./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_60-invariant_racefree.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/goblint-regression/28-race_reach_60-invariant_racefree.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 ca8ac8d2a0a0bfcebfb7f99229747142c166641dd0f1bf091ac2b4ae67e9ee75 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 20:42:41,363 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 20:42:41,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 20:42:41,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 20:42:41,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 20:42:41,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 20:42:41,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 20:42:41,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 20:42:41,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 20:42:41,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 20:42:41,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 20:42:41,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 20:42:41,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 20:42:41,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 20:42:41,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 20:42:41,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 20:42:41,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 20:42:41,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 20:42:41,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 20:42:41,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 20:42:41,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 20:42:41,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 20:42:41,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 20:42:41,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 20:42:41,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 20:42:41,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 20:42:41,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 20:42:41,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 20:42:41,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 20:42:41,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 20:42:41,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 20:42:41,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 20:42:41,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 20:42:41,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 20:42:41,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 20:42:41,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 20:42:41,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 20:42:41,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 20:42:41,443 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 20:42:41,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 20:42:41,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 20:42:41,445 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 20:42:41,471 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 20:42:41,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 20:42:41,472 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 20:42:41,472 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 20:42:41,473 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 20:42:41,473 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 20:42:41,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 20:42:41,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 20:42:41,473 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 20:42:41,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 20:42:41,474 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 20:42:41,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 20:42:41,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 20:42:41,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 20:42:41,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 20:42:41,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 20:42:41,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 20:42:41,475 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 20:42:41,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 20:42:41,476 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 20:42:41,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 20:42:41,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 20:42:41,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 20:42:41,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 20:42:41,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 20:42:41,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 20:42:41,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 20:42:41,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 20:42:41,477 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 20:42:41,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 20:42:41,477 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 20:42:41,477 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 20:42:41,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 20:42:41,478 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca8ac8d2a0a0bfcebfb7f99229747142c166641dd0f1bf091ac2b4ae67e9ee75 [2022-02-20 20:42:41,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 20:42:41,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 20:42:41,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 20:42:41,741 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 20:42:41,742 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 20:42:41,743 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_60-invariant_racefree.i [2022-02-20 20:42:41,794 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99aec33e1/e70b7220b1c947efbc4e39e034bba128/FLAG9042803fb [2022-02-20 20:42:42,260 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 20:42:42,261 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_60-invariant_racefree.i [2022-02-20 20:42:42,275 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99aec33e1/e70b7220b1c947efbc4e39e034bba128/FLAG9042803fb [2022-02-20 20:42:42,288 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99aec33e1/e70b7220b1c947efbc4e39e034bba128 [2022-02-20 20:42:42,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 20:42:42,293 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 20:42:42,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 20:42:42,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 20:42:42,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 20:42:42,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 08:42:42" (1/1) ... [2022-02-20 20:42:42,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ade13dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:42:42, skipping insertion in model container [2022-02-20 20:42:42,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 08:42:42" (1/1) ... [2022-02-20 20:42:42,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 20:42:42,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 20:42:42,654 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/goblint-regression/28-race_reach_60-invariant_racefree.i[30176,30189] [2022-02-20 20:42:42,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 20:42:42,685 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 20:42:42,722 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/goblint-regression/28-race_reach_60-invariant_racefree.i[30176,30189] [2022-02-20 20:42:42,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 20:42:42,777 INFO L208 MainTranslator]: Completed translation [2022-02-20 20:42:42,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:42:42 WrapperNode [2022-02-20 20:42:42,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 20:42:42,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 20:42:42,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 20:42:42,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 20:42:42,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:42:42" (1/1) ... [2022-02-20 20:42:42,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:42:42" (1/1) ... [2022-02-20 20:42:42,832 INFO L137 Inliner]: procedures = 170, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 141 [2022-02-20 20:42:42,832 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 20:42:42,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 20:42:42,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 20:42:42,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 20:42:42,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:42:42" (1/1) ... [2022-02-20 20:42:42,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:42:42" (1/1) ... [2022-02-20 20:42:42,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:42:42" (1/1) ... [2022-02-20 20:42:42,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:42:42" (1/1) ... [2022-02-20 20:42:42,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:42:42" (1/1) ... [2022-02-20 20:42:42,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:42:42" (1/1) ... [2022-02-20 20:42:42,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:42:42" (1/1) ... [2022-02-20 20:42:42,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 20:42:42,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 20:42:42,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 20:42:42,877 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 20:42:42,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:42:42" (1/1) ... [2022-02-20 20:42:42,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 20:42:42,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 20:42:42,903 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 20:42:42,905 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 20:42:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-20 20:42:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-20 20:42:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-20 20:42:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 