (= v_thr2Thread1of1ForFork2_thidvar1_2 0) (= |v_thr2Thread1of1ForFork2_#in~arg#1.base_4| 0) (= |v_ULTIMATE.start_main_#t~pre6#1_6| v_thr2Thread1of1ForFork2_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|} OutVars{thr2Thread1of1ForFork2_~arg#1.base=|v_thr2Thread1of1ForFork2_~arg#1.base_4|, thr2Thread1of1ForFork2_~arg#1.offset=|v_thr2Thread1of1ForFork2_~arg#1.offset_4|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|, thr2Thread1of1ForFork2_thidvar0=v_thr2Thread1of1ForFork2_thidvar0_2, thr2Thread1of1ForFork2_#in~arg#1.base=|v_thr2Thread1of1ForFork2_#in~arg#1.base_4|, thr2Thread1of1ForFork2_#res#1.offset=|v_thr2Thread1of1ForFork2_#res#1.offset_4|, thr2Thread1of1ForFork2_#in~arg#1.offset=|v_thr2Thread1of1ForFork2_#in~arg#1.offset_4|, thr2Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thr2Thread1of1ForFork2_assume_abort_if_not_~cond#1_6|, thr2Thread1of1ForFork2_thidvar1=v_thr2Thread1of1ForFork2_thidvar1_2, thr2Thread1of1ForFork2_#res#1.base=|v_thr2Thread1of1ForFork2_#res#1.base_4|, thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_6|} AuxVars[] AssignedVars[thr2Thread1of1ForFork2_~arg#1.base, thr2Thread1of1ForFork2_~arg#1.offset, thr2Thread1of1ForFork2_thidvar0, thr2Thread1of1ForFork2_#in~arg#1.base, thr2Thread1of1ForFork2_#res#1.offset, thr2Thread1of1ForFork2_#in~arg#1.offset, thr2Thread1of1ForFork2_assume_abort_if_not_~cond#1, thr2Thread1of1ForFork2_thidvar1, thr2Thread1of1ForFork2_#res#1.base, thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] {99#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:12:09,846 INFO L290 TraceCheckUtils]: 28: Hoare triple {99#(= ~g1~0 ~g0~0)} [414] thr2ENTRY-->L723-8: Formula: (and (= |v_thr2Thread1of1ForFork2_~arg#1.offset_1| |v_thr2Thread1of1ForFork2_#in~arg#1.offset_1|) (= |v_thr2Thread1of1ForFork2_~arg#1.base_1| |v_thr2Thread1of1ForFork2_#in~arg#1.base_1|)) InVars {thr2Thread1of1ForFork2_#in~arg#1.base=|v_thr2Thread1of1ForFork2_#in~arg#1.base_1|, thr2Thread1of1ForFork2_#in~arg#1.offset=|v_thr2Thread1of1ForFork2_#in~arg#1.offset_1|} OutVars{thr2Thread1of1ForFork2_~arg#1.offset=|v_thr2Thread1of1ForFork2_~arg#1.offset_1|, thr2Thread1of1ForFork2_~arg#1.base=|v_thr2Thread1of1ForFork2_~arg#1.base_1|, thr2Thread1of1ForFork2_#in~arg#1.base=|v_thr2Thread1of1ForFork2_#in~arg#1.base_1|, thr2Thread1of1ForFork2_#in~arg#1.offset=|v_thr2Thread1of1ForFork2_#in~arg#1.offset_1|} AuxVars[] AssignedVars[thr2Thread1of1ForFork2_~arg#1.offset, thr2Thread1of1ForFork2_~arg#1.base] {99#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:12:09,846 INFO L290 TraceCheckUtils]: 29: Hoare triple {99#(= ~g1~0 ~g0~0)} [417] L723-8-->L723-2: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {99#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:12:09,847 INFO L290 TraceCheckUtils]: 30: Hoare triple {99#(= ~g1~0 ~g0~0)} [419] L723-2-->L723-3: Formula: (and (= |v_thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1| (ite (= v_~mutex~0_103 0) 1 0)) (not (= |v_thr2Thread1of1ForFork2_assume_abort_if_not_~cond#1_1| 0)) (= |v_thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1| |v_thr2Thread1of1ForFork2_assume_abort_if_not_~cond#1_1|) (= v_~mutex~0_102 1)) InVars {~mutex~0=v_~mutex~0_103} OutVars{thr2Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thr2Thread1of1ForFork2_assume_abort_if_not_~cond#1_1|, thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1|, ~mutex~0=v_~mutex~0_102} AuxVars[] AssignedVars[thr2Thread1of1ForFork2_assume_abort_if_not_~cond#1, thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, ~mutex~0] {99#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:12:09,848 INFO L290 TraceCheckUtils]: 31: Hoare triple {99#(= ~g1~0 ~g0~0)} [421] L723-3-->L723-4: Formula: (not (= v_~g0~0_1 v_~g1~0_1)) InVars {~g1~0=v_~g1~0_1, ~g0~0=v_~g0~0_1} OutVars{~g1~0=v_~g1~0_1, ~g0~0=v_~g0~0_1} AuxVars[] AssignedVars[] {97#false} is VALID [2022-02-20 20:12:09,848 INFO L290 TraceCheckUtils]: 32: Hoare triple {97#false} [423] L723-4-->thr2Err0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {97#false} is VALID [2022-02-20 20:12:09,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 20:12:09,850 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 20:12:09,850 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076830232] [2022-02-20 20:12:09,851 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076830232] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 20:12:09,851 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 20:12:09,852 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 20:12:09,854 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692414668] [2022-02-20 20:12:09,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 20:12:09,868 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 33 [2022-02-20 20:12:09,871 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 20:12:09,874 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 20:12:09,912 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 20:12:09,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 20:12:09,912 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 20:12:09,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 20:12:09,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 20:12:09,947 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 91 [2022-02-20 20:12:09,950 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 89 transitions, 189 flow. Second operand has 4 states, 4 states have (on average 63.5) internal successors, (254), 4 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 20:12:09,952 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-02-20 20:12:09,952 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 91 [2022-02-20 20:12:09,953 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-02-20 20:12:10,389 INFO L129 PetriNetUnfolder]: 769/1730 cut-off events. [2022-02-20 20:12:10,390 INFO L130 PetriNetUnfolder]: For 37/37 co-relation queries the response was YES. [2022-02-20 20:12:10,395 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3052 conditions, 1730 events. 769/1730 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 12130 event pairs, 147 based on Foata normal form. 773/2393 useless extension candidates. Maximal degree in co-relation 3020. Up to 427 conditions per place. [2022-02-20 20:12:10,407 INFO L132 encePairwiseOnDemand]: 76/91 looper letters, 48 selfloop transitions, 12 changer transitions 0/113 dead transitions. [2022-02-20 20:12:10,407 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 113 transitions, 366 flow [2022-02-20 20:12:10,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 20:12:10,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-02-20 20:12:10,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 398 transitions. [2022-02-20 20:12:10,426 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8747252747252747 [2022-02-20 20:12:10,427 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 398 transitions. [2022-02-20 20:12:10,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 398 transitions. [2022-02-20 20:12:10,428 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-20 20:12:10,429 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 398 transitions. [2022-02-20 20:12:10,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 79.6) internal successors, (398), 5 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 20:12:10,436 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 91.0) internal successors, (546), 6 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 20:12:10,438 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 91.0) internal successors, (546), 6 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 20:12:10,440 INFO L186 Difference]: Start difference. First operand has 91 places, 89 transitions, 189 flow. Second operand 5 states and 398 transitions. [2022-02-20 20:12:10,440 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 113 transitions, 366 flow [2022-02-20 20:12:10,443 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 113 transitions, 363 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-02-20 20:12:10,445 INFO L242 Difference]: Finished difference. Result has 86 places, 83 transitions, 247 flow [2022-02-20 20:12:10,447 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=157, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=247, PETRI_PLACES=86, PETRI_TRANSITIONS=83} [2022-02-20 20:12:10,450 INFO L334 CegarLoopForPetriNet]: 91 programPoint places, -5 predicate places. [2022-02-20 20:12:10,451 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 86 places, 83 transitions, 247 flow [2022-02-20 20:12:11,454 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 22099 states, 22092 states have (on average 3.6484700344015932) internal successors, (80602), 22098 states have internal predecessors, (80602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 20:12:11,519 INFO L78 Accepts]: Start accepts. Automaton has has 22099 states, 22092 states have (on average 3.6484700344015932) internal successors, (80602), 22098 states have internal predecessors, (80602), 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 33 [2022-02-20 20:12:11,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 20:12:11,520 INFO L470 AbstractCegarLoop]: Abstraction has has 86 places, 83 transitions, 247 flow [2022-02-20 20:12:11,521 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 63.5) internal successors, (254), 4 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 20:12:11,521 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-02-20 20:12:11,521 INFO L254 CegarLoopForPetriNet]: 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] [2022-02-20 20:12:11,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 20:12:11,522 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 3 more)] === [2022-02-20 20:12:11,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 20:12:11,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1281600319, now seen corresponding path program 1 times [2022-02-20 20:12:11,523 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 20:12:11,524 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752006501] [2022-02-20 20:12:11,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 20:12:11,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 20:12:11,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 20:12:11,677 INFO L290 TraceCheckUtils]: 0: Hoare triple {22207#true} [397] ULTIMATE.startENTRY-->L-1: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {22207#true} is VALID [2022-02-20 20:12:11,677 INFO L290 TraceCheckUtils]: 1: Hoare triple {22207#true} [376] L-1-->L-1-1: Formula: (and (= |v_#NULL.base_1| 0) (= |v_#NULL.offset_1| 0)) InVars {} OutVars{#NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {22207#true} is VALID [2022-02-20 20:12:11,677 INFO L290 TraceCheckUtils]: 2: Hoare triple {22207#true} [405] L-1-1-->L-1-2: Formula: (= (select |v_#valid_1| 0) 0) InVars {#valid=|v_#valid_1|} OutVars{#valid=|v_#valid_1|} AuxVars[] AssignedVars[] {22207#true} is VALID [2022-02-20 20:12:11,678 INFO L290 TraceCheckUtils]: 3: Hoare triple {22207#true} [409] L-1-2-->L17: Formula: (< 0 |v_#StackHeapBarrier_1|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|} AuxVars[] AssignedVars[] {22207#true} is VALID [2022-02-20 20:12:11,678 INFO L290 TraceCheckUtils]: 4: Hoare triple {22207#true} [408] L17-->L17-1: Formula: (and (= (select |v_#valid_2| 1) 1) (= 2 (select |v_#length_1| 1))) InVars {#length=|v_#length_1|, #valid=|v_#valid_2|} OutVars{#length=|v_#length_1|, #valid=|v_#valid_2|} AuxVars[] AssignedVars[] {22207#true} is VALID [2022-02-20 