20:42:42,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-20 20:42:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-20 20:42:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-20 20:42:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-20 20:42:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 20:42:42,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 20:42:42,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 20:42:42,930 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 20:42:42,996 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 20:42:42,997 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 20:42:43,140 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 20:42:43,146 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 20:42:43,146 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2022-02-20 20:42:43,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 08:42:43 BoogieIcfgContainer [2022-02-20 20:42:43,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 20:42:43,149 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 20:42:43,149 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 20:42:43,151 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 20:42:43,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 08:42:42" (1/3) ... [2022-02-20 20:42:43,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42de3d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 08:42:43, skipping insertion in model container [2022-02-20 20:42:43,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 08:42:42" (2/3) ... [2022-02-20 20:42:43,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42de3d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 08:42:43, skipping insertion in model container [2022-02-20 20:42:43,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 08:42:43" (3/3) ... [2022-02-20 20:42:43,153 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_60-invariant_racefree.i [2022-02-20 20:42:43,156 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-20 20:42:43,157 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 20:42:43,157 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-02-20 20:42:43,157 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-20 20:42:43,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,193 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,194 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,195 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,196 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,197 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,198 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,199 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,200 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,201 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,202 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,203 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,204 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,206 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,207 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,208 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,212 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-20 20:42:43,264 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 20:42:43,269 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 20:42:43,269 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-20 20:42:43,280 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 146 transitions, 300 flow [2022-02-20 20:42:43,351 INFO L129 PetriNetUnfolder]: 33/204 cut-off events. [2022-02-20 20:42:43,352 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-02-20 20:42:43,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 210 conditions, 204 events. 33/204 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 672 event pairs, 0 based on Foata normal form. 0/165 useless extension candidates. Maximal degree in co-relation 110. Up to 6 conditions per place. [2022-02-20 20:42:43,356 INFO L82 GeneralOperation]: Start removeDead. Operand has 127 places, 146 transitions, 300 flow [2022-02-20 20:42:43,361 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 123 places, 141 transitions, 287 flow [2022-02-20 20:42:43,385 INFO L129 PetriNetUnfolder]: 11/100 cut-off events. [2022-02-20 20:42:43,388 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-02-20 20:42:43,389 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-02-20 20:42:43,389 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, 1, 1, 1, 1] [2022-02-20 20:42:43,390 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-20 20:42:43,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 20:42:43,394 INFO L85 PathProgramCache]: Analyzing trace with hash 240493146, now seen corresponding path program 1 times [2022-02-20 20:42:43,400 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 20:42:43,400 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079270976] [2022-02-20 20:42:43,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 20:42:43,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 20:42:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 20:42:43,590 INFO L290 TraceCheckUtils]: 0: Hoare triple {130#true} [359] ULTIMATE.startENTRY-->L-1: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {130#true} is VALID [2022-02-20 20:42:43,590 INFO L290 TraceCheckUtils]: 1: Hoare triple {130#true} [271] 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] {130#true} is VALID [2022-02-20 20:42:43,591 INFO L290 TraceCheckUtils]: 2: Hoare triple {130#true} [362] 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[] {130#true} is VALID [2022-02-20 20:42:43,591 INFO L290 TraceCheckUtils]: 3: Hoare triple {130#true} [364] L-1-2-->L690: Formula: (< 0 |v_#StackHeapBarrier_1|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|} AuxVars[] AssignedVars[] {130#true} is VALID [2022-02-20 20:42:43,592 INFO L290 TraceCheckUtils]: 4: Hoare triple {130#true} [289] L690-->L690-1: 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[] {130#true} is VALID [2022-02-20 20:42:43,592 INFO L290 TraceCheckUtils]: 5: Hoare triple {130#true} [242] L690-1-->L690-2: 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[] {130#true} is VALID [2022-02-20 20:42:43,592 INFO L290 TraceCheckUtils]: 6: Hoare triple {130#true} [258] L690-2-->L690-3: 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[] {130#true} is VALID [2022-02-20 20:42:43,593 INFO L290 TraceCheckUtils]: 7: Hoare triple {130#true} [346] L690-3-->L690-4: Formula: (and (= (select |v_#length_2| 2) 13) (= (select |v_#valid_3| 2) 1)) InVars {#length=|v_#length_2|, #valid=|v_#valid_3|} OutVars{#length=|v_#length_2|, #valid=|v_#valid_3|} AuxVars[] AssignedVars[] {130#true} is VALID [2022-02-20 20:42:43,595 INFO L290 TraceCheckUtils]: 8: Hoare triple {130#true} [300] L690-4-->L696: Formula: (and (= 3 |v_~#__global_lock~0.base_1|) (= |v_~#__global_lock~0.offset_1| 0)) InVars {} OutVars{~#__global_lock~0.base=|v_~#__global_lock~0.base_1|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_1|} AuxVars[] AssignedVars[~#__global_lock~0.offset, ~#__global_lock~0.base] {130#true} is VALID [2022-02-20 20:42:43,596 INFO L290 TraceCheckUtils]: 9: Hoare triple {130#true} [280] L696-->L696-1: Formula: (and (= (select |v_#length_3| 3) 24) (= (select |v_#valid_4| 3) 1)) InVars {#length=|v_#length_3|, #valid=|v_#valid_4|} OutVars{#length=|v_#length_3|, #valid=|v_#valid_4|} AuxVars[] AssignedVars[] {130#true} is VALID [2022-02-20 20:42:43,596 INFO L290 TraceCheckUtils]: 10: Hoare triple {130#true} [347] L696-1-->L696-2: Formula: (= (select (select |v_#memory_int_3| |v_~#__global_lock~0.base_2|) |v_~#__global_lock~0.offset_2|) 0) InVars {#memory_int=|v_#memory_int_3|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_2|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_2|} OutVars{#memory_int=|v_#memory_int_3|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_2|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_2|} AuxVars[] AssignedVars[] {130#true} is VALID [2022-02-20 20:42:43,596 INFO L290 TraceCheckUtils]: 11: Hoare triple {130#true} [253] L696-2-->L696-3: Formula: (= (select (select |v_#memory_int_4| |v_~#__global_lock~0.base_3|) (+ |v_~#__global_lock~0.offset_3| 4)) 0) InVars {#memory_int=|v_#memory_int_4|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_3|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_3|} OutVars{#memory_int=|v_#memory_int_4|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_3|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_3|} AuxVars[] AssignedVars[] {130#true} is VALID [2022-02-20 20:42:43,597 INFO L290 TraceCheckUtils]: 12: Hoare triple {130#true} [368] L696-3-->L696-4: Formula: (= (select (select |v_#memory_int_5| |v_~#__global_lock~0.base_4|) (+ |v_~#__global_lock~0.offset_4| 8)) 0) InVars {#memory_int=|v_#memory_int_5|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_4|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_4|} OutVars{#memory_int=|v_#memory_int_5|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_4|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_4|} AuxVars[] AssignedVars[] {130#true} is VALID [2022-02-20 20:42:43,598 INFO L290 TraceCheckUtils]: 13: Hoare triple {130#true} [354] L696-4-->L696-5: Formula: (= (select (select |v_#memory_int_6| |v_~#__global_lock~0.base_5|) (+ |v_~#__global_lock~0.offset_5| 12)) 0) InVars {#memory_int=|v_#memory_int_6|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_5|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_5|} OutVars{#memory_int=|v_#memory_int_6|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_5|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_5|} AuxVars[] AssignedVars[] {130#true} is VALID [2022-02-20 20:42:43,598 INFO L290 TraceCheckUtils]: 14: Hoare triple {130#true} [286] L696-5-->L696-6: Formula: (= (select (select |v_#memory_int_7| |v_~#__global_lock~0.base_6|) (+ 16 |v_~#__global_lock~0.offset_6|)) 0) InVars {#memory_int=|v_#memory_int_7|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_6|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_6|} OutVars{#memory_int=|v_#memory_int_7|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_6|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_6|} AuxVars[] AssignedVars[] {130#true} is VALID [2022-02-20 20:42:43,598 INFO L290 TraceCheckUtils]: 15: Hoare triple {130#true} [296] L696-6-->L698: Formula: (= v_~x~0_1 0) InVars {} OutVars{~x~0=v_~x~0_1} AuxVars[] AssignedVars[~x~0] {130#true} is VALID [2022-02-20 20:42:43,598 INFO L290 TraceCheckUtils]: 16: Hoare triple {130#true} [336] L698-->L698-1: Formula: (and (= 4 |v_~#mutex~0.base_1|) (= |v_~#mutex~0.offset_1| 0)) InVars {} OutVars{~#mutex~0.base=|v_~#mutex~0.base_1|, ~#mutex~0.offset=|v_~#mutex~0.offset_1|} AuxVars[] AssignedVars[~#mutex~0.base, ~#mutex~0.offset] {130#true} is VALID [2022-02-20 20:42:43,598 INFO L290 TraceCheckUtils]: 17: Hoare triple {130#true} [334] L698-1-->L698-2: Formula: (and (= (select |v_#length_4| 4) 24) (= (select |v_#valid_5| 4) 1)) InVars {#length=|v_#length_4|, #valid=|v_#valid_5|} OutVars{#length=|v_#length_4|, #valid=|v_#valid_5|} AuxVars[] AssignedVars[] {130#true} is VALID [2022-02-20 20:42:43,599 INFO L290 TraceCheckUtils]: 18: Hoare triple {130#true} [357] L698-2-->L698-3: Formula: (= (select (select |v_#memory_int_8| |v_~#mutex~0.base_2|) |v_~#mutex~0.offset_2|) 0) InVars {~#mutex~0.offset=|v_~#mutex~0.offset_2|, #memory_int=|v_#memory_int_8|, ~#mutex~0.base=|v_~#mutex~0.base_2|} OutVars{~#mutex~0.offset=|v_~#mutex~0.offset_2|, #memory_int=|v_#memory_int_8|, ~#mutex~0.base=|v_~#mutex~0.base_2|} AuxVars[] AssignedVars[] {130#true} is VALID [2022-02-20 20:42:43,600 INFO L290 TraceCheckUtils]: 19: Hoare triple {130#true} [259] L698-3-->L698-4: Formula: (= (select (select |v_#memory_int_9| |v_~#mutex~0.base_3|) (+ |v_~#mutex~0.offset_3| 4)) 0) InVars {~#mutex~0.offset=|v_~#mutex~0.offset_3|, #memory_int=|v_#memory_int_9|, ~#mutex~0.base=|v_~#mutex~0.base_3|} OutVars{~#mutex~0.offset=|v_~#mutex~0.offset_3|, #memory_int=|v_#memory_int_9|, ~#mutex~0.base=|v_~#mutex~0.base_3|} AuxVars[] AssignedVars[] {130#true} is VALID [2022-02-20 20:42:43,600 INFO L290 TraceCheckUtils]: 20: Hoare triple {130#true} [335] L698-4-->L698-5: Formula: (= (select (select |v_#memory_int_10| |v_~#mutex~0.base_4|) (+ |v_~#mutex~0.offset_4| 8)) 0) InVars {~#mutex~0.offset=|v_~#mutex~0.offset_4|, #memory_int=|v_#memory_int_10|, ~#mutex~0.base=|v_~#mutex~0.base_4|} OutVars{~#mutex~0.offset=|v_~#mutex~0.offset_4|, #memory_int=|v_#memory_int_10|, ~#mutex~0.base=|v_~#mutex~0.base_4|} AuxVars[] AssignedVars[] {130#true} is VALID [2022-02-20 20:42:43,601 INFO L290 TraceCheckUtils]: 21: Hoare triple {130#true} [360] L698-5-->L698-6: Formula: (= (select (select |v_#memory_int_11| |v_~#mutex~0.base_5|) (+ |v_~#mutex~0.offset_5| 12)) 0) InVars {~#mutex~0.offset=|v_~#mutex~0.offset_5|, #memory_int=|v_#memory_int_11|, ~#mutex~0.base=|v_~#mutex~0.base_5|} OutVars{~#mutex~0.offset=|v_~#mutex~0.offset_5|, #memory_int=|v_#memory_int_11|, ~#mutex~0.base=|v_~#mutex~0.base_5|} AuxVars[] AssignedVars[] {130#true} is VALID [2022-02-20 20:42:43,602 INFO L290 TraceCheckUtils]: 22: Hoare triple {130#true} [358] L698-6-->L698-7: Formula: (= (select (select |v_#memory_int_12| |v_~#mutex~0.base_6|) (+ |v_~#mutex~0.offset_6| 16)) 0) InVars {~#mutex~0.offset=|v_~#mutex~0.offset_6|, #memory_int=|v_#memory_int_12|, ~#mutex~0.base=|v_~#mutex~0.base_6|} OutVars{~#mutex~0.offset=|v_~#mutex~0.offset_6|, #memory_int=|v_#memory_int_12|, ~#mutex~0.base=|v_~#mutex~0.base_6|} AuxVars[] AssignedVars[] {130#true} is VALID [2022-02-20 20:42:43,602 INFO L290 TraceCheckUtils]: 23: Hoare triple {130#true} [252] L698-7-->L-1-3: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {130#true} is VALID [2022-02-20 20:42:43,602 INFO L290 TraceCheckUtils]: 24: Hoare triple {130#true} [366] L-1-3-->L-1-4: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {130#true} is VALID [2022-02-20 20:42:43,603 INFO L290 TraceCheckUtils]: 25: Hoare triple {130#true} [279] L-1-4-->L-1-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1] {130#true} is VALID [2022-02-20 20:42:43,603 INFO L290 TraceCheckUtils]: 26: Hoare triple {130#true} [249] L-1-5-->L711: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~post16#1=|v_ULTIMATE.start_main_#t~post16#1_1|, ULTIMATE.start_main_~i~1#1=|v_ULTIMATE.start_main_~i~1#1_1|, ULTIMATE.start_main_#t~post14#1=|v_ULTIMATE.start_main_#t~post14#1_1|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_1|, ULTIMATE.start_main_#t~post18#1=|v_ULTIMATE.start_main_#t~post18#1_1|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_1|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_1|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_1|, ULTIMATE.start_main_~#t_ids~0#1.base=|v_ULTIMATE.start_main_~#t_ids~0#1.base_1|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_1|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_1|, ULTIMATE.start_main_#t~post9#1=|v_ULTIMATE.start_main_#t~post9#1_1|, ULTIMATE.start_main_~#t_ids~0#1.offset=|v_ULTIMATE.start_main_~#t_ids~0#1.offset_1|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_1|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~post16#1, ULTIMATE.start_main_~i~1#1, ULTIMATE.start_main_#t~post14#1, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~post18#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~#t_ids~0#1.base, ULTIMATE.start_main_#t~pre10#1, ULTIMATE.start_main_#t~nondet13#1, ULTIMATE.start_main_#t~post9#1, ULTIMATE.start_main_~#t_ids~0#1.offset, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#t~nondet15#1] {130#true} is VALID [2022-02-20 20:42:43,603 INFO L290 TraceCheckUtils]: 27: Hoare triple {130#true} [278] L711-->L711-1: Formula: (and (= (store |v_#length_6| |v_ULTIMATE.start_main_~#t_ids~0#1.base_2| 40000) |v_#length_5|) (= |v_#valid_6| (store |v_#valid_7| |v_ULTIMATE.start_main_~#t_ids~0#1.base_2| 1)) (= |v_ULTIMATE.start_main_~#t_ids~0#1.offset_2| 0) (not (= |v_ULTIMATE.start_main_~#t_ids~0#1.base_2| 0)) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_~#t_ids~0#1.base_2|) (= (select |v_#valid_7| |v_ULTIMATE.start_main_~#t_ids~0#1.base_2|) 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_6|, #valid=|v_#valid_7|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|, ULTIMATE.start_main_~#t_ids~0#1.offset=|v_ULTIMATE.start_main_~#t_ids~0#1.offset_2|, #length=|v_#length_5|, ULTIMATE.start_main_~#t_ids~0#1.base=|v_ULTIMATE.start_main_~#t_ids~0#1.base_2|, #valid=|v_#valid_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t_ids~0#1.base, #valid, ULTIMATE.start_main_~#t_ids~0#1.offset, #length] {130#true} is VALID [2022-02-20 20:42:43,603 INFO L290 TraceCheckUtils]: 28: Hoare triple {130#true} [350] L711-1-->L711-13: Formula: (= |v_ULTIMATE.start_main_~i~0#1_2| 0) InVars {} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0#1] {130#true} is VALID [2022-02-20 20:42:43,604 INFO L290 TraceCheckUtils]: 29: Hoare triple {130#true} [314] L711-13-->L711-14: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {131#false} is VALID [2022-02-20 20:42:43,605 INFO L290 TraceCheckUtils]: 30: Hoare triple {131#false} [307] L711-14-->L712: Formula: (let ((.cse0 (select |v_#pthreadsMutex_2| |v_~#mutex~0.base_7|))) (and (= |v_#pthreadsMutex_1| (store |v_#pthreadsMutex_2| |v_~#mutex~0.base_7| (store .cse0 |v_~#mutex~0.offset_7| 1))) (= (select .cse0 |v_~#mutex~0.offset_7|) 0) (= |v_ULTIMATE.start_main_#t~nondet12#1_2| 0))) InVars {~#mutex~0.offset=|v_~#mutex~0.offset_7|, #pthreadsMutex=|v_#pthreadsMutex_2|, ~#mutex~0.base=|v_~#mutex~0.base_7|} OutVars{~#mutex~0.offset=|v_~#mutex~0.offset_7|, #pthreadsMutex=|v_#pthreadsMutex_1|, ~#mutex~0.base=|v_~#mutex~0.base_7|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_2|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~nondet12#1] {131#false} is VALID [2022-02-20 20:42:43,605 INFO L290 TraceCheckUtils]: 31: Hoare triple {131#false} [302] L712-->L713-17: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet12#1] {131#false} is VALID [2022-02-20 20:42:43,606 INFO L290 TraceCheckUtils]: 32: Hoare triple {131#false} [352] L713-17-->L714-6: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {131#false} is VALID [2022-02-20 20:42:43,606 INFO L290 TraceCheckUtils]: 33: Hoare triple {131#false} [297] L714-6-->L714: Formula: (let ((.cse0 (select |v_#pthreadsMutex_12| |v_~#__global_lock~0.base_11|))) (and (= |v_ULTIMATE.start_main_#t~nondet17#1_2| 0) (= (select .cse0 |v_~#__global_lock~0.offset_11|) 0) (= (store |v_#pthreadsMutex_12| |v_~#__global_lock~0.base_11| (store .cse0 |v_~#__global_lock~0.offset_11| 1)) |v_#pthreadsMutex_11|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_12|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_11|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_11|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_11|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_2|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_11|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_11|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~nondet17#1] {131#false} is VALID [2022-02-20 20:42:43,606 INFO L290 TraceCheckUtils]: 34: Hoare triple {131#false} [243] L714-->L714-1: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet17#1] {131#false} is VALID [2022-02-20 20:42:43,606 INFO L290 TraceCheckUtils]: 35: Hoare triple {131#false} [255] L714-1-->L714-2: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {131#false} is VALID [2022-02-20 20:42:43,606 INFO L290 TraceCheckUtils]: 36: Hoare triple {131#false} [322] L714-2-->L714-3: Formula: (= |v_ULTIMATE.start___VERIFIER_assert_#in~cond#1_1| (ite (= v_~x~0_6 0) 1 0)) InVars {~x~0=v_~x~0_6} OutVars{ULTIMATE.start___VERIFIER_assert_#in~cond#1=|v_ULTIMATE.start___VERIFIER_assert_#in~cond#1_1|, ~x~0=v_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_#in~cond#1] {131#false} is VALID [2022-02-20 20:42:43,607 INFO L290 TraceCheckUtils]: 