20:12:11,678 INFO L290 TraceCheckUtils]: 5: Hoare triple {22207#true} [345] L17-1-->L17-2: Formula: (= 48 (select (select |v_#memory_int_1| 1) 0)) InVars {#memory_int=|v_#memory_int_1|} OutVars{#memory_int=|v_#memory_int_1|} AuxVars[] AssignedVars[] {22207#true} is VALID [2022-02-20 20:12:11,678 INFO L290 TraceCheckUtils]: 6: Hoare triple {22207#true} [338] L17-2-->L17-3: Formula: (= (select (select |v_#memory_int_2| 1) 1) 0) InVars {#memory_int=|v_#memory_int_2|} OutVars{#memory_int=|v_#memory_int_2|} AuxVars[] AssignedVars[] {22207#true} is VALID [2022-02-20 20:12:11,678 INFO L290 TraceCheckUtils]: 7: Hoare triple {22207#true} [355] L17-3-->L17-4: Formula: (and (= (select |v_#valid_3| 2) 1) (= (select |v_#length_2| 2) 17)) InVars {#length=|v_#length_2|, #valid=|v_#valid_3|} OutVars{#length=|v_#length_2|, #valid=|v_#valid_3|} AuxVars[] AssignedVars[] {22207#true} is VALID [2022-02-20 20:12:11,679 INFO L290 TraceCheckUtils]: 8: Hoare triple {22207#true} [334] L17-4-->L689: Formula: (= v_~g0~0_7 0) InVars {} OutVars{~g0~0=v_~g0~0_7} AuxVars[] AssignedVars[~g0~0] {22207#true} is VALID [2022-02-20 20:12:11,681 INFO L290 TraceCheckUtils]: 9: Hoare triple {22207#true} [343] L689-->L689-1: Formula: (= v_~g1~0_7 0) InVars {} OutVars{~g1~0=v_~g1~0_7} AuxVars[] AssignedVars[~g1~0] {22209#(= ~g1~0 0)} is VALID [2022-02-20 20:12:11,682 INFO L290 TraceCheckUtils]: 10: Hoare triple {22209#(= ~g1~0 0)} [352] L689-1-->L690: Formula: (= v_~x~0_2 0) InVars {} OutVars{~x~0=v_~x~0_2} AuxVars[] AssignedVars[~x~0] {22209#(= ~g1~0 0)} is VALID [2022-02-20 20:12:11,682 INFO L290 TraceCheckUtils]: 11: Hoare triple {22209#(= ~g1~0 0)} [400] L690-->L691: Formula: (= v_~lock~0_5 0) InVars {} OutVars{~lock~0=v_~lock~0_5} AuxVars[] AssignedVars[~lock~0] {22209#(= ~g1~0 0)} is VALID [2022-02-20 20:12:11,683 INFO L290 TraceCheckUtils]: 12: Hoare triple {22209#(= ~g1~0 0)} [372] L691-->L-1-3: Formula: (= v_~mutex~0_17 0) InVars {} OutVars{~mutex~0=v_~mutex~0_17} AuxVars[] AssignedVars[~mutex~0] {22209#(= ~g1~0 0)} is VALID [2022-02-20 20:12:11,683 INFO L290 TraceCheckUtils]: 13: Hoare triple {22209#(= ~g1~0 0)} [410] L-1-3-->L-1-4: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {22209#(= ~g1~0 0)} is VALID [2022-02-20 20:12:11,684 INFO L290 TraceCheckUtils]: 14: Hoare triple {22209#(= ~g1~0 0)} [386] L-1-4-->L-1-5: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {22209#(= ~g1~0 0)} is VALID [2022-02-20 20:12:11,684 INFO L290 TraceCheckUtils]: 15: Hoare triple {22209#(= ~g1~0 0)} [348] L-1-5-->L-1-6: Formula: true InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1] {22209#(= ~g1~0 0)} is VALID [2022-02-20 20:12:11,685 INFO L290 TraceCheckUtils]: 16: Hoare triple {22209#(= ~g1~0 0)} [385] L-1-6-->L735: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_1|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_1|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_1|, ULTIMATE.start_main_~#t~0#1.offset=|v_ULTIMATE.start_main_~#t~0#1.offset_1|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_1|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_1|, ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_1|, ULTIMATE.start_main_~#t~0#1.base=|v_ULTIMATE.start_main_~#t~0#1.base_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_~#t~0#1.offset, ULTIMATE.start_main_#t~nondet7#1, ULTIMATE.start_main_#t~pre8#1, ULTIMATE.start_main_#t~pre4#1, ULTIMATE.start_main_~#t~0#1.base] {22209#(= ~g1~0 0)} is VALID [2022-02-20 20:12:11,691 INFO L290 TraceCheckUtils]: 17: Hoare triple {22209#(= ~g1~0 0)} [406] L735-->L735-1: Formula: (and (not (= |v_ULTIMATE.start_main_~#t~0#1.base_2| 0)) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_~#t~0#1.base_2|) (= |v_ULTIMATE.start_main_~#t~0#1.offset_2| 0) (= |v_#length_3| (store |v_#length_4| |v_ULTIMATE.start_main_~#t~0#1.base_2| 4)) (= |v_#valid_4| (store |v_#valid_5| |v_ULTIMATE.start_main_~#t~0#1.base_2| 1)) (= (select |v_#valid_5| |v_ULTIMATE.start_main_~#t~0#1.base_2|) 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_4|, #valid=|v_#valid_5|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_3|, ULTIMATE.start_main_~#t~0#1.base=|v_ULTIMATE.start_main_~#t~0#1.base_2|, ULTIMATE.start_main_~#t~0#1.offset=|v_ULTIMATE.start_main_~#t~0#1.offset_2|, #valid=|v_#valid_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t~0#1.offset, #valid, #length, ULTIMATE.start_main_~#t~0#1.base] {22209#(= ~g1~0 0)} is VALID [2022-02-20 20:12:11,692 INFO L290 TraceCheckUtils]: 18: Hoare triple {22209#(= ~g1~0 0)} [412] L735-1-->L736: Formula: (= |v_ULTIMATE.start_main_#t~pre4#1_2| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{#pthreadsForks=|v_#pthreadsForks_1|, ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre4#1] {22209#(= ~g1~0 0)} is VALID [2022-02-20 20:12:11,692 INFO L290 TraceCheckUtils]: 19: Hoare triple {22209#(= ~g1~0 0)} [371] L736-->L736-1: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] {22209#(= ~g1~0 0)} is VALID [2022-02-20 20:12:11,693 INFO L290 TraceCheckUtils]: 20: Hoare triple {22209#(= ~g1~0 0)} [411] L736-1-->L736-2: Formula: (= (store |v_#memory_int_4| |v_ULTIMATE.start_main_~#t~0#1.base_3| (store (select |v_#memory_int_4| |v_ULTIMATE.start_main_~#t~0#1.base_3|) |v_ULTIMATE.start_main_~#t~0#1.offset_3| |v_ULTIMATE.start_main_#t~pre4#1_3|)) |v_#memory_int_3|) InVars {#memory_int=|v_#memory_int_4|, ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_3|, ULTIMATE.start_main_~#t~0#1.base=|v_ULTIMATE.start_main_~#t~0#1.base_3|, ULTIMATE.start_main_~#t~0#1.offset=|v_ULTIMATE.start_main_~#t~0#1.offset_3|} OutVars{#memory_int=|v_#memory_int_3|, ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_3|, ULTIMATE.start_main_~#t~0#1.base=|v_ULTIMATE.start_main_~#t~0#1.base_3|, ULTIMATE.start_main_~#t~0#1.offset=|v_ULTIMATE.start_main_~#t~0#1.offset_3|} AuxVars[] AssignedVars[#memory_int] {22209#(= ~g1~0 0)} is VALID [2022-02-20 20:12:11,693 INFO L290 TraceCheckUtils]: 21: Hoare triple {22209#(= ~g1~0 0)} [459] L736-2-->thr1ENTRY: Formula: (and (= |v_thr1Thread1of1ForFork0_#in~arg#1.base_4| 0) (= |v_thr1Thread1of1ForFork0_#in~arg#1.offset_4| 0) (= |v_ULTIMATE.start_main_#t~pre4#1_6| v_thr1Thread1of1ForFork0_thidvar0_2) (= v_thr1Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_6|} OutVars{thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1_6|, thr1Thread1of1ForFork0_#in~arg#1.base=|v_thr1Thread1of1ForFork0_#in~arg#1.base_4|, thr1Thread1of1ForFork0_#res#1.offset=|v_thr1Thread1of1ForFork0_#res#1.offset_4|, thr1Thread1of1ForFork0_~arg#1.offset=|v_thr1Thread1of1ForFork0_~arg#1.offset_4|, thr1Thread1of1ForFork0_thidvar0=v_thr1Thread1of1ForFork0_thidvar0_2, thr1Thread1of1ForFork0_~arg#1.base=|v_thr1Thread1of1ForFork0_~arg#1.base_4|, thr1Thread1of1ForFork0_thidvar1=v_thr1Thread1of1ForFork0_thidvar1_2, thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_6|, thr1Thread1of1ForFork0_#in~arg#1.offset=|v_thr1Thread1of1ForFork0_#in~arg#1.offset_4|, thr1Thread1of1ForFork0_#res#1.base=|v_thr1Thread1of1ForFork0_#res#1.base_4|, ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_6|} AuxVars[] AssignedVars[thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1, thr1Thread1of1ForFork0_#in~arg#1.base, thr1Thread1of1ForFork0_#res#1.offset, thr1Thread1of1ForFork0_~arg#1.offset, thr1Thread1of1ForFork0_thidvar0, thr1Thread1of1ForFork0_~arg#1.base, thr1Thread1of1ForFork0_thidvar1, thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thr1Thread1of1ForFork0_#in~arg#1.offset, thr1Thread1of1ForFork0_#res#1.base] {22209#(= ~g1~0 0)} is VALID [2022-02-20 20:12:11,695 INFO L290 TraceCheckUtils]: 22: Hoare triple {22209#(= ~g1~0 0)} [330] L736-3-->L736-4: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre4#1] {22209#(= ~g1~0 0)} is VALID [2022-02-20 20:12:11,696 INFO L290 TraceCheckUtils]: 23: Hoare triple {22209#(= ~g1~0 0)} [347] L736-4-->L737: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5#1] {22209#(= ~g1~0 0)} is VALID [2022-02-20 20:12:11,697 INFO L290 TraceCheckUtils]: 24: Hoare triple {22209#(= ~g1~0 0)} [357] L737-->L737-1: Formula: (= |v_ULTIMATE.start_main_#t~pre6#1_2| |v_#pthreadsForks_4|) InVars {#pthreadsForks=|v_#pthreadsForks_4|} OutVars{#pthreadsForks=|v_#pthreadsForks_4|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1] {22209#(= ~g1~0 0)} is VALID [2022-02-20 20:12:11,697 INFO L290 TraceCheckUtils]: 25: Hoare triple {22209#(= ~g1~0 0)} [368] L737-1-->L737-2: Formula: (= (+ 1 |v_#pthreadsForks_6|) |v_#pthreadsForks_5|) InVars {#pthreadsForks=|v_#pthreadsForks_6|} OutVars{#pthreadsForks=|v_#pthreadsForks_5|} AuxVars[] AssignedVars[#pthreadsForks] {22209#(= ~g1~0 0)} is VALID [2022-02-20 20:12:11,698 INFO L290 TraceCheckUtils]: 26: Hoare triple {22209#(= ~g1~0 0)} [358] L737-2-->L737-3: Formula: (= (store |v_#memory_int_6| |v_ULTIMATE.start_main_~#t~0#1.base_4| (store (select |v_#memory_int_6| |v_ULTIMATE.start_main_~#t~0#1.base_4|) |v_ULTIMATE.start_main_~#t~0#1.offset_4| |v_ULTIMATE.start_main_#t~pre6#1_3|)) |v_#memory_int_5|) InVars {#memory_int=|v_#memory_int_6|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_3|, ULTIMATE.start_main_~#t~0#1.base=|v_ULTIMATE.start_main_~#t~0#1.base_4|, ULTIMATE.start_main_~#t~0#1.offset=|v_ULTIMATE.start_main_~#t~0#1.offset_4|} OutVars{#memory_int=|v_#memory_int_5|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_3|, ULTIMATE.start_main_~#t~0#1.base=|v_ULTIMATE.start_main_~#t~0#1.base_4|, ULTIMATE.start_main_~#t~0#1.offset=|v_ULTIMATE.start_main_~#t~0#1.offset_4|} AuxVars[] AssignedVars[#memory_int] {22209#(= ~g1~0 0)} is VALID [2022-02-20 20:12:11,698 INFO L290 TraceCheckUtils]: 27: Hoare triple {22209#(= ~g1~0 0)} [463] L737-3-->thr2ENTRY: Formula: (and (= |v_thr2Thread1of1ForFork2_#in~arg#1.offset_4| 0) (= v_thr2Thread1of1ForFork2_thidvar1_2 0) (= |v_thr2Thread1of1ForFork2_#in~arg#1.base_4| 0) (= |v_ULTIMATE.start_main_#t~pre6#1_6| v_thr2Thread1of1ForFork2_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|} OutVars{thr2Thread1of1ForFork2_~arg#1.base=|v_thr2Thread1of1ForFork2_~arg#1.base_4|, thr2Thread1of1ForFork2_~arg#1.offset=|v_thr2Thread1of1ForFork2_~arg#1.offset_4|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|, thr2Thread1of1ForFork2_thidvar0=v_thr2Thread1of1ForFork2_thidvar0_2, thr2Thread1of1ForFork2_#in~arg#1.base=|v_thr2Thread1of1ForFork2_#in~arg#1.base_4|, thr2Thread1of1ForFork2_#res#1.offset=|v_thr2Thread1of1ForFork2_#res#1.offset_4|, thr2Thread1of1ForFork2_#in~arg#1.offset=|v_thr2Thread1of1ForFork2_#in~arg#1.offset_4|, thr2Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thr2Thread1of1ForFork2_assume_abort_if_not_~cond#1_6|, thr2Thread1of1ForFork2_thidvar1=v_thr2Thread1of1ForFork2_thidvar1_2, thr2Thread1of1ForFork2_#res#1.base=|v_thr2Thread1of1ForFork2_#res#1.base_4|, thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_6|} AuxVars[] AssignedVars[thr2Thread1of1ForFork2_~arg#1.base, thr2Thread1of1ForFork2_~arg#1.offset, thr2Thread1of1ForFork2_thidvar0, thr2Thread1of1ForFork2_#in~arg#1.base, thr2Thread1of1ForFork2_#res#1.offset, thr2Thread1of1ForFork2_#in~arg#1.offset, thr2Thread1of1ForFork2_assume_abort_if_not_~cond#1, thr2Thread1of1ForFork2_thidvar1, thr2Thread1of1ForFork2_#res#1.base, thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] {22209#(= ~g1~0 0)} is VALID [2022-02-20 20:12:11,699 INFO L290 TraceCheckUtils]: 28: Hoare triple {22209#(= ~g1~0 0)} [414] thr2ENTRY-->L723-8: Formula: (and (= |v_thr2Thread1of1ForFork2_~arg#1.offset_1| |v_thr2Thread1of1ForFork2_#in~arg#1.offset_1|) (= |v_thr2Thread1of1ForFork2_~arg#1.base_1| |v_thr2Thread1of1ForFork2_#in~arg#1.base_1|)) InVars {thr2Thread1of1ForFork2_#in~arg#1.base=|v_thr2Thread1of1ForFork2_#in~arg#1.base_1|, thr2Thread1of1ForFork2_#in~arg#1.offset=|v_thr2Thread1of1ForFork2_#in~arg#1.offset_1|} OutVars{thr2Thread1of1ForFork2_~arg#1.offset=|v_thr2Thread1of1ForFork2_~arg#1.offset_1|, thr2Thread1of1ForFork2_~arg#1.base=|v_thr2Thread1of1ForFork2_~arg#1.base_1|, thr2Thread1of1ForFork2_#in~arg#1.base=|v_thr2Thread1of1ForFork2_#in~arg#1.base_1|, thr2Thread1of1ForFork2_#in~arg#1.offset=|v_thr2Thread1of1ForFork2_#in~arg#1.offset_1|} AuxVars[] AssignedVars[thr2Thread1of1ForFork2_~arg#1.offset, thr2Thread1of1ForFork2_~arg#1.base] {22209#(= ~g1~0 0)} is VALID [2022-02-20 20:12:11,700 INFO L290 TraceCheckUtils]: 29: Hoare triple {22209#(= ~g1~0 0)} [417] L723-8-->L723-2: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {22209#(= ~g1~0 0)} is VALID [2022-02-20 20:12:11,702 INFO L290 TraceCheckUtils]: 30: Hoare triple {22209#(= ~g1~0 0)} [419] L723-2-->L723-3: Formula: (and (= |v_thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1| (ite (= v_~mutex~0_103 0) 1 0)) (not (= |v_thr2Thread1of1ForFork2_assume_abort_if_not_~cond#1_1| 0)) (= |v_thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1| |v_thr2Thread1of1ForFork2_assume_abort_if_not_~cond#1_1|) (= v_~mutex~0_102 1)) InVars {~mutex~0=v_~mutex~0_103} OutVars{thr2Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thr2Thread1of1ForFork2_assume_abort_if_not_~cond#1_1|, thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1|, ~mutex~0=v_~mutex~0_102} AuxVars[] AssignedVars[thr2Thread1of1ForFork2_assume_abort_if_not_~cond#1, thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, ~mutex~0] {22210#(and (= ~mutex~0 1) (= ~g1~0 0))} is VALID [2022-02-20 20:12:11,703 INFO L290 TraceCheckUtils]: 31: Hoare triple {22210#(and (= ~mutex~0 1) (= ~g1~0 0))} [450] thr1ENTRY-->L728: Formula: (and (= |v_thr1Thread1of1ForFork0_~arg#1.offset_1| |v_thr1Thread1of1ForFork0_#in~arg#1.offset_1|) (= |v_thr1Thread1of1ForFork0_~arg#1.base_1| |v_thr1Thread1of1ForFork0_#in~arg#1.base_1|)) InVars {thr1Thread1of1ForFork0_#in~arg#1.offset=|v_thr1Thread1of1ForFork0_#in~arg#1.offset_1|, thr1Thread1of1ForFork0_#in~arg#1.base=|v_thr1Thread1of1ForFork0_#in~arg#1.base_1|} OutVars{thr1Thread1of1ForFork0_#in~arg#1.offset=|v_thr1Thread1of1ForFork0_#in~arg#1.offset_1|, thr1Thread1of1ForFork0_#in~arg#1.base=|v_thr1Thread1of1ForFork0_#in~arg#1.base_1|, thr1Thread1of1ForFork0_~arg#1.offset=|v_thr1Thread1of1ForFork0_~arg#1.offset_1|, thr1Thread1of1ForFork0_~arg#1.base=|v_thr1Thread1of1ForFork0_~arg#1.base_1|} AuxVars[] AssignedVars[thr1Thread1of1ForFork0_~arg#1.offset, thr1Thread1of1ForFork0_~arg#1.base] {22210#(and (= ~mutex~0 1) (= ~g1~0 0))} is VALID [2022-02-20 20:12:11,704 INFO L290 TraceCheckUtils]: 32: Hoare triple {22210#(and (= ~mutex~0 1) (= ~g1~0 0))} [451] L728-->L728-1: Formula: (and (not (= |v_thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1_1| 0)) (= v_~mutex~0_126 1) (= |v_thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1_1| |v_thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1|) (= |v_thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1| (ite (= v_~mutex~0_127 0) 1 0))) InVars {~mutex~0=v_~mutex~0_127} OutVars{thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1_1|, thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1|, ~mutex~0=v_~mutex~0_126} AuxVars[] AssignedVars[thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1, thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, ~mutex~0] {22211#(= ~g1~0 1)} is VALID [2022-02-20 20:12:11,704 INFO L290 TraceCheckUtils]: 33: Hoare triple {22211#(= ~g1~0 1)} [452] L728-1-->L729: Formula: (= v_~g0~0_6 1) InVars {} OutVars{~g0~0=v_~g0~0_6} AuxVars[] AssignedVars[~g0~0] {22212#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:12:11,705 INFO L290 TraceCheckUtils]: 34: Hoare triple {22212#(= ~g1~0 ~g0~0)} [421] L723-3-->L723-4: Formula: (not (= v_~g0~0_1 v_~g1~0_1)) InVars {~g1~0=v_~g1~0_1, ~g0~0=v_~g0~0_1} OutVars{~g1~0=v_~g1~0_1, ~g0~0=v_~g0~0_1} AuxVars[] AssignedVars[] {22208#false} is VALID [2022-02-20 20:12:11,705 INFO L290 TraceCheckUtils]: 35: Hoare triple {22208#false} [423] L723-4-->thr2Err0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {22208#false} is VALID [2022-02-20 20:12:11,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 20:12:11,706 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 20:12:11,706 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752006501] [2022-02-20 20:12:11,706 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752006501] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 20:12:11,707 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 20:12:11,707 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-20 20:12:11,707 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245627517] [2022-02-20 20:12:11,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 20:12:11,709 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 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 36 [2022-02-20 20:12:11,709 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 20:12:11,709 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 6.0) internal successors, (36), 6 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 20:12:11,740 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 20:12:11,740 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-20 20:12:11,740 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 20:12:11,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-20 20:12:11,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-20 20:12:11,743 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 91 [2022-02-20 20:12:11,743 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 83 transitions, 247 flow. Second operand has 6 states, 6 states have (on average 62.5) internal successors, (375), 6 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 20:12:11,744 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-02-20 20:12:11,744 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 91 [2022-02-20 20:12:11,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-02-20 20:12:12,312 INFO L129 PetriNetUnfolder]: 340/994 cut-off events. [2022-02-20 20:12:12,313 INFO L130 PetriNetUnfolder]: For 324/336 co-relation queries the response was YES. [2022-02-20 20:12:12,317 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2034 conditions, 994 events. 340/994 cut-off events. For 324/336 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 6470 event pairs, 43 based on Foata normal form. 99/1048 useless extension candidates. Maximal degree in co-relation 1995. Up to 159 conditions per place. [2022-02-20 20:12:12,322 INFO L132 encePairwiseOnDemand]: 75/91 looper letters, 48 selfloop transitions, 28 changer transitions 0/128 dead transitions. [2022-02-20 20:12:12,322 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 128 transitions, 522 flow [2022-02-20 20:12:12,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-20 20:12:12,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-02-20 20:12:12,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 572 transitions. [2022-02-20 20:12:12,331 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7857142857142857 [2022-02-20 20:12:12,331 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 572 transitions. [2022-02-20 20:12:12,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 572 transitions. [2022-02-20 20:12:12,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-20 20:12:12,332 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 572 transitions. [2022-02-20 20:12:12,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 71.5) internal successors, (572), 8 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 20:12:12,336 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 91.0) internal successors, (819), 9 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 20:12:12,336 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 91.0) internal successors, (819), 9 states have internal predecessors, (819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 20:12:12,336 INFO L186 Difference]: Start difference. First operand has 86 places, 83 transitions, 247 flow. Second operand 8 states and 572 transitions. [2022-02-20 20:12:12,337 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 128 transitions, 522 flow [2022-02-20 20:12:12,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 128 transitions, 518 flow, removed 2 selfloop flow, removed 0 redundant places. [2022-02-20 20:12:12,558 INFO L242 Difference]: Finished difference. Result has 98 places, 100 transitions, 440 flow [2022-02-20 20:12:12,558 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=225, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=440, PETRI_PLACES=98, PETRI_TRANSITIONS=100} [2022-02-20 20:12:12,559 INFO L334 CegarLoopForPetriNet]: 91 programPoint places, 7 predicate places. [2022-02-20 20:12:12,559 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 98 places, 100 transitions, 440 flow [2022-02-20 20:12:13,198 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 19418 states, 19408 states have (on average 3.4845939818631493) internal successors, (67629), 19417 states have internal predecessors, (67629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 20:12:13,246 INFO L78 Accepts]: Start accepts. Automaton has has 19418 states, 19408 states have (on average 3.4845939818631493) internal successors, (67629), 19417 states have internal predecessors, (67629), 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 36 [2022-02-20 20:12:13,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 20:12:13,247 INFO L470 AbstractCegarLoop]: Abstraction has has 98 places, 100 transitions, 440 flow [2022-02-20 20:12:13,247 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 62.5) internal successors, (375), 6 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 20:12:13,247 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-02-20 20:12:13,247 INFO L254 CegarLoopForPetriNet]: 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] [2022-02-20 20:12:13,248 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 20:12:13,248 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 3 more)] === [2022-02-20 20:12:13,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 20:12:13,249 INFO L85 PathProgramCache]: Analyzing trace with hash 697487012, now seen corresponding path program 1 times [2022-02-20 20:12:13,249 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 20:12:13,249 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147018953] [2022-02-20 20:12:13,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 20:12:13,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 20:12:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 20:12:13,289 INFO L290 TraceCheckUtils]: 0: Hoare triple {41644#true} [397] ULTIMATE.startENTRY-->L-1: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {41644#true} is VALID [2022-02-20 20:12:13,290 INFO L290 TraceCheckUtils]: 1: Hoare triple {41644#true} [376] L-1-->L-1-1: Formula: (and (= |v_#NULL.base_1| 0) (= |v_#NULL.offset_1| 0)) InVars {} OutVars{#NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {41644#true} is VALID [2022-02-20 20:12:13,290 INFO L290 TraceCheckUtils]: 2: Hoare triple {41644#true} [405] L-1-1-->L-1-2: Formula: (= (select |v_#valid_1| 0) 0) InVars {#valid=|v_#valid_1|} OutVars{#valid=|v_#valid_1|} AuxVars[] AssignedVars[] {41644#true} is VALID [2022-02-20 20:12:13,290 INFO L290 TraceCheckUtils]: 3: Hoare triple {41644#true} [409] L-1-2-->L17: Formula: (< 0 |v_#StackHeapBarrier_1|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|} AuxVars[] AssignedVars[] {41644#true} is