37: Hoare triple {131#false} [236] L714-3-->L691: Formula: true InVars {} OutVars{ULTIMATE.start___VERIFIER_assert_~cond#1=|v_ULTIMATE.start___VERIFIER_assert_~cond#1_1|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~cond#1] {131#false} is VALID [2022-02-20 20:42:43,607 INFO L290 TraceCheckUtils]: 38: Hoare triple {131#false} [268] L691-->L691-1: Formula: (= |v_ULTIMATE.start___VERIFIER_assert_~cond#1_2| |v_ULTIMATE.start___VERIFIER_assert_#in~cond#1_2|) InVars {ULTIMATE.start___VERIFIER_assert_#in~cond#1=|v_ULTIMATE.start___VERIFIER_assert_#in~cond#1_2|} OutVars{ULTIMATE.start___VERIFIER_assert_~cond#1=|v_ULTIMATE.start___VERIFIER_assert_~cond#1_2|, ULTIMATE.start___VERIFIER_assert_#in~cond#1=|v_ULTIMATE.start___VERIFIER_assert_#in~cond#1_2|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~cond#1] {131#false} is VALID [2022-02-20 20:42:43,607 INFO L290 TraceCheckUtils]: 39: Hoare triple {131#false} [375] L691-1-->L691-2: Formula: (= |v_ULTIMATE.start___VERIFIER_assert_~cond#1_3| 0) InVars {ULTIMATE.start___VERIFIER_assert_~cond#1=|v_ULTIMATE.start___VERIFIER_assert_~cond#1_3|} OutVars{ULTIMATE.start___VERIFIER_assert_~cond#1=|v_ULTIMATE.start___VERIFIER_assert_~cond#1_3|} AuxVars[] AssignedVars[] {131#false} is VALID [2022-02-20 20:42:43,607 INFO L290 TraceCheckUtils]: 40: Hoare triple {131#false} [266] L691-2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {131#false} is VALID [2022-02-20 20:42:43,608 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 20:42:43,609 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 20:42:43,609 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079270976] [2022-02-20 20:42:43,609 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079270976] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 20:42:43,609 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 20:42:43,610 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 20:42:43,612 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163904632] [2022-02-20 20:42:43,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 20:42:43,621 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-02-20 20:42:43,622 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 20:42:43,624 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 20:42:43,669 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 20:42:43,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 20:42:43,670 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 20:42:43,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 20:42:43,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 20:42:43,688 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 146 [2022-02-20 20:42:43,693 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 141 transitions, 287 flow. Second operand has 2 states, 2 states have (on average 123.0) internal successors, (246), 2 states have internal predecessors, (246), 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 20:42:43,693 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-02-20 20:42:43,693 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 146 [2022-02-20 20:42:43,694 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-02-20 20:42:43,722 INFO L129 PetriNetUnfolder]: 1/165 cut-off events. [2022-02-20 20:42:43,722 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-02-20 20:42:43,723 INFO L84 FinitePrefix]: Finished finitePrefix Result has 172 conditions, 165 events. 1/165 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 312 event pairs, 0 based on Foata normal form. 31/188 useless extension candidates. Maximal degree in co-relation 90. Up to 2 conditions per place. [2022-02-20 20:42:43,725 INFO L132 encePairwiseOnDemand]: 126/146 looper letters, 1 selfloop transitions, 0 changer transitions 0/119 dead transitions. [2022-02-20 20:42:43,725 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 119 transitions, 245 flow [2022-02-20 20:42:43,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 20:42:43,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-02-20 20:42:43,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 265 transitions. [2022-02-20 20:42:43,745 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9075342465753424 [2022-02-20 20:42:43,746 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 265 transitions. [2022-02-20 20:42:43,746 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 265 transitions. [2022-02-20 20:42:43,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-20 20:42:43,748 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 265 transitions. [2022-02-20 20:42:43,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 132.5) internal successors, (265), 2 states have internal predecessors, (265), 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 20:42:43,756 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 146.0) internal successors, (438), 3 states have internal predecessors, (438), 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 20:42:43,756 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 146.0) internal successors, (438), 3 states have internal predecessors, (438), 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 20:42:43,758 INFO L186 Difference]: Start difference. First operand has 123 places, 141 transitions, 287 flow. Second operand 2 states and 265 transitions. [2022-02-20 20:42:43,758 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 119 transitions, 245 flow [2022-02-20 20:42:43,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 119 transitions, 245 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-02-20 20:42:43,765 INFO L242 Difference]: Finished difference. Result has 122 places, 119 transitions, 243 flow [2022-02-20 20:42:43,766 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=146, PETRI_DIFFERENCE_MINUEND_FLOW=243, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=119, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=243, PETRI_PLACES=122, PETRI_TRANSITIONS=119} [2022-02-20 20:42:43,769 INFO L334 CegarLoopForPetriNet]: 123 programPoint places, -1 predicate places. [2022-02-20 20:42:43,770 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 122 places, 119 transitions, 243 flow [2022-02-20 20:42:43,817 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2037 states, 2026 states have (on average 1.9550839091806516) internal successors, (3961), 2036 states have internal predecessors, (3961), 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 20:42:43,821 INFO L78 Accepts]: Start accepts. Automaton has has 2037 states, 2026 states have (on average 1.9550839091806516) internal successors, (3961), 2036 states have internal predecessors, (3961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-02-20 20:42:43,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 20:42:43,821 INFO L470 AbstractCegarLoop]: Abstraction has has 122 places, 119 transitions, 243 flow [2022-02-20 20:42:43,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 123.0) internal successors, (246), 2 states have internal predecessors, (246), 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 20:42:43,822 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-02-20 20:42:43,822 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, 1, 1] [2022-02-20 20:42:43,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 20:42:43,823 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-20 20:42:43,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 20:42:43,823 INFO L85 PathProgramCache]: Analyzing trace with hash 653294572, now seen corresponding path program 1 times [2022-02-20 20:42:43,823 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 20:42:43,824 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773626778] [2022-02-20 20:42:43,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 20:42:43,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 20:42:43,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 20:42:43,865 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-20 20:42:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 20:42:43,905 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-20 20:42:43,906 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-20 20:42:43,907 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 4 remaining) [2022-02-20 20:42:43,908 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2022-02-20 20:42:43,908 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2022-02-20 20:42:43,908 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-02-20 20:42:43,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 20:42:43,911 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-20 20:42:43,911 WARN L235 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-20 20:42:43,912 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-02-20 20:42:43,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,952 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,952 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,952 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,952 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,952 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,952 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,953 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,953 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,953 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,953 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,953 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,955 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,955 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,955 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,955 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,955 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,955 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,955 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,959 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,960 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,961 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,961 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,961 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,961 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,961 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,962 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,962 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,962 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,962 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,962 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,962 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,962 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,963 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,963 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,963 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,963 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,963 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,963 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,964 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,964 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,964 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,964 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,964 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,964 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,965 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,966 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,967 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,972 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,973 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,973 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,973 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,973 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,973 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,973 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,973 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,973 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,974 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,974 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,974 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,975 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,976 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,976 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,976 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:43,983 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-20 20:42:43,991 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 20:42:43,992 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 20:42:43,992 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-20 20:42:43,993 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 167 places, 195 transitions, 408 flow [2022-02-20 20:42:44,019 INFO L129 PetriNetUnfolder]: 57/336 cut-off events. [2022-02-20 20:42:44,020 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2022-02-20 20:42:44,022 INFO L84 FinitePrefix]: Finished finitePrefix Result has 350 conditions, 336 events. 57/336 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1280 event pairs, 0 based on Foata normal form. 0/270 useless extension candidates. Maximal degree in co-relation 206. Up to 9 conditions per place. [2022-02-20 20:42:44,022 INFO L82 GeneralOperation]: Start removeDead. Operand has 167 places, 195 transitions, 408 flow [2022-02-20 20:42:44,024 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 167 places, 195 transitions, 408 flow [2022-02-20 20:42:44,036 INFO L129 PetriNetUnfolder]: 10/99 cut-off events. [2022-02-20 20:42:44,036 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-02-20 20:42:44,036 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-02-20 20:42:44,036 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, 1, 1, 1, 1] [2022-02-20 20:42:44,037 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-20 20:42:44,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 20:42:44,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1100514403, now seen corresponding path program 1 times [2022-02-20 20:42:44,037 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 20:42:44,037 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551563281] [2022-02-20 20:42:44,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 20:42:44,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 20:42:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 20:42:44,064 INFO L290 TraceCheckUtils]: 0: Hoare triple {170#true} [554] ULTIMATE.startENTRY-->L-1: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {170#true} is VALID [2022-02-20 20:42:44,064 INFO L290 TraceCheckUtils]: 1: Hoare triple {170#true} [466] 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] {170#true} is VALID [2022-02-20 20:42:44,064 INFO L290 TraceCheckUtils]: 2: Hoare triple {170#true} [557] 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[] {170#true} is VALID [2022-02-20 20:42:44,065 INFO L290 TraceCheckUtils]: 3: Hoare triple {170#true} [559] L-1-2-->L690: Formula: (< 0 |v_#StackHeapBarrier_1|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|} AuxVars[] AssignedVars[] {170#true} is VALID [2022-02-20 20:42:44,065 INFO L290 TraceCheckUtils]: 4: Hoare triple {170#true} [484] L690-->L690-1: 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[] {170#true} is VALID [2022-02-20 20:42:44,065 INFO L290 TraceCheckUtils]: 5: Hoare triple {170#true} [437] L690-1-->L690-2: 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[] {170#true} is VALID [2022-02-20 20:42:44,065 INFO L290 TraceCheckUtils]: 6: Hoare triple {170#true} [453] L690-2-->L690-3: 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[] {170#true} is VALID [2022-02-20 20:42:44,065 INFO L290 TraceCheckUtils]: 7: Hoare triple {170#true} [541] L690-3-->L690-4: Formula: (and (= (select |v_#length_2| 2) 13) (= (select |v_#valid_3| 2) 1)) InVars {#length=|v_#length_2|, #valid=|v_#valid_3|} OutVars{#length=|v_#length_2|, #valid=|v_#valid_3|} AuxVars[] AssignedVars[] {170#true} is VALID [2022-02-20 20:42:44,066 INFO L290 TraceCheckUtils]: 8: Hoare triple {170#true} [495] L690-4-->L696: Formula: (and (= 3 |v_~#__global_lock~0.base_1|) (= |v_~#__global_lock~0.offset_1| 0)) InVars {} OutVars{~#__global_lock~0.base=|v_~#__global_lock~0.base_1|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_1|} AuxVars[] AssignedVars[~#__global_lock~0.offset, ~#__global_lock~0.base] {170#true} is VALID [2022-02-20 20:42:44,066 INFO L290 TraceCheckUtils]: 9: Hoare triple {170#true} [475] L696-->L696-1: Formula: (and (= (select |v_#length_3| 3) 24) (= (select |v_#valid_4| 3) 1)) InVars {#length=|v_#length_3|, #valid=|v_#valid_4|} OutVars{#length=|v_#length_3|, #valid=|v_#valid_4|} AuxVars[] AssignedVars[] {170#true} is VALID [2022-02-20 20:42:44,066 INFO L290 TraceCheckUtils]: 10: Hoare triple {170#true} [542] L696-1-->L696-2: Formula: (= (select (select |v_#memory_int_3| |v_~#__global_lock~0.base_2|) |v_~#__global_lock~0.offset_2|) 0) InVars {#memory_int=|v_#memory_int_3|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_2|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_2|} OutVars{#memory_int=|v_#memory_int_3|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_2|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_2|} AuxVars[] AssignedVars[] {170#true} is VALID [2022-02-20 20:42:44,066 INFO L290 TraceCheckUtils]: 11: Hoare triple {170#true} [448] L696-2-->L696-3: Formula: (= (select (select |v_#memory_int_4| |v_~#__global_lock~0.base_3|) (+ |v_~#__global_lock~0.offset_3| 4)) 0) InVars {#memory_int=|v_#memory_int_4|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_3|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_3|} OutVars{#memory_int=|v_#memory_int_4|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_3|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_3|} AuxVars[] AssignedVars[] {170#true} is VALID [2022-02-20 20:42:44,067 INFO L290 TraceCheckUtils]: 12: Hoare triple {170#true} [563] L696-3-->L696-4: Formula: (= (select (select |v_#memory_int_5| |v_~#__global_lock~0.base_4|) (+ |v_~#__global_lock~0.offset_4| 8)) 0) InVars {#memory_int=|v_#memory_int_5|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_4|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_4|} OutVars{#memory_int=|v_#memory_int_5|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_4|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_4|} AuxVars[] AssignedVars[] {170#true} is VALID [2022-02-20 20:42:44,067 INFO L290 TraceCheckUtils]: 13: Hoare triple {170#true} [549] L696-4-->L696-5: Formula: (= (select (select |v_#memory_int_6| |v_~#__global_lock~0.base_5|) (+ |v_~#__global_lock~0.offset_5| 12)) 0) InVars {#memory_int=|v_#memory_int_6|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_5|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_5|} OutVars{#memory_int=|v_#memory_int_6|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_5|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_5|} AuxVars[] AssignedVars[] {170#true} is VALID [2022-02-20 20:42:44,067 INFO L290 TraceCheckUtils]: 14: Hoare triple {170#true} [481] L696-5-->L696-6: Formula: (= (select (select |v_#memory_int_7| |v_~#__global_lock~0.base_6|) (+ 16 |v_~#__global_lock~0.offset_6|)) 0) InVars {#memory_int=|v_#memory_int_7|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_6|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_6|} OutVars{#memory_int=|v_#memory_int_7|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_6|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_6|} AuxVars[] AssignedVars[] {170#true} is VALID [2022-02-20 20:42:44,067 INFO L290 TraceCheckUtils]: 15: Hoare triple {170#true} [491] L696-6-->L698: Formula: (= v_~x~0_1 0) InVars {} OutVars{~x~0=v_~x~0_1} AuxVars[] AssignedVars[~x~0] {170#true} is VALID [2022-02-20 20:42:44,068 INFO L290 TraceCheckUtils]: 16: Hoare triple {170#true} [531] L698-->L698-1: Formula: (and (= 4 |v_~#mutex~0.base_1|) (= |v_~#mutex~0.offset_1| 0)) InVars {} OutVars{~#mutex~0.base=|v_~#mutex~0.base_1|, ~#mutex~0.offset=|v_~#mutex~0.offset_1|} AuxVars[] AssignedVars[~#mutex~0.base, ~#mutex~0.offset] {170#true} is VALID [2022-02-20 20:42:44,068 INFO L290 TraceCheckUtils]: 17: Hoare triple {170#true} [529] L698-1-->L698-2: Formula: (and (= (select |v_#length_4| 4) 24) (= (select |v_#valid_5| 4) 1)) InVars {#length=|v_#length_4|, #valid=|v_#valid_5|} OutVars{#length=|v_#length_4|, #valid=|v_#valid_5|} AuxVars[] AssignedVars[] {170#true} is VALID [2022-02-20 20:42:44,068 INFO L290 TraceCheckUtils]: 18: Hoare triple {170#true} [552] L698-2-->L698-3: Formula: (= (select (select |v_#memory_int_8| |v_~#mutex~0.base_2|) |v_~#mutex~0.offset_2|) 0) InVars {~#mutex~0.offset=|v_~#mutex~0.offset_2|, #memory_int=|v_#memory_int_8|, ~#mutex~0.base=|v_~#mutex~0.base_2|} OutVars{~#mutex~0.offset=|v_~#mutex~0.offset_2|, #memory_int=|v_#memory_int_8|, ~#mutex~0.base=|v_~#mutex~0.base_2|} AuxVars[] AssignedVars[] {170#true} is VALID [2022-02-20 20:42:44,068 INFO L290 TraceCheckUtils]: 19: Hoare triple {170#true} [454] L698-3-->L698-4: Formula: (= (select (select |v_#memory_int_9| |v_~#mutex~0.base_3|) (+ |v_~#mutex~0.offset_3| 4)) 0) InVars {~#mutex~0.offset=|v_~#mutex~0.offset_3|, #memory_int=|v_#memory_int_9|, ~#mutex~0.base=|v_~#mutex~0.base_3|} OutVars{~#mutex~0.offset=|v_~#mutex~0.offset_3|, #memory_int=|v_#memory_int_9|, ~#mutex~0.base=|v_~#mutex~0.base_3|} AuxVars[] AssignedVars[] {170#true} is VALID [2022-02-20 20:42:44,068 INFO L290 TraceCheckUtils]: 20: Hoare triple {170#true} [530] L698-4-->L698-5: Formula: (= (select (select |v_#memory_int_10| |v_~#mutex~0.base_4|) (+ |v_~#mutex~0.offset_4| 8)) 0) InVars {~#mutex~0.offset=|v_~#mutex~0.offset_4|, #memory_int=|v_#memory_int_10|, ~#mutex~0.base=|v_~#mutex~0.base_4|} OutVars{~#mutex~0.offset=|v_~#mutex~0.offset_4|, #memory_int=|v_#memory_int_10|, ~#mutex~0.base=|v_~#mutex~0.base_4|} AuxVars[] AssignedVars[] {170#true} is VALID [2022-02-20 20:42:44,069 INFO L290 TraceCheckUtils]: 21: Hoare triple {170#true} [555] L698-5-->L698-6: Formula: (= (select (select |v_#memory_int_11| |v_~#mutex~0.base_5|) (+ |v_~#mutex~0.offset_5| 12)) 0) InVars {~#mutex~0.offset=|v_~#mutex~0.offset_5|, #memory_int=|v_#memory_int_11|, ~#mutex~0.base=|v_~#mutex~0.base_5|} OutVars{~#mutex~0.offset=|v_~#mutex~0.offset_5|, #memory_int=|v_#memory_int_11|, ~#mutex~0.base=|v_~#mutex~0.base_5|} AuxVars[] AssignedVars[] {170#true} is VALID [2022-02-20 20:42:44,069 INFO L290 TraceCheckUtils]: 22: Hoare triple {170#true} [553] L698-6-->L698-7: Formula: (= (select (select |v_#memory_int_12| |v_~#mutex~0.base_6|) (+ |v_~#mutex~0.offset_6| 16)) 0) InVars {~#mutex~0.offset=|v_~#mutex~0.offset_6|, #memory_int=|v_#memory_int_12|, ~#mutex~0.base=|v_~#mutex~0.base_6|} OutVars{~#mutex~0.offset=|v_~#mutex~0.offset_6|, #memory_int=|v_#memory_int_12|, ~#mutex~0.base=|v_~#mutex~0.base_6|} AuxVars[] AssignedVars[] {170#true} is VALID [2022-02-20 20:42:44,069 INFO L290 TraceCheckUtils]: 23: Hoare triple {170#true} [447] L698-7-->L-1-3: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {170#true} is VALID [2022-02-20 20:42:44,069 INFO L290 TraceCheckUtils]: 24: Hoare triple {170#true} [561] L-1-3-->L-1-4: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {170#true} is VALID [2022-02-20 20:42:44,069 INFO L290 TraceCheckUtils]: 25: Hoare triple {170#true} [474] L-1-4-->L-1-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1] {170#true} is VALID [2022-02-20 20:42:44,070 INFO L290 TraceCheckUtils]: 26: Hoare triple {170#true} [444] L-1-5-->L711: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~post16#1=|v_ULTIMATE.start_main_#t~post16#1_1|, ULTIMATE.start_main_~i~1#1=|v_ULTIMATE.start_main_~i~1#1_1|, ULTIMATE.start_main_#t~post14#1=|v_ULTIMATE.start_main_#t~post14#1_1|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_1|, ULTIMATE.start_main_#t~post18#1=|v_ULTIMATE.start_main_#t~post18#1_1|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_1|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_1|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_1|, ULTIMATE.start_main_~#t_ids~0#1.base=|v_ULTIMATE.start_main_~#t_ids~0#1.base_1|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_1|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_1|, ULTIMATE.start_main_#t~post9#1=|v_ULTIMATE.start_main_#t~post9#1_1|, ULTIMATE.start_main_~#t_ids~0#1.offset=|v_ULTIMATE.start_main_~#t_ids~0#1.offset_1|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_1|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~post16#1, ULTIMATE.start_main_~i~1#1, ULTIMATE.start_main_#t~post14#1, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~post18#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~#t_ids~0#1.base, ULTIMATE.start_main_#t~pre10#1, ULTIMATE.start_main_#t~nondet13#1, ULTIMATE.start_main_#t~post9#1, ULTIMATE.start_main_~#t_ids~0#1.offset, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#t~nondet15#1] {170#true} is VALID [2022-02-20 20:42:44,070 INFO L290 TraceCheckUtils]: 27: Hoare triple {170#true} [473] L711-->L711-1: Formula: (and (= (store |v_#length_6| |v_ULTIMATE.start_main_~#t_ids~0#1.base_2| 40000) |v_#length_5|) (= |v_#valid_6| (store |v_#valid_7| |v_ULTIMATE.start_main_~#t_ids~0#1.base_2| 1)) (= |v_ULTIMATE.start_main_~#t_ids~0#1.offset_2| 0) (not (= |v_ULTIMATE.start_main_~#t_ids~0#1.base_2| 0)) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_~#t_ids~0#1.base_2|) (= (select |v_#valid_7| |v_ULTIMATE.start_main_~#t_ids~0#1.base_2|) 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_6|, #valid=|v_#valid_7|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|, ULTIMATE.start_main_~#t_ids~0#1.offset=|v_ULTIMATE.start_main_~#t_ids~0#1.offset_2|, #length=|v_#length_5|, ULTIMATE.start_main_~#t_ids~0#1.base=|v_ULTIMATE.start_main_~#t_ids~0#1.base_2|, #valid=|v_#valid_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t_ids~0#1.base, #valid, ULTIMATE.start_main_~#t_ids~0#1.offset, #length] {170#true} is VALID [2022-02-20 20:42:44,070 INFO L290 TraceCheckUtils]: 28: Hoare triple {170#true} [545] L711-1-->L711-13: Formula: (= |v_ULTIMATE.start_main_~i~0#1_2| 0) InVars {} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0#1] {170#true} is VALID [2022-02-20 20:42:44,071 INFO L290 TraceCheckUtils]: 29: Hoare triple {170#true} [509] L711-13-->L711-14: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {171#false} is VALID [2022-02-20 20:42:44,071 INFO L290 TraceCheckUtils]: 30: Hoare triple {171#false} [502] L711-14-->L712: Formula: (let ((.cse0 (select |v_#pthreadsMutex_2| |v_~#mutex~0.base_7|))) (and (= |v_#pthreadsMutex_1| (store |v_#pthreadsMutex_2| |v_~#mutex~0.base_7| (store .cse0 |v_~#mutex~0.offset_7| 1))) (= (select .cse0 |v_~#mutex~0.offset_7|) 0) (= |v_ULTIMATE.start_main_#t~nondet12#1_2| 0))) InVars {~#mutex~0.offset=|v_~#mutex~0.offset_7|, #pthreadsMutex=|v_#pthreadsMutex_2|, ~#mutex~0.base=|v_~#mutex~0.base_7|} OutVars{~#mutex~0.offset=|v_~#mutex~0.offset_7|, #pthreadsMutex=|v_#pthreadsMutex_1|, ~#mutex~0.base=|v_~#mutex~0.base_7|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_2|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~nondet12#1] {171#false} is VALID [2022-02-20 20:42:44,071 INFO L290 TraceCheckUtils]: 31: Hoare triple {171#false} [497] L712-->L713-17: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet12#1] {171#false} is VALID [2022-02-20 20:42:44,071 INFO L290 TraceCheckUtils]: 32: Hoare triple {171#false} [547] L713-17-->L714-6: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {171#false} is VALID [2022-02-20 20:42:44,071 INFO L290 TraceCheckUtils]: 33: Hoare triple {171#false} [492] L714-6-->L714: Formula: (let ((.cse0 (select |v_#pthreadsMutex_12| |v_~#__global_lock~0.base_11|))) (and (= |v_ULTIMATE.start_main_#t~nondet17#1_2| 0) (= (select .cse0 |v_~#__global_lock~0.offset_11|) 0) (= (store |v_#pthreadsMutex_12| |v_~#__global_lock~0.base_11| (store .cse0 |v_~#__global_lock~0.offset_11| 1)) |v_#pthreadsMutex_11|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_12|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_11|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_11|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_11|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_2|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_11|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_11|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~nondet17#1] {171#false} is VALID [2022-02-20 20:42:44,072 INFO L290 TraceCheckUtils]: 34: Hoare triple {171#false} [438] L714-->L714-1: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet17#1] {171#false} is VALID [2022-02-20 20:42:44,072 INFO L290 TraceCheckUtils]: 35: Hoare triple {171#false} [450] L714-1-->L714-2: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {171#false} is VALID [2022-02-20 20:42:44,072 INFO L290 TraceCheckUtils]: 36: Hoare triple {171#false} [517] L714-2-->L714-3: Formula: (= |v_ULTIMATE.start___VERIFIER_assert_#in~cond#1_1| (ite (= v_~x~0_6 0) 1 0)) InVars {~x~0=v_~x~0_6} OutVars{ULTIMATE.start___VERIFIER_assert_#in~cond#1=|v_ULTIMATE.start___VERIFIER_assert_#in~cond#1_1|, ~x~0=v_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_#in~cond#1] {171#false} is VALID [2022-02-20 20:42:44,072 INFO L290 TraceCheckUtils]: 37: Hoare triple {171#false} [431] L714-3-->L691: Formula: true InVars {} OutVars{ULTIMATE.start___VERIFIER_assert_~cond#1=|v_ULTIMATE.start___VERIFIER_assert_~cond#1_1|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~cond#1] {171#false} is VALID [2022-02-20 20:42:44,073 INFO L290 TraceCheckUtils]: 38: Hoare triple {171#false} [463] L691-->L691-1: Formula: (= |v_ULTIMATE.start___VERIFIER_assert_~cond#1_2| |v_ULTIMATE.start___VERIFIER_assert_#in~cond#1_2|) InVars {ULTIMATE.start___VERIFIER_assert_#in~cond#1=|v_ULTIMATE.start___VERIFIER_assert_#in~cond#1_2|} OutVars{ULTIMATE.start___VERIFIER_assert_~cond#1=|v_ULTIMATE.start___VERIFIER_assert_~cond#1_2|, ULTIMATE.start___VERIFIER_assert_#in~cond#1=|v_ULTIMATE.start___VERIFIER_assert_#in~cond#1_2|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~cond#1] {171#false} is VALID [2022-02-20 20:42:44,073 INFO L290 TraceCheckUtils]: 39: Hoare triple {171#false} [570] L691-1-->L691-2: Formula: (= |v_ULTIMATE.start___VERIFIER_assert_~cond#1_3| 0) InVars {ULTIMATE.start___VERIFIER_assert_~cond#1=|v_ULTIMATE.start___VERIFIER_assert_~cond#1_3|} OutVars{ULTIMATE.start___VERIFIER_assert_~cond#1=|v_ULTIMATE.start___VERIFIER_assert_~cond#1_3|} AuxVars[] AssignedVars[] {171#false} is VALID [2022-02-20 20:42:44,073 INFO L290 TraceCheckUtils]: 40: Hoare triple {171#false} [461] L691-2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {171#false} is VALID [2022-02-20 20:42:44,073 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 20:42:44,073 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 20:42:44,074 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551563281] [2022-02-20 20:42:44,074 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551563281] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 20:42:44,074 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 20:42:44,074 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 20:42:44,074 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26390385] [2022-02-20 20:42:44,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 20:42:44,075 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-02-20 20:42:44,075 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 20:42:44,075 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 20:42:44,101 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 20:42:44,101 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 20:42:44,101 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 20:42:44,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 20:42:44,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 20:42:44,102 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 195 [2022-02-20 20:42:44,103 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 195 transitions, 408 flow. Second operand has 2 states, 2 states have (on average 160.0) internal successors, (320), 2 states have internal predecessors, (320), 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 20:42:44,103 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-02-20 20:42:44,103 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 195 [2022-02-20 20:42:44,103 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-02-20 20:42:44,136 INFO L129 PetriNetUnfolder]: 5/279 cut-off events. [2022-02-20 20:42:44,137 INFO L130 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2022-02-20 20:42:44,138 INFO L84 FinitePrefix]: Finished finitePrefix Result has 300 conditions, 279 events. 5/279 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 818 event pairs, 0 based on Foata normal form. 73/338 useless extension candidates. Maximal degree in co-relation 174. Up to 7 conditions per place. [2022-02-20 20:42:44,138 INFO L132 encePairwiseOnDemand]: 166/195 looper letters, 4 selfloop transitions, 0 changer transitions 0/163 dead transitions. [2022-02-20 20:42:44,138 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 163 transitions, 352 flow [2022-02-20 20:42:44,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 20:42:44,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-02-20 20:42:44,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 351 transitions. [2022-02-20 20:42:44,142 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.9 [2022-02-20 20:42:44,142 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 351 transitions. [2022-02-20 20:42:44,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 351 transitions. [2022-02-20 20:42:44,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-20 20:42:44,142 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 351 transitions. [2022-02-20 20:42:44,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 175.5) internal successors, (351), 2 states have internal predecessors, (351), 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 20:42:44,144 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 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 20:42:44,145 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 195.0) internal successors, (585), 3 states have internal predecessors, (585), 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 20:42:44,145 INFO L186 Difference]: Start difference. First operand has 167 places, 195 transitions, 408 flow. Second operand 2 states and 351 transitions. [2022-02-20 20:42:44,145 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 163 transitions, 352 flow [2022-02-20 20:42:44,147 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 165 places, 163 transitions, 352 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-02-20 20:42:44,149 INFO L242 Difference]: Finished difference. Result has 165 places, 163 transitions, 344 flow [2022-02-20 20:42:44,149 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=344, PETRI_PLACES=165, PETRI_TRANSITIONS=163} [2022-02-20 20:42:44,150 INFO L334 CegarLoopForPetriNet]: 167 programPoint places, -2 predicate places. [2022-02-20 20:42:44,150 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 165 places, 163 transitions, 344 flow [2022-02-20 20:42:45,624 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 75227 states, 75203 states have (on average 2.9467042538196613) internal successors, (221601), 75226 states have internal predecessors, (221601), 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 20:42:45,829 INFO L78 Accepts]: Start accepts. Automaton has has 75227 states, 75203 states have (on average 2.9467042538196613) internal successors, (221601), 75226 states have internal predecessors, (221601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-02-20 20:42:45,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 20:42:45,829 INFO L470 AbstractCegarLoop]: Abstraction has has 165 places, 163 transitions, 344 flow [2022-02-20 20:42:45,830 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 160.0) internal successors, (320), 2 states have internal predecessors, (320), 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 20:42:45,830 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-02-20 20:42:45,830 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 20:42:45,830 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 20:42:45,831 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-20 20:42:45,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 20:42:45,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1703677742, now seen corresponding path program 1 times [2022-02-20 20:42:45,831 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 20:42:45,831 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700815359] [2022-02-20 20:42:45,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 20:42:45,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 20:42:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 20:42:45,897 INFO L290 TraceCheckUtils]: 0: Hoare triple {75401#true} [554] ULTIMATE.startENTRY-->L-1: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {75401#true} is VALID [2022-02-20 20:42:45,898 INFO L290 TraceCheckUtils]: 1: Hoare triple {75401#true} [466] 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] {75401#true} is VALID [2022-02-20 20:42:45,898 INFO L290 TraceCheckUtils]: 2: Hoare triple {75401#true} [557] 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[] {75401#true} is VALID [2022-02-20 20:42:45,898 INFO L290 TraceCheckUtils]: 3: Hoare triple {75401#true} [559] L-1-2-->L690: Formula: (< 0 |v_#StackHeapBarrier_1|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|} AuxVars[] AssignedVars[] {75401#true} is VALID [2022-02-20 20:42:45,898 INFO L290 TraceCheckUtils]: 4: Hoare triple {75401#true} [484] L690-->L690-1: 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[] {75401#true} is VALID [2022-02-20 20:42:45,899 INFO L290 TraceCheckUtils]: 5: Hoare triple {75401#true} [437] L690-1-->L690-2: 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[] {75401#true} is VALID [2022-02-20 20:42:45,899 INFO L290 TraceCheckUtils]: 6: Hoare triple {75401#true} [453] L690-2-->L690-3: 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[] {75401#true} is VALID [2022-02-20 20:42:45,899 INFO L290 TraceCheckUtils]: 7: Hoare triple {75401#true} [541] L690-3-->L690-4: Formula: (and (= (select |v_#length_2| 2) 13) (= (select |v_#valid_3| 2) 1)) InVars {#length=|v_#length_2|, #valid=|v_#valid_3|} OutVars{#length=|v_#length_2|, #valid=|v_#valid_3|} AuxVars[] AssignedVars[] {75401#true} is VALID [2022-02-20 20:42:45,899 INFO L290 TraceCheckUtils]: 8: Hoare triple {75401#true} [495] L690-4-->L696: Formula: (and (= 3 |v_~#__global_lock~0.base_1|) (= |v_~#__global_lock~0.offset_1| 0)) InVars {} OutVars{~#__global_lock~0.base=|v_~#__global_lock~0.base_1|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_1|} AuxVars[] AssignedVars[~#__global_lock~0.offset, ~#__global_lock~0.base] {75401#true} is VALID [2022-02-20 20:42:45,899 INFO L290 TraceCheckUtils]: 9: Hoare triple {75401#true} [475] L696-->L696-1: Formula: (and (= (select |v_#length_3| 3) 24) (= (select |v_#valid_4| 3) 1)) InVars {#length=|v_#length_3|, #valid=|v_#valid_4|} OutVars{#length=|v_#length_3|, #valid=|v_#valid_4|} AuxVars[] AssignedVars[] {75401#true} is VALID [2022-02-20 20:42:45,899 INFO L290 TraceCheckUtils]: 10: Hoare triple {75401#true} [542] L696-1-->L696-2: Formula: (= (select (select |v_#memory_int_3| |v_~#__global_lock~0.base_2|) |v_~#__global_lock~0.offset_2|) 0) InVars {#memory_int=|v_#memory_int_3|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_2|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_2|} OutVars{#memory_int=|v_#memory_int_3|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_2|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_2|} AuxVars[] AssignedVars[] {75401#true} is