VALID [2022-02-20 20:12:13,290 INFO L290 TraceCheckUtils]: 4: Hoare triple {41644#true} [408] L17-->L17-1: Formula: (and (= (select |v_#valid_2| 1) 1) (= 2 (select |v_#length_1| 1))) InVars {#length=|v_#length_1|, #valid=|v_#valid_2|} OutVars{#length=|v_#length_1|, #valid=|v_#valid_2|} AuxVars[] AssignedVars[] {41644#true} is VALID [2022-02-20 20:12:13,291 INFO L290 TraceCheckUtils]: 5: Hoare triple {41644#true} [345] L17-1-->L17-2: Formula: (= 48 (select (select |v_#memory_int_1| 1) 0)) InVars {#memory_int=|v_#memory_int_1|} OutVars{#memory_int=|v_#memory_int_1|} AuxVars[] AssignedVars[] {41644#true} is VALID [2022-02-20 20:12:13,291 INFO L290 TraceCheckUtils]: 6: Hoare triple {41644#true} [338] L17-2-->L17-3: Formula: (= (select (select |v_#memory_int_2| 1) 1) 0) InVars {#memory_int=|v_#memory_int_2|} OutVars{#memory_int=|v_#memory_int_2|} AuxVars[] AssignedVars[] {41644#true} is VALID [2022-02-20 20:12:13,291 INFO L290 TraceCheckUtils]: 7: Hoare triple {41644#true} [355] L17-3-->L17-4: Formula: (and (= (select |v_#valid_3| 2) 1) (= (select |v_#length_2| 2) 17)) InVars {#length=|v_#length_2|, #valid=|v_#valid_3|} OutVars{#length=|v_#length_2|, #valid=|v_#valid_3|} AuxVars[] AssignedVars[] {41644#true} is VALID [2022-02-20 20:12:13,291 INFO L290 TraceCheckUtils]: 8: Hoare triple {41644#true} [334] L17-4-->L689: Formula: (= v_~g0~0_7 0) InVars {} OutVars{~g0~0=v_~g0~0_7} AuxVars[] AssignedVars[~g0~0] {41644#true} is VALID [2022-02-20 20:12:13,291 INFO L290 TraceCheckUtils]: 9: Hoare triple {41644#true} [343] L689-->L689-1: Formula: (= v_~g1~0_7 0) InVars {} OutVars{~g1~0=v_~g1~0_7} AuxVars[] AssignedVars[~g1~0] {41644#true} is VALID [2022-02-20 20:12:13,292 INFO L290 TraceCheckUtils]: 10: Hoare triple {41644#true} [352] L689-1-->L690: Formula: (= v_~x~0_2 0) InVars {} OutVars{~x~0=v_~x~0_2} AuxVars[] AssignedVars[~x~0] {41644#true} is VALID [2022-02-20 20:12:13,292 INFO L290 TraceCheckUtils]: 11: Hoare triple {41644#true} [400] L690-->L691: Formula: (= v_~lock~0_5 0) InVars {} OutVars{~lock~0=v_~lock~0_5} AuxVars[] AssignedVars[~lock~0] {41644#true} is VALID [2022-02-20 20:12:13,292 INFO L290 TraceCheckUtils]: 12: Hoare triple {41644#true} [372] L691-->L-1-3: Formula: (= v_~mutex~0_17 0) InVars {} OutVars{~mutex~0=v_~mutex~0_17} AuxVars[] AssignedVars[~mutex~0] {41644#true} is VALID [2022-02-20 20:12:13,292 INFO L290 TraceCheckUtils]: 13: Hoare triple {41644#true} [410] L-1-3-->L-1-4: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {41644#true} is VALID [2022-02-20 20:12:13,293 INFO L290 TraceCheckUtils]: 14: Hoare triple {41644#true} [386] L-1-4-->L-1-5: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {41644#true} is VALID [2022-02-20 20:12:13,293 INFO L290 TraceCheckUtils]: 15: Hoare triple {41644#true} [348] L-1-5-->L-1-6: Formula: true InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1] {41644#true} is VALID [2022-02-20 20:12:13,293 INFO L290 TraceCheckUtils]: 16: Hoare triple {41644#true} [385] L-1-6-->L735: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_1|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_1|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_1|, ULTIMATE.start_main_~#t~0#1.offset=|v_ULTIMATE.start_main_~#t~0#1.offset_1|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_1|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_1|, ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_1|, ULTIMATE.start_main_~#t~0#1.base=|v_ULTIMATE.start_main_~#t~0#1.base_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_~#t~0#1.offset, ULTIMATE.start_main_#t~nondet7#1, ULTIMATE.start_main_#t~pre8#1, ULTIMATE.start_main_#t~pre4#1, ULTIMATE.start_main_~#t~0#1.base] {41644#true} is VALID [2022-02-20 20:12:13,293 INFO L290 TraceCheckUtils]: 17: Hoare triple {41644#true} [406] L735-->L735-1: Formula: (and (not (= |v_ULTIMATE.start_main_~#t~0#1.base_2| 0)) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_~#t~0#1.base_2|) (= |v_ULTIMATE.start_main_~#t~0#1.offset_2| 0) (= |v_#length_3| (store |v_#length_4| |v_ULTIMATE.start_main_~#t~0#1.base_2| 4)) (= |v_#valid_4| (store |v_#valid_5| |v_ULTIMATE.start_main_~#t~0#1.base_2| 1)) (= (select |v_#valid_5| |v_ULTIMATE.start_main_~#t~0#1.base_2|) 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_4|, #valid=|v_#valid_5|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_3|, ULTIMATE.start_main_~#t~0#1.base=|v_ULTIMATE.start_main_~#t~0#1.base_2|, ULTIMATE.start_main_~#t~0#1.offset=|v_ULTIMATE.start_main_~#t~0#1.offset_2|, #valid=|v_#valid_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t~0#1.offset, #valid, #length, ULTIMATE.start_main_~#t~0#1.base] {41644#true} is VALID [2022-02-20 20:12:13,294 INFO L290 TraceCheckUtils]: 18: Hoare triple {41644#true} [412] L735-1-->L736: Formula: (= |v_ULTIMATE.start_main_#t~pre4#1_2| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{#pthreadsForks=|v_#pthreadsForks_1|, ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre4#1] {41644#true} is VALID [2022-02-20 20:12:13,294 INFO L290 TraceCheckUtils]: 19: Hoare triple {41644#true} [371] L736-->L736-1: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] {41644#true} is VALID [2022-02-20 20:12:13,294 INFO L290 TraceCheckUtils]: 20: Hoare triple {41644#true} [411] L736-1-->L736-2: Formula: (= (store |v_#memory_int_4| |v_ULTIMATE.start_main_~#t~0#1.base_3| (store (select |v_#memory_int_4| |v_ULTIMATE.start_main_~#t~0#1.base_3|) |v_ULTIMATE.start_main_~#t~0#1.offset_3| |v_ULTIMATE.start_main_#t~pre4#1_3|)) |v_#memory_int_3|) InVars {#memory_int=|v_#memory_int_4|, ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_3|, ULTIMATE.start_main_~#t~0#1.base=|v_ULTIMATE.start_main_~#t~0#1.base_3|, ULTIMATE.start_main_~#t~0#1.offset=|v_ULTIMATE.start_main_~#t~0#1.offset_3|} OutVars{#memory_int=|v_#memory_int_3|, ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_3|, ULTIMATE.start_main_~#t~0#1.base=|v_ULTIMATE.start_main_~#t~0#1.base_3|, ULTIMATE.start_main_~#t~0#1.offset=|v_ULTIMATE.start_main_~#t~0#1.offset_3|} AuxVars[] AssignedVars[#memory_int] {41644#true} is VALID [2022-02-20 20:12:13,294 INFO L290 TraceCheckUtils]: 21: Hoare triple {41644#true} [459] L736-2-->thr1ENTRY: Formula: (and (= |v_thr1Thread1of1ForFork0_#in~arg#1.base_4| 0) (= |v_thr1Thread1of1ForFork0_#in~arg#1.offset_4| 0) (= |v_ULTIMATE.start_main_#t~pre4#1_6| v_thr1Thread1of1ForFork0_thidvar0_2) (= v_thr1Thread1of1ForFork0_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_6|} OutVars{thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1_6|, thr1Thread1of1ForFork0_#in~arg#1.base=|v_thr1Thread1of1ForFork0_#in~arg#1.base_4|, thr1Thread1of1ForFork0_#res#1.offset=|v_thr1Thread1of1ForFork0_#res#1.offset_4|, thr1Thread1of1ForFork0_~arg#1.offset=|v_thr1Thread1of1ForFork0_~arg#1.offset_4|, thr1Thread1of1ForFork0_thidvar0=v_thr1Thread1of1ForFork0_thidvar0_2, thr1Thread1of1ForFork0_~arg#1.base=|v_thr1Thread1of1ForFork0_~arg#1.base_4|, thr1Thread1of1ForFork0_thidvar1=v_thr1Thread1of1ForFork0_thidvar1_2, thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_6|, thr1Thread1of1ForFork0_#in~arg#1.offset=|v_thr1Thread1of1ForFork0_#in~arg#1.offset_4|, thr1Thread1of1ForFork0_#res#1.base=|v_thr1Thread1of1ForFork0_#res#1.base_4|, ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_6|} AuxVars[] AssignedVars[thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1, thr1Thread1of1ForFork0_#in~arg#1.base, thr1Thread1of1ForFork0_#res#1.offset, thr1Thread1of1ForFork0_~arg#1.offset, thr1Thread1of1ForFork0_thidvar0, thr1Thread1of1ForFork0_~arg#1.base, thr1Thread1of1ForFork0_thidvar1, thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thr1Thread1of1ForFork0_#in~arg#1.offset, thr1Thread1of1ForFork0_#res#1.base] {41644#true} is VALID [2022-02-20 20:12:13,295 INFO L290 TraceCheckUtils]: 22: Hoare triple {41644#true} [330] L736-3-->L736-4: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre4#1] {41644#true} is VALID [2022-02-20 20:12:13,295 INFO L290 TraceCheckUtils]: 23: Hoare triple {41644#true} [347] L736-4-->L737: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5#1] {41644#true} is VALID [2022-02-20 20:12:13,295 INFO L290 TraceCheckUtils]: 24: Hoare triple {41644#true} [357] L737-->L737-1: Formula: (= |v_ULTIMATE.start_main_#t~pre6#1_2| |v_#pthreadsForks_4|) InVars {#pthreadsForks=|v_#pthreadsForks_4|} OutVars{#pthreadsForks=|v_#pthreadsForks_4|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1] {41644#true} is VALID [2022-02-20 20:12:13,295 INFO L290 TraceCheckUtils]: 25: Hoare triple {41644#true} [368] L737-1-->L737-2: Formula: (= (+ 1 |v_#pthreadsForks_6|) |v_#pthreadsForks_5|) InVars {#pthreadsForks=|v_#pthreadsForks_6|} OutVars{#pthreadsForks=|v_#pthreadsForks_5|} AuxVars[] AssignedVars[#pthreadsForks] {41644#true} is VALID [2022-02-20 20:12:13,295 INFO L290 TraceCheckUtils]: 26: Hoare triple {41644#true} [358] L737-2-->L737-3: Formula: (= (store |v_#memory_int_6| |v_ULTIMATE.start_main_~#t~0#1.base_4| (store (select |v_#memory_int_6| |v_ULTIMATE.start_main_~#t~0#1.base_4|) |v_ULTIMATE.start_main_~#t~0#1.offset_4| |v_ULTIMATE.start_main_#t~pre6#1_3|)) |v_#memory_int_5|) InVars {#memory_int=|v_#memory_int_6|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_3|, ULTIMATE.start_main_~#t~0#1.base=|v_ULTIMATE.start_main_~#t~0#1.base_4|, ULTIMATE.start_main_~#t~0#1.offset=|v_ULTIMATE.start_main_~#t~0#1.offset_4|} OutVars{#memory_int=|v_#memory_int_5|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_3|, ULTIMATE.start_main_~#t~0#1.base=|v_ULTIMATE.start_main_~#t~0#1.base_4|, ULTIMATE.start_main_~#t~0#1.offset=|v_ULTIMATE.start_main_~#t~0#1.offset_4|} AuxVars[] AssignedVars[#memory_int] {41644#true} is VALID [2022-02-20 20:12:13,296 INFO L290 TraceCheckUtils]: 27: Hoare triple {41644#true} [463] L737-3-->thr2ENTRY: Formula: (and (= |v_thr2Thread1of1ForFork2_#in~arg#1.offset_4| 0) (= v_thr2Thread1of1ForFork2_thidvar1_2 0) (= |v_thr2Thread1of1ForFork2_#in~arg#1.base_4| 0) (= |v_ULTIMATE.start_main_#t~pre6#1_6| v_thr2Thread1of1ForFork2_thidvar0_2)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|} OutVars{thr2Thread1of1ForFork2_~arg#1.base=|v_thr2Thread1of1ForFork2_~arg#1.base_4|, thr2Thread1of1ForFork2_~arg#1.offset=|v_thr2Thread1of1ForFork2_~arg#1.offset_4|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_6|, thr2Thread1of1ForFork2_thidvar0=v_thr2Thread1of1ForFork2_thidvar0_2, thr2Thread1of1ForFork2_#in~arg#1.base=|v_thr2Thread1of1ForFork2_#in~arg#1.base_4|, thr2Thread1of1ForFork2_#res#1.offset=|v_thr2Thread1of1ForFork2_#res#1.offset_4|, thr2Thread1of1ForFork2_#in~arg#1.offset=|v_thr2Thread1of1ForFork2_#in~arg#1.offset_4|, thr2Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thr2Thread1of1ForFork2_assume_abort_if_not_~cond#1_6|, thr2Thread1of1ForFork2_thidvar1=v_thr2Thread1of1ForFork2_thidvar1_2, thr2Thread1of1ForFork2_#res#1.base=|v_thr2Thread1of1ForFork2_#res#1.base_4|, thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_6|} AuxVars[] AssignedVars[thr2Thread1of1ForFork2_~arg#1.base, thr2Thread1of1ForFork2_~arg#1.offset, thr2Thread1of1ForFork2_thidvar0, thr2Thread1of1ForFork2_#in~arg#1.base, thr2Thread1of1ForFork2_#res#1.offset, thr2Thread1of1ForFork2_#in~arg#1.offset, thr2Thread1of1ForFork2_assume_abort_if_not_~cond#1, thr2Thread1of1ForFork2_thidvar1, thr2Thread1of1ForFork2_#res#1.base, thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1] {41644#true} is VALID [2022-02-20 20:12:13,296 INFO L290 TraceCheckUtils]: 28: Hoare triple {41644#true} [414] thr2ENTRY-->L723-8: Formula: (and (= |v_thr2Thread1of1ForFork2_~arg#1.offset_1| |v_thr2Thread1of1ForFork2_#in~arg#1.offset_1|) (= |v_thr2Thread1of1ForFork2_~arg#1.base_1| |v_thr2Thread1of1ForFork2_#in~arg#1.base_1|)) InVars {thr2Thread1of1ForFork2_#in~arg#1.base=|v_thr2Thread1of1ForFork2_#in~arg#1.base_1|, thr2Thread1of1ForFork2_#in~arg#1.offset=|v_thr2Thread1of1ForFork2_#in~arg#1.offset_1|} OutVars{thr2Thread1of1ForFork2_~arg#1.offset=|v_thr2Thread1of1ForFork2_~arg#1.offset_1|, thr2Thread1of1ForFork2_~arg#1.base=|v_thr2Thread1of1ForFork2_~arg#1.base_1|, thr2Thread1of1ForFork2_#in~arg#1.base=|v_thr2Thread1of1ForFork2_#in~arg#1.base_1|, thr2Thread1of1ForFork2_#in~arg#1.offset=|v_thr2Thread1of1ForFork2_#in~arg#1.offset_1|} AuxVars[] AssignedVars[thr2Thread1of1ForFork2_~arg#1.offset, thr2Thread1of1ForFork2_~arg#1.base] {41644#true} is VALID [2022-02-20 20:12:13,296 INFO L290 TraceCheckUtils]: 29: Hoare triple {41644#true} [417] L723-8-->L723-2: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {41644#true} is VALID [2022-02-20 20:12:13,296 INFO L290 TraceCheckUtils]: 30: Hoare triple {41644#true} [450] thr1ENTRY-->L728: Formula: (and (= |v_thr1Thread1of1ForFork0_~arg#1.offset_1| |v_thr1Thread1of1ForFork0_#in~arg#1.offset_1|) (= |v_thr1Thread1of1ForFork0_~arg#1.base_1| |v_thr1Thread1of1ForFork0_#in~arg#1.base_1|)) InVars {thr1Thread1of1ForFork0_#in~arg#1.offset=|v_thr1Thread1of1ForFork0_#in~arg#1.offset_1|, thr1Thread1of1ForFork0_#in~arg#1.base=|v_thr1Thread1of1ForFork0_#in~arg#1.base_1|} OutVars{thr1Thread1of1ForFork0_#in~arg#1.offset=|v_thr1Thread1of1ForFork0_#in~arg#1.offset_1|, thr1Thread1of1ForFork0_#in~arg#1.base=|v_thr1Thread1of1ForFork0_#in~arg#1.base_1|, thr1Thread1of1ForFork0_~arg#1.offset=|v_thr1Thread1of1ForFork0_~arg#1.offset_1|, thr1Thread1of1ForFork0_~arg#1.base=|v_thr1Thread1of1ForFork0_~arg#1.base_1|} AuxVars[] AssignedVars[thr1Thread1of1ForFork0_~arg#1.offset, thr1Thread1of1ForFork0_~arg#1.base] {41644#true} is VALID [2022-02-20 20:12:13,297 INFO L290 TraceCheckUtils]: 31: Hoare triple {41644#true} [451] L728-->L728-1: Formula: (and (not (= |v_thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1_1| 0)) (= v_~mutex~0_126 1) (= |v_thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1_1| |v_thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1|) (= |v_thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1| (ite (= v_~mutex~0_127 0) 1 0))) InVars {~mutex~0=v_~mutex~0_127} OutVars{thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1_1|, thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_1|, ~mutex~0=v_~mutex~0_126} AuxVars[] AssignedVars[thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1, thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, ~mutex~0] {41644#true} is VALID [2022-02-20 20:12:13,297 INFO L290 TraceCheckUtils]: 32: Hoare triple {41644#true} [452] L728-1-->L729: Formula: (= v_~g0~0_6 1) InVars {} OutVars{~g0~0=v_~g0~0_6} AuxVars[] AssignedVars[~g0~0] {41646#(= ~g0~0 1)} is VALID [2022-02-20 20:12:13,298 INFO L290 TraceCheckUtils]: 33: Hoare triple {41646#(= ~g0~0 1)} [453] L729-->L730: Formula: (= v_~g1~0_6 1) InVars {} OutVars{~g1~0=v_~g1~0_6} AuxVars[] AssignedVars[~g1~0] {41647#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:12:13,298 INFO L290 TraceCheckUtils]: 34: Hoare triple {41647#(= ~g1~0 ~g0~0)} [419] L723-2-->L723-3: Formula: (and (= |v_thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1| (ite (= v_~mutex~0_103 0) 1 0)) (not (= |v_thr2Thread1of1ForFork2_assume_abort_if_not_~cond#1_1| 0)) (= |v_thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1| |v_thr2Thread1of1ForFork2_assume_abort_if_not_~cond#1_1|) (= v_~mutex~0_102 1)) InVars {~mutex~0=v_~mutex~0_103} OutVars{thr2Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thr2Thread1of1ForFork2_assume_abort_if_not_~cond#1_1|, thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_1|, ~mutex~0=v_~mutex~0_102} AuxVars[] AssignedVars[thr2Thread1of1ForFork2_assume_abort_if_not_~cond#1, thr2Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, ~mutex~0] {41647#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:12:13,299 INFO L290 TraceCheckUtils]: 35: Hoare triple {41647#(= ~g1~0 ~g0~0)} [421] L723-3-->L723-4: Formula: (not (= v_~g0~0_1 v_~g1~0_1)) InVars {~g1~0=v_~g1~0_1, ~g0~0=v_~g0~0_1} OutVars{~g1~0=v_~g1~0_1, ~g0~0=v_~g0~0_1} AuxVars[] AssignedVars[] {41645#false} is VALID [2022-02-20 20:12:13,299 INFO L290 TraceCheckUtils]: 36: Hoare triple {41645#false} [423] L723-4-->thr2Err0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {41645#false} is VALID [2022-02-20 20:12:13,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 20:12:13,300 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 20:12:13,300 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147018953] [2022-02-20 20:12:13,300 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147018953] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 20:12:13,300 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 20:12:13,300 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 20:12:13,301 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731871134] [2022-02-20 20:12:13,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 20:12:13,301 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 37 [2022-02-20 20:12:13,301 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 20:12:13,302 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 20:12:13,327 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 20:12:13,327 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 20:12:13,328 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 20:12:13,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 20:12:13,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 20:12:13,330 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 62 out of 91 [2022-02-20 20:12:13,330 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 100 transitions, 440 flow. Second operand has 4 states, 4 states have (on average 64.25) internal successors, (257), 4 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 20:12:13,330 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-02-20 20:12:13,331 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 62 of 91 [2022-02-20 20:12:13,331 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-02-20 20:12:13,849 INFO L129 PetriNetUnfolder]: 298/956 cut-off events. [2022-02-20 20:12:13,850 INFO L130 PetriNetUnfolder]: For 1483/1501 co-relation queries the response was YES. [2022-02-20 20:12:13,854 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2997 conditions, 956 events. 298/956 cut-off events. For 1483/1501 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 6246 event pairs, 76 based on Foata normal form. 29/923 useless extension candidates. Maximal degree in co-relation 2952. Up to 320 conditions per place. [2022-02-20 20:12:13,860 INFO L132 encePairwiseOnDemand]: 84/91 looper letters, 59 selfloop transitions, 12 changer transitions 0/124 dead transitions. [2022-02-20 20:12:13,868 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 124 transitions, 737 flow [2022-02-20 20:12:13,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 20:12:13,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-02-20 20:12:13,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 360 transitions. [2022-02-20 20:12:13,873 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7912087912087912 [2022-02-20 20:12:13,873 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 360 transitions. [2022-02-20 20:12:13,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 360 transitions. [2022-02-20 20:12:13,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-20 20:12:13,873 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 360 transitions. [2022-02-20 20:12:13,875 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 72.0) internal successors, (360), 5 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 20:12:13,876 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 91.0) internal successors, (546), 6 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 20:12:13,876 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 91.0) internal successors, (546), 6 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 20:12:13,876 INFO L186 Difference]: Start difference. First operand has 98 places, 100 transitions, 440 flow. Second operand 5 states and 360 transitions. [2022-02-20 20:12:13,876 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 124 transitions, 737 flow [2022-02-20 20:13:06,236 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 124 transitions, 730 flow, removed 3 selfloop flow, removed 1 redundant places. [2022-02-20 20:13:06,241 INFO L242 Difference]: Finished difference. Result has 103 places, 102 transitions, 496 flow [2022-02-20 20:13:06,242 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=91, PETRI_DIFFERENCE_MINUEND_FLOW=433, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=496, PETRI_PLACES=103, PETRI_TRANSITIONS=102} [2022-02-20 20:13:06,244 INFO L334 CegarLoopForPetriNet]: 91 programPoint places, 12 predicate places. [2022-02-20 20:13:06,244 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 103 places, 102 transitions, 496 flow [2022-02-20 20:13:06,979 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 17428 states, 17420 states have (on average 3.4677956371986225) internal successors, (60409), 17427 states have internal predecessors, (60409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 20:13:07,005 INFO L78 Accepts]: Start accepts. Automaton has has 17428 states, 17420 states have (on average 3.4677956371986225) internal successors, (60409), 17427 states have internal predecessors, (60409), 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 37 [2022-02-20 20:13:07,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 20:13:07,005 INFO L470 AbstractCegarLoop]: Abstraction has has 103 places, 102 transitions, 496 flow [2022-02-20 20:13:07,006 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 64.25) internal successors, (257), 4 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 20:13:07,006 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-02-20 20:13:07,006 INFO L254 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 20:13:07,006 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 20:13:07,006 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 3 more)] === [2022-02-20 20:13:07,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 20:13:07,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1826699581, now seen corresponding path program 1 times [2022-02-20 20:13:07,007 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 20:13:07,007 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984047208] [2022-02-20 20:13:07,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 20:13:07,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 20:13:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 20:13:07,038 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-20 20:13:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 20:13:07,074 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-20 20:13:07,074 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-20 20:13:07,075 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (6 of 7 remaining) [2022-02-20 20:13:07,077 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2022-02-20 20:13:07,077 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2022-02-20 20:13:07,077 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (3 of 7 remaining) [2022-02-20 20:13:07,077 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION (2 of 7 remaining) [2022-02-20 20:13:07,078 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2022-02-20 20:13:07,078 