VALID [2022-02-20 20:42:45,900 INFO L290 TraceCheckUtils]: 11: Hoare triple {75401#true} [448] L696-2-->L696-3: Formula: (= (select (select |v_#memory_int_4| |v_~#__global_lock~0.base_3|) (+ |v_~#__global_lock~0.offset_3| 4)) 0) InVars {#memory_int=|v_#memory_int_4|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_3|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_3|} OutVars{#memory_int=|v_#memory_int_4|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_3|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_3|} AuxVars[] AssignedVars[] {75401#true} is VALID [2022-02-20 20:42:45,900 INFO L290 TraceCheckUtils]: 12: Hoare triple {75401#true} [563] L696-3-->L696-4: Formula: (= (select (select |v_#memory_int_5| |v_~#__global_lock~0.base_4|) (+ |v_~#__global_lock~0.offset_4| 8)) 0) InVars {#memory_int=|v_#memory_int_5|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_4|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_4|} OutVars{#memory_int=|v_#memory_int_5|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_4|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_4|} AuxVars[] AssignedVars[] {75401#true} is VALID [2022-02-20 20:42:45,900 INFO L290 TraceCheckUtils]: 13: Hoare triple {75401#true} [549] L696-4-->L696-5: Formula: (= (select (select |v_#memory_int_6| |v_~#__global_lock~0.base_5|) (+ |v_~#__global_lock~0.offset_5| 12)) 0) InVars {#memory_int=|v_#memory_int_6|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_5|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_5|} OutVars{#memory_int=|v_#memory_int_6|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_5|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_5|} AuxVars[] AssignedVars[] {75401#true} is VALID [2022-02-20 20:42:45,900 INFO L290 TraceCheckUtils]: 14: Hoare triple {75401#true} [481] L696-5-->L696-6: Formula: (= (select (select |v_#memory_int_7| |v_~#__global_lock~0.base_6|) (+ 16 |v_~#__global_lock~0.offset_6|)) 0) InVars {#memory_int=|v_#memory_int_7|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_6|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_6|} OutVars{#memory_int=|v_#memory_int_7|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_6|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_6|} AuxVars[] AssignedVars[] {75401#true} is VALID [2022-02-20 20:42:45,901 INFO L290 TraceCheckUtils]: 15: Hoare triple {75401#true} [491] L696-6-->L698: Formula: (= v_~x~0_1 0) InVars {} OutVars{~x~0=v_~x~0_1} AuxVars[] AssignedVars[~x~0] {75403#(= ~x~0 0)} is VALID [2022-02-20 20:42:45,901 INFO L290 TraceCheckUtils]: 16: Hoare triple {75403#(= ~x~0 0)} [531] L698-->L698-1: Formula: (and (= 4 |v_~#mutex~0.base_1|) (= |v_~#mutex~0.offset_1| 0)) InVars {} OutVars{~#mutex~0.base=|v_~#mutex~0.base_1|, ~#mutex~0.offset=|v_~#mutex~0.offset_1|} AuxVars[] AssignedVars[~#mutex~0.base, ~#mutex~0.offset] {75403#(= ~x~0 0)} is VALID [2022-02-20 20:42:45,901 INFO L290 TraceCheckUtils]: 17: Hoare triple {75403#(= ~x~0 0)} [529] L698-1-->L698-2: Formula: (and (= (select |v_#length_4| 4) 24) (= (select |v_#valid_5| 4) 1)) InVars {#length=|v_#length_4|, #valid=|v_#valid_5|} OutVars{#length=|v_#length_4|, #valid=|v_#valid_5|} AuxVars[] AssignedVars[] {75403#(= ~x~0 0)} is VALID [2022-02-20 20:42:45,902 INFO L290 TraceCheckUtils]: 18: Hoare triple {75403#(= ~x~0 0)} [552] L698-2-->L698-3: Formula: (= (select (select |v_#memory_int_8| |v_~#mutex~0.base_2|) |v_~#mutex~0.offset_2|) 0) InVars {~#mutex~0.offset=|v_~#mutex~0.offset_2|, #memory_int=|v_#memory_int_8|, ~#mutex~0.base=|v_~#mutex~0.base_2|} OutVars{~#mutex~0.offset=|v_~#mutex~0.offset_2|, #memory_int=|v_#memory_int_8|, ~#mutex~0.base=|v_~#mutex~0.base_2|} AuxVars[] AssignedVars[] {75403#(= ~x~0 0)} is VALID [2022-02-20 20:42:45,902 INFO L290 TraceCheckUtils]: 19: Hoare triple {75403#(= ~x~0 0)} [454] L698-3-->L698-4: Formula: (= (select (select |v_#memory_int_9| |v_~#mutex~0.base_3|) (+ |v_~#mutex~0.offset_3| 4)) 0) InVars {~#mutex~0.offset=|v_~#mutex~0.offset_3|, #memory_int=|v_#memory_int_9|, ~#mutex~0.base=|v_~#mutex~0.base_3|} OutVars{~#mutex~0.offset=|v_~#mutex~0.offset_3|, #memory_int=|v_#memory_int_9|, ~#mutex~0.base=|v_~#mutex~0.base_3|} AuxVars[] AssignedVars[] {75403#(= ~x~0 0)} is VALID [2022-02-20 20:42:45,903 INFO L290 TraceCheckUtils]: 20: Hoare triple {75403#(= ~x~0 0)} [530] L698-4-->L698-5: Formula: (= (select (select |v_#memory_int_10| |v_~#mutex~0.base_4|) (+ |v_~#mutex~0.offset_4| 8)) 0) InVars {~#mutex~0.offset=|v_~#mutex~0.offset_4|, #memory_int=|v_#memory_int_10|, ~#mutex~0.base=|v_~#mutex~0.base_4|} OutVars{~#mutex~0.offset=|v_~#mutex~0.offset_4|, #memory_int=|v_#memory_int_10|, ~#mutex~0.base=|v_~#mutex~0.base_4|} AuxVars[] AssignedVars[] {75403#(= ~x~0 0)} is VALID [2022-02-20 20:42:45,903 INFO L290 TraceCheckUtils]: 21: Hoare triple {75403#(= ~x~0 0)} [555] L698-5-->L698-6: Formula: (= (select (select |v_#memory_int_11| |v_~#mutex~0.base_5|) (+ |v_~#mutex~0.offset_5| 12)) 0) InVars {~#mutex~0.offset=|v_~#mutex~0.offset_5|, #memory_int=|v_#memory_int_11|, ~#mutex~0.base=|v_~#mutex~0.base_5|} OutVars{~#mutex~0.offset=|v_~#mutex~0.offset_5|, #memory_int=|v_#memory_int_11|, ~#mutex~0.base=|v_~#mutex~0.base_5|} AuxVars[] AssignedVars[] {75403#(= ~x~0 0)} is VALID [2022-02-20 20:42:45,903 INFO L290 TraceCheckUtils]: 22: Hoare triple {75403#(= ~x~0 0)} [553] L698-6-->L698-7: Formula: (= (select (select |v_#memory_int_12| |v_~#mutex~0.base_6|) (+ |v_~#mutex~0.offset_6| 16)) 0) InVars {~#mutex~0.offset=|v_~#mutex~0.offset_6|, #memory_int=|v_#memory_int_12|, ~#mutex~0.base=|v_~#mutex~0.base_6|} OutVars{~#mutex~0.offset=|v_~#mutex~0.offset_6|, #memory_int=|v_#memory_int_12|, ~#mutex~0.base=|v_~#mutex~0.base_6|} AuxVars[] AssignedVars[] {75403#(= ~x~0 0)} is VALID [2022-02-20 20:42:45,904 INFO L290 TraceCheckUtils]: 23: Hoare triple {75403#(= ~x~0 0)} [447] L698-7-->L-1-3: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {75403#(= ~x~0 0)} is VALID [2022-02-20 20:42:45,904 INFO L290 TraceCheckUtils]: 24: Hoare triple {75403#(= ~x~0 0)} [561] L-1-3-->L-1-4: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {75403#(= ~x~0 0)} is VALID [2022-02-20 20:42:45,905 INFO L290 TraceCheckUtils]: 25: Hoare triple {75403#(= ~x~0 0)} [474] L-1-4-->L-1-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1] {75403#(= ~x~0 0)} is VALID [2022-02-20 20:42:45,906 INFO L290 TraceCheckUtils]: 26: Hoare triple {75403#(= ~x~0 0)} [444] L-1-5-->L711: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~post16#1=|v_ULTIMATE.start_main_#t~post16#1_1|, ULTIMATE.start_main_~i~1#1=|v_ULTIMATE.start_main_~i~1#1_1|, ULTIMATE.start_main_#t~post14#1=|v_ULTIMATE.start_main_#t~post14#1_1|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_1|, ULTIMATE.start_main_#t~post18#1=|v_ULTIMATE.start_main_#t~post18#1_1|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_1|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_1|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_1|, ULTIMATE.start_main_~#t_ids~0#1.base=|v_ULTIMATE.start_main_~#t_ids~0#1.base_1|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_1|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_1|, ULTIMATE.start_main_#t~post9#1=|v_ULTIMATE.start_main_#t~post9#1_1|, ULTIMATE.start_main_~#t_ids~0#1.offset=|v_ULTIMATE.start_main_~#t_ids~0#1.offset_1|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_1|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~post16#1, ULTIMATE.start_main_~i~1#1, ULTIMATE.start_main_#t~post14#1, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~post18#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~#t_ids~0#1.base, ULTIMATE.start_main_#t~pre10#1, ULTIMATE.start_main_#t~nondet13#1, ULTIMATE.start_main_#t~post9#1, ULTIMATE.start_main_~#t_ids~0#1.offset, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#t~nondet15#1] {75403#(= ~x~0 0)} is VALID [2022-02-20 20:42:45,907 INFO L290 TraceCheckUtils]: 27: Hoare triple {75403#(= ~x~0 0)} [473] L711-->L711-1: Formula: (and (= (store |v_#length_6| |v_ULTIMATE.start_main_~#t_ids~0#1.base_2| 40000) |v_#length_5|) (= |v_#valid_6| (store |v_#valid_7| |v_ULTIMATE.start_main_~#t_ids~0#1.base_2| 1)) (= |v_ULTIMATE.start_main_~#t_ids~0#1.offset_2| 0) (not (= |v_ULTIMATE.start_main_~#t_ids~0#1.base_2| 0)) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_~#t_ids~0#1.base_2|) (= (select |v_#valid_7| |v_ULTIMATE.start_main_~#t_ids~0#1.base_2|) 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_6|, #valid=|v_#valid_7|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|, ULTIMATE.start_main_~#t_ids~0#1.offset=|v_ULTIMATE.start_main_~#t_ids~0#1.offset_2|, #length=|v_#length_5|, ULTIMATE.start_main_~#t_ids~0#1.base=|v_ULTIMATE.start_main_~#t_ids~0#1.base_2|, #valid=|v_#valid_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t_ids~0#1.base, #valid, ULTIMATE.start_main_~#t_ids~0#1.offset, #length] {75403#(= ~x~0 0)} is VALID [2022-02-20 20:42:45,908 INFO L290 TraceCheckUtils]: 28: Hoare triple {75403#(= ~x~0 0)} [545] L711-1-->L711-13: Formula: (= |v_ULTIMATE.start_main_~i~0#1_2| 0) InVars {} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0#1] {75403#(= ~x~0 0)} is VALID [2022-02-20 20:42:45,910 INFO L290 TraceCheckUtils]: 29: Hoare triple {75403#(= ~x~0 0)} [511] L711-13-->L711-4: Formula: (< |v_ULTIMATE.start_main_~i~0#1_4| 10000) InVars {ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_4|} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_4|} AuxVars[] AssignedVars[] {75403#(= ~x~0 0)} is VALID [2022-02-20 20:42:45,911 INFO L290 TraceCheckUtils]: 30: Hoare triple {75403#(= ~x~0 0)} [543] L711-4-->L711-5: Formula: (= |v_ULTIMATE.start_main_#t~pre10#1_2| |v_#pthreadsForks_1|) InVars {#pthreadsForks=|v_#pthreadsForks_1|} OutVars{#pthreadsForks=|v_#pthreadsForks_1|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~pre10#1] {75403#(= ~x~0 0)} is VALID [2022-02-20 20:42:45,911 INFO L290 TraceCheckUtils]: 31: Hoare triple {75403#(= ~x~0 0)} [436] L711-5-->L711-6: Formula: (= (+ 1 |v_