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thr3Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2022-02-20 20:13:07,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 20:13:07,081 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-20 20:13:07,083 WARN L235 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-20 20:13:07,083 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-02-20 20:13:07,101 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,101 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,102 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,102 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,102 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,102 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,102 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,102 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,103 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,103 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,103 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,103 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,103 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,103 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,103 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,104 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,104 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,104 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,104 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,105 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,105 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,105 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,105 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,105 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,105 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,106 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,106 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,106 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,106 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,106 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,106 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,106 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,107 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,107 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,107 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,107 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,107 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,108 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,108 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,108 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,108 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,108 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,109 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,109 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,109 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,109 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,109 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,109 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,109 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,110 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,110 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,110 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,110 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,112 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,116 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,116 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,117 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,117 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,117 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,117 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,117 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,117 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,118 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,118 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,118 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,118 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,118 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,118 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,119 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,119 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,119 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,120 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,120 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,120 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,120 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,120 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,121 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,121 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,123 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,123 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,123 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,123 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,123 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,123 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,124 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,124 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,124 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,124 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,124 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,124 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,125 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,128 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,129 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,130 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,130 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,130 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,130 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,130 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,130 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,130 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,131 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,131 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,131 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,131 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,131 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,132 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,132 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,132 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,132 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,132 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,133 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,133 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,133 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,133 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,133 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,134 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,134 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,134 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,134 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,134 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,134 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,135 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,135 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,135 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,135 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,135 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,135 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,136 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,138 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,138 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,138 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,138 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,138 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,139 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,139 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,139 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,139 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,140 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,140 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,140 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,140 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,140 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,140 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,140 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,141 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,141 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,141 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,141 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,141 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,141 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,142 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,142 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,142 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,142 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,142 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,142 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,143 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,143 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,143 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,143 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,144 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,144 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,144 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,144 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,144 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,145 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,145 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,145 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,145 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,145 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,146 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,146 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,146 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,146 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,146 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread1of2ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,147 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,147 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,147 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,147 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,147 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,148 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,148 WARN L322 ript$VariableManager]: TermVariabe |thr3Thread2of2ForFork1_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,148 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,148 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,148 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,149 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,149 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,149 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread1of2ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,150 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,150 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,150 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,150 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,150 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,151 WARN L322 ript$VariableManager]: TermVariabe |thr2Thread2of2ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:13:07,151 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-20 20:13:07,152 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 20:13:07,153 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 20:13:07,153 INFO L340 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-02-20 20:13:07,155 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 140 places, 138 transitions, 312 flow [2022-02-20 20:13:07,171 INFO L129 PetriNetUnfolder]: 12/137 cut-off events. [2022-02-20 20:13:07,171 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-02-20 20:13:07,172 INFO L84 FinitePrefix]: Finished finitePrefix Result has 155 conditions, 137 events. 12/137 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 281 event pairs, 0 based on Foata normal form. 0/119 useless extension candidates. Maximal degree in co-relation 148. Up to 6 conditions per place. [2022-02-20 20:13:07,172 INFO L82 GeneralOperation]: Start removeDead. Operand has 140 places, 138 transitions, 312 flow [2022-02-20 20:13:07,174 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 114 places, 113 transitions, 244 flow [2022-02-20 20:13:07,178 INFO L129 PetriNetUnfolder]: 3/53 cut-off events. [2022-02-20 20:13:07,178 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-02-20 20:13:07,178 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-02-20 20:13:07,178 INFO L254 CegarLoopForPetriNet]: 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] [2022-02-20 20:13:07,179 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr2Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr2Err0ASSERT_VIOLATIONERROR_FUNCTION, thr3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION (and 5 more)] === [2022-02-20 20:13:07,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 20:13:07,179 INFO L85 PathProgramCache]: Analyzing trace with hash 242664739, now seen corresponding path program 1 times [2022-02-20 20:13:07,179 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 20:13:07,179 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191472664] [2022-02-20 20:13:07,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 20:13:07,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 20:13:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 20:13:07,217 INFO L290 TraceCheckUtils]: 0: Hoare triple {143#true} [535] ULTIMATE.startENTRY-->L-1: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {143#true} is VALID [2022-02-20 20:13:07,217 INFO L290 TraceCheckUtils]: 1: Hoare triple {143#true} [514] L-1-->L-1-1: Formula: (and (= |v_#NULL.base_1| 0) (= |v_#NULL.offset_1| 0)) InVars {} OutVars{#NULL.offset=|v_#NULL.offset_1|, #NULL.base=|v_#NULL.base_1|} AuxVars[] AssignedVars[#NULL.offset, #NULL.base] {143#true} is VALID [2022-02-20 20:13:07,218 INFO L290 TraceCheckUtils]: 2: Hoare triple {143#true} [543] L-1-1-->L-1-2: Formula: (= (select |v_#valid_1| 0) 0) InVars {#valid=|v_#valid_1|} OutVars{#valid=|v_#valid_1|} AuxVars[] AssignedVars[] {143#true} is VALID [2022-02-20 20:13:07,218 INFO L290 TraceCheckUtils]: 3: Hoare triple {143#true} [547] L-1-2-->L17: Formula: (< 0 |v_#StackHeapBarrier_1|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|} AuxVars[] AssignedVars[] {143#true} is VALID [2022-02-20 20:13:07,218 INFO L290 TraceCheckUtils]: 4: Hoare triple {143#true} [546] L17-->L17-1: Formula: (and (= (select |v_#valid_2| 1) 1) (= 2 (select |v_#length_1| 1))) InVars {#length=|v_#length_1|, #valid=|v_#valid_2|} OutVars{#length=|v_#length_1|, #valid=|v_#valid_2|} AuxVars[] AssignedVars[] {143#true} is VALID [2022-02-20 20:13:07,218 INFO L290 TraceCheckUtils]: 5: Hoare triple {143#true} [483] L17-1-->L17-2: Formula: (= 48 (select (select |v_#memory_int_1| 1) 0)) InVars {#memory_int=|v_#memory_int_1|} OutVars{#memory_int=|v_#memory_int_1|} AuxVars[] AssignedVars[] {143#true} is VALID [2022-02-20 20:13:07,218 INFO L290 TraceCheckUtils]: 6: Hoare triple {143#true} [476] L17-2-->L17-3: Formula: (= (select (select |v_#memory_int_2| 1) 1) 0) InVars {#memory_int=|v_#memory_int_2|} OutVars{#memory_int=|v_#memory_int_2|} AuxVars[] AssignedVars[] {143#true} is VALID [2022-02-20 20:13:07,219 INFO L290 TraceCheckUtils]: 7: Hoare triple {143#true} [493] L17-3-->L17-4: Formula: (and (= (select |v_#valid_3| 2) 1) (= (select |v_#length_2| 2) 17)) InVars {#length=|v_#length_2|, #valid=|v_#valid_3|} OutVars{#length=|v_#length_2|, #valid=|v_#valid_3|} AuxVars[] AssignedVars[] {143#true} is VALID [2022-02-20 20:13:07,219 INFO L290 TraceCheckUtils]: 8: Hoare triple {143#true} [472] L17-4-->L689: Formula: (= v_~g0~0_7 0) InVars {} OutVars{~g0~0=v_~g0~0_7} AuxVars[] AssignedVars[~g0~0] {145#(= ~g0~0 0)} is VALID [2022-02-20 20:13:07,220 INFO L290 TraceCheckUtils]: 9: Hoare triple {145#(= ~g0~0 0)} [481] L689-->L689-1: Formula: (= v_~g1~0_7 0) InVars {} OutVars{~g1~0=v_~g1~0_7} AuxVars[] AssignedVars[~g1~0] {146#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:13:07,220 INFO L290 TraceCheckUtils]: 10: Hoare triple {146#(= ~g1~0 ~g0~0)} [490] L689-1-->L690: Formula: (= v_~x~0_2 0) InVars {} OutVars{~x~0=v_~x~0_2} AuxVars[] AssignedVars[~x~0] {146#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:13:07,221 INFO L290 TraceCheckUtils]: 11: Hoare triple {146#(= ~g1~0 ~g0~0)} [538] L690-->L691: Formula: (= v_~lock~0_5 0) InVars {} OutVars{~lock~0=v_~lock~0_5} AuxVars[] AssignedVars[~lock~0] {146#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:13:07,221 INFO L290 TraceCheckUtils]: 12: Hoare triple {146#(= ~g1~0 ~g0~0)} [510] L691-->L-1-3: Formula: (= v_~mutex~0_17 0) InVars {} OutVars{~mutex~0=v_~mutex~0_17} AuxVars[] AssignedVars[~mutex~0] {146#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:13:07,222 INFO L290 TraceCheckUtils]: 13: Hoare triple {146#(= ~g1~0 ~g0~0)} [548] L-1-3-->L-1-4: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {146#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:13:07,222 INFO L290 TraceCheckUtils]: 14: Hoare triple {146#(= ~g1~0 ~g0~0)} [524] L-1-4-->L-1-5: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {146#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:13:07,222 INFO L290 TraceCheckUtils]: 15: Hoare triple {146#(= ~g1~0 ~g0~0)} [486] L-1-5-->L-1-6: Formula: true InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1] {146#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:13:07,223 INFO L290 TraceCheckUtils]: 16: Hoare triple {146#(= ~g1~0 ~g0~0)} [523] L-1-6-->L735: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_1|, ULTIMATE.start_main_#t~nondet9#1=|v_ULTIMATE.start_main_#t~nondet9#1_1|, ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_1|, ULTIMATE.start_main_~#t~0#1.offset=|v_ULTIMATE.start_main_~#t~0#1.offset_1|, ULTIMATE.start_main_#t~nondet7#1=|v_ULTIMATE.start_main_#t~nondet7#1_1|, ULTIMATE.start_main_#t~pre8#1=|v_ULTIMATE.start_main_#t~pre8#1_1|, ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_1|, ULTIMATE.start_main_~#t~0#1.base=|v_ULTIMATE.start_main_~#t~0#1.base_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1, ULTIMATE.start_main_#t~nondet9#1, ULTIMATE.start_main_#t~nondet5#1, ULTIMATE.start_main_~#t~0#1.offset, ULTIMATE.start_main_#t~nondet7#1, ULTIMATE.start_main_#t~pre8#1, ULTIMATE.start_main_#t~pre4#1, ULTIMATE.start_main_~#t~0#1.base] {146#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:13:07,223 INFO L290 TraceCheckUtils]: 17: Hoare triple {146#(= ~g1~0 ~g0~0)} [544] L735-->L735-1: Formula: (and (not (= |v_ULTIMATE.start_main_~#t~0#1.base_2| 0)) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_~#t~0#1.base_2|) (= |v_ULTIMATE.start_main_~#t~0#1.offset_2| 0) (= |v_#length_3| (store |v_#length_4| |v_ULTIMATE.start_main_~#t~0#1.base_2| 4)) (= |v_#valid_4| (store |v_#valid_5| |v_ULTIMATE.start_main_~#t~0#1.base_2| 1)) (= (select |v_#valid_5| |v_ULTIMATE.start_main_~#t~0#1.base_2|) 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_4|, #valid=|v_#valid_5|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_3|, ULTIMATE.start_main_~#t~0#1.base=|v_ULTIMATE.start_main_~#t~0#1.base_2|, ULTIMATE.start_main_~#t~0#1.offset=|v_ULTIMATE.start_main_~#t~0#1.offset_2|, #valid=|v_#valid_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t~0#1.offset, #valid, #length, ULTIMATE.start_main_~#t~0#1.base] {146#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:13:07,224 INFO L290 TraceCheckUtils]: 18: Hoare triple {146#(= ~g1~0 ~g0~0)} [550] L735-1-->L736: Formula: (= |v_ULTIMATE.start_main_#t~pre4#1_2| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{#pthreadsForks=|v_#pthreadsForks_1|, ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre4#1] {146#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:13:07,224 INFO L290 TraceCheckUtils]: 19: Hoare triple {146#(= ~g1~0 ~g0~0)} [509] L736-->L736-1: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] {146#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:13:07,224 INFO L290 TraceCheckUtils]: 20: Hoare triple {146#(= ~g1~0 ~g0~0)} [549] L736-1-->L736-2: Formula: (= (store |v_#memory_int_4| |v_ULTIMATE.start_main_~#t~0#1.base_3| (store (select |v_#memory_int_4| |v_ULTIMATE.start_main_~#t~0#1.base_3|) |v_ULTIMATE.start_main_~#t~0#1.offset_3| |v_ULTIMATE.start_main_#t~pre4#1_3|)) |v_#memory_int_3|) InVars {#memory_int=|v_#memory_int_4|, ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_3|, ULTIMATE.start_main_~#t~0#1.base=|v_ULTIMATE.start_main_~#t~0#1.base_3|, ULTIMATE.start_main_~#t~0#1.offset=|v_ULTIMATE.start_main_~#t~0#1.offset_3|} OutVars{#memory_int=|v_#memory_int_3|, ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_3|, ULTIMATE.start_main_~#t~0#1.base=|v_ULTIMATE.start_main_~#t~0#1.base_3|, ULTIMATE.start_main_~#t~0#1.offset=|v_ULTIMATE.start_main_~#t~0#1.offset_3|} AuxVars[] AssignedVars[#memory_int] {146#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:13:07,225 INFO L290 TraceCheckUtils]: 21: Hoare triple {146#(= ~g1~0 ~g0~0)} [641] L736-2-->thr1ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre4#1_8| v_thr1Thread1of2ForFork0_thidvar0_2) (= |v_thr1Thread1of2ForFork0_#in~arg#1.base_4| 0) (= v_thr1Thread1of2ForFork0_thidvar1_2 0) (= |v_thr1Thread1of2ForFork0_#in~arg#1.offset_4| 0)) InVars {ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_8|} OutVars{thr1Thread1of2ForFork0_#res#1.base=|v_thr1Thread1of2ForFork0_#res#1.base_4|, thr1Thread1of2ForFork0_~arg#1.base=|v_thr1Thread1of2ForFork0_~arg#1.base_4|, thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1=|v_thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1_6|, thr1Thread1of2ForFork0_thidvar1=v_thr1Thread1of2ForFork0_thidvar1_2, thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1=|v_thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1_6|, thr1Thread1of2ForFork0_~arg#1.offset=|v_thr1Thread1of2ForFork0_~arg#1.offset_4|, thr1Thread1of2ForFork0_thidvar0=v_thr1Thread1of2ForFork0_thidvar0_2, ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_8|, thr1Thread1of2ForFork0_#in~arg#1.base=|v_thr1Thread1of2ForFork0_#in~arg#1.base_4|, thr1Thread1of2ForFork0_#res#1.offset=|v_thr1Thread1of2ForFork0_#res#1.offset_4|, thr1Thread1of2ForFork0_#in~arg#1.offset=|v_thr1Thread1of2ForFork0_#in~arg#1.offset_4|} AuxVars[] AssignedVars[thr1Thread1of2ForFork0_#res#1.base, thr1Thread1of2ForFork0_~arg#1.base, thr1Thread1of2ForFork0_assume_abort_if_not_~cond#1, thr1Thread1of2ForFork0_thidvar1, thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond#1, thr1Thread1of2ForFork0_~arg#1.offset, thr1Thread1of2ForFork0_thidvar0, thr1Thread1of2ForFork0_#in~arg#1.base, thr1Thread1of2ForFork0_#res#1.offset, thr1Thread1of2ForFork0_#in~arg#1.offset] {146#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:13:07,225 INFO L290 TraceCheckUtils]: 22: Hoare triple {146#(= ~g1~0 ~g0~0)} [468] L736-3-->L736-4: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~pre4#1=|v_ULTIMATE.start_main_#t~pre4#1_4|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre4#1] {146#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:13:07,226 INFO L290 TraceCheckUtils]: 23: Hoare triple {146#(= ~g1~0 ~g0~0)} [485] L736-4-->L737: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet5#1=|v_ULTIMATE.start_main_#t~nondet5#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5#1] {146#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:13:07,226 INFO L290 TraceCheckUtils]: 24: Hoare triple {146#(= ~g1~0 ~g0~0)} [495] L737-->L737-1: Formula: (= |v_ULTIMATE.start_main_#t~pre6#1_2| |v_#pthreadsForks_4|) InVars {#pthreadsForks=|v_#pthreadsForks_4|} OutVars{#pthreadsForks=|v_#pthreadsForks_4|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre6#1] {146#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:13:07,226 INFO L290 TraceCheckUtils]: 25: Hoare triple {146#(= ~g1~0 ~g0~0)} [506] L737-1-->L737-2: Formula: (= (+ 1 |v_#pthreadsForks_6|) |v_#pthreadsForks_5|) InVars {#pthreadsForks=|v_#pthreadsForks_6|} OutVars{#pthreadsForks=|v_#pthreadsForks_5|} AuxVars[] AssignedVars[#pthreadsForks] {146#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:13:07,227 INFO L290 TraceCheckUtils]: 26: Hoare triple {146#(= ~g1~0 ~g0~0)} [496] L737-2-->L737-3: Formula: (= (store |v_#memory_int_6| |v_ULTIMATE.start_main_~#t~0#1.base_4| (store (select |v_#memory_int_6| |v_ULTIMATE.start_main_~#t~0#1.base_4|) |v_ULTIMATE.start_main_~#t~0#1.offset_4| |v_ULTIMATE.start_main_#t~pre6#1_3|)) |v_#memory_int_5|) InVars {#memory_int=|v_#memory_int_6|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_3|, ULTIMATE.start_main_~#t~0#1.base=|v_ULTIMATE.start_main_~#t~0#1.base_4|, ULTIMATE.start_main_~#t~0#1.offset=|v_ULTIMATE.start_main_~#t~0#1.offset_4|} OutVars{#memory_int=|v_#memory_int_5|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_3|, ULTIMATE.start_main_~#t~0#1.base=|v_ULTIMATE.start_main_~#t~0#1.base_4|, ULTIMATE.start_main_~#t~0#1.offset=|v_ULTIMATE.start_main_~#t~0#1.offset_4|} AuxVars[] AssignedVars[#memory_int] {146#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:13:07,231 INFO L290 TraceCheckUtils]: 27: Hoare triple {146#(= ~g1~0 ~g0~0)} [647] L737-3-->thr2ENTRY: Formula: (and (= |v_ULTIMATE.start_main_#t~pre6#1_8| v_thr2Thread1of2ForFork2_thidvar0_2) (= |v_thr2Thread1of2ForFork2_#in~arg#1.base_4| 0) (= |v_thr2Thread1of2ForFork2_#in~arg#1.offset_4| 0) (= v_thr2Thread1of2ForFork2_thidvar1_2 0)) InVars {ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_8|} OutVars{thr2Thread1of2ForFork2_~arg#1.offset=|v_thr2Thread1of2ForFork2_~arg#1.offset_4|, thr2Thread1of2ForFork2_#res#1.offset=|v_thr2Thread1of2ForFork2_#res#1.offset_4|, ULTIMATE.start_main_#t~pre6#1=|v_ULTIMATE.start_main_#t~pre6#1_8|, thr2Thread1of2ForFork2_~arg#1.base=|v_thr2Thread1of2ForFork2_~arg#1.base_4|, thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond#1=|v_thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond#1_6|, thr2Thread1of2ForFork2_#res#1.base=|v_thr2Thread1of2ForFork2_#res#1.base_4|, thr2Thread1of2ForFork2_#in~arg#1.offset=|v_thr2Thread1of2ForFork2_#in~arg#1.offset_4|, thr2Thread1of2ForFork2_assume_abort_if_not_~cond#1=|v_thr2Thread1of2ForFork2_assume_abort_if_not_~cond#1_6|, thr2Thread1of2ForFork2_thidvar0=v_thr2Thread1of2ForFork2_thidvar0_2, thr2Thread1of2ForFork2_#in~arg#1.base=|v_thr2Thread1of2ForFork2_#in~arg#1.base_4|, thr2Thread1of2ForFork2_thidvar1=v_thr2Thread1of2ForFork2_thidvar1_2} AuxVars[] AssignedVars[thr2Thread1of2ForFork2_~arg#1.offset, thr2Thread1of2ForFork2_#res#1.offset, thr2Thread1of2ForFork2_~arg#1.base, thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond#1, thr2Thread1of2ForFork2_#res#1.base, thr2Thread1of2ForFork2_#in~arg#1.offset, thr2Thread1of2ForFork2_assume_abort_if_not_~cond#1, thr2Thread1of2ForFork2_thidvar0, thr2Thread1of2ForFork2_#in~arg#1.base, thr2Thread1of2ForFork2_thidvar1] {146#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:13:07,231 INFO L290 TraceCheckUtils]: 28: Hoare triple {146#(= ~g1~0 ~g0~0)} [565] thr2ENTRY-->L723-8: Formula: (and (= |v_thr2Thread1of2ForFork2_~arg#1.base_1| |v_thr2Thread1of2ForFork2_#in~arg#1.base_1|) (= |v_thr2Thread1of2ForFork2_#in~arg#1.offset_1| |v_thr2Thread1of2ForFork2_~arg#1.offset_1|)) InVars {thr2Thread1of2ForFork2_#in~arg#1.offset=|v_thr2Thread1of2ForFork2_#in~arg#1.offset_1|, thr2Thread1of2ForFork2_#in~arg#1.base=|v_thr2Thread1of2ForFork2_#in~arg#1.base_1|} OutVars{thr2Thread1of2ForFork2_~arg#1.offset=|v_thr2Thread1of2ForFork2_~arg#1.offset_1|, thr2Thread1of2ForFork2_#in~arg#1.offset=|v_thr2Thread1of2ForFork2_#in~arg#1.offset_1|, thr2Thread1of2ForFork2_~arg#1.base=|v_thr2Thread1of2ForFork2_~arg#1.base_1|, thr2Thread1of2ForFork2_#in~arg#1.base=|v_thr2Thread1of2ForFork2_#in~arg#1.base_1|} AuxVars[] AssignedVars[thr2Thread1of2ForFork2_~arg#1.offset, thr2Thread1of2ForFork2_~arg#1.base] {146#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:13:07,235 INFO L290 TraceCheckUtils]: 29: Hoare triple {146#(= ~g1~0 ~g0~0)} [568] L723-8-->L723-2: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {146#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:13:07,236 INFO L290 TraceCheckUtils]: 30: Hoare triple {146#(= ~g1~0 ~g0~0)} [570] L723-2-->L723-3: Formula: (and (= |v_thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond#1_1| |v_thr2Thread1of2ForFork2_assume_abort_if_not_~cond#1_1|) (= v_~mutex~0_102 1) (not (= 0 |v_thr2Thread1of2ForFork2_assume_abort_if_not_~cond#1_1|)) (= |v_thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond#1_1| (ite (= v_~mutex~0_103 0) 1 0))) InVars {~mutex~0=v_~mutex~0_103} OutVars{thr2Thread1of2ForFork2_assume_abort_if_not_~cond#1=|v_thr2Thread1of2ForFork2_assume_abort_if_not_~cond#1_1|, thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond#1=|v_thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond#1_1|, ~mutex~0=v_~mutex~0_102} AuxVars[] AssignedVars[thr2Thread1of2ForFork2_assume_abort_if_not_#in~cond#1, thr2Thread1of2ForFork2_assume_abort_if_not_~cond#1, ~mutex~0] {146#(= ~g1~0 ~g0~0)} is VALID [2022-02-20 20:13:07,236 INFO L290 TraceCheckUtils]: 31: Hoare triple {146#(= ~g1~0 ~g0~0)} [572] L723-3-->L723-4: Formula: (not (= v_~g0~0_1 v_~g1~0_1)) InVars {~g1~0=v_~g1~0_1, ~g0~0=v_~g0~0_1} OutVars{~g1~0=v_~g1~0_1, ~g0~0=v_~g0~0_1} AuxVars[] AssignedVars[] {144#false} is VALID [2022-02-20 20:13:07,236 INFO L290 TraceCheckUtils]: 32: Hoare triple {144#false} [574] L723-4-->thr2Err0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {144#false} is VALID [2022-02-20 20:13:07,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 20:13:07,237 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 20:13:07,237 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191472664] [2022-02-20 20:13:07,237 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191472664] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 20:13:07,237 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 20:13:07,237 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-20 20:13:07,238 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045604767] [2022-02-20 20:13:07,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 20:13:07,238 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 33 [2022-02-20 20:13:07,238 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 20:13:07,239 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 20:13:07,261 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 20:13:07,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-20 20:13:07,261 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 20:13:07,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-20 20:13:07,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-20 20:13:07,262 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 138 [2022-02-20 20:13:07,263 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 113 transitions, 244 flow. Second operand has 4 states, 4 states have (on average 85.5) internal successors, (342), 4 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 20:13:07,263 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-02-20 20:13:07,263 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 138 [2022-02-20 20:13:07,263 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-02-20 20:13:09,776 INFO L129 PetriNetUnfolder]: 11944/22352 cut-off events. [2022-02-20 20:13:09,777 INFO L130 PetriNetUnfolder]: For 1367/1367 co-relation queries the response was YES. [2022-02-20 20:13:09,892 INFO L84 FinitePrefix]: Finished finitePrefix Result has 40272 conditions, 22352 events. 11944/22352 cut-off events. For 1367/1367 co-relation queries the response was YES. Maximal size of possible extension queue 1214. Compared 212724 event pairs, 3229 based on Foata normal form. 8108/28476 useless extension candidates. Maximal degree in co-relation 40239. Up to 5309 conditions per place. [2022-02-20 20:13:10,163 INFO L132 encePairwiseOnDemand]: 119/138 looper letters, 79 selfloop transitions, 17 changer transitions 0/162 dead transitions. [2022-02-20 20:13:10,163 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 162 transitions, 558 flow [2022-02-20 20:13:10,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 20:13:10,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-02-20 20:13:10,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 550 transitions. [2022-02-20 20:13:10,170 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7971014492753623 [2022-02-20 20:13:10,170 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 550 transitions. [2022-02-20 20:13:10,170 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 550 transitions. [2022-02-20 20:13:10,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-20 20:13:10,171 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 550 transitions. [2022-02-20 20:13:10,172 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 110.0) internal successors, (550), 5 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 20:13:10,173 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 138.0) internal successors, (828), 6 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 20:13:10,174 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 138.0) internal successors, (828), 6 states have internal predecessors, (828), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 20:13:10,174 INFO L186 Difference]: Start difference. First operand has 114 places, 113 transitions, 244 flow. Second operand 5 states and 550 transitions. [2022-02-20 20:13:10,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 162 transitions, 558 flow [2022-02-20 20:13:10,176 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 104 places, 162 transitions, 553 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-02-20 20:13:10,179 INFO L242 Difference]: Finished difference. Result has 108 places, 110 transitions, 342 flow [2022-02-20 20:13:10,179 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=138, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=342, PETRI_PLACES=108, PETRI_TRANSITIONS=110} [2022-02-20 20:13:10,181 INFO L334 CegarLoopForPetriNet]: 114 programPoint places, -6 predicate places. [2022-02-20 20:13:10,181 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 108 places, 110 transitions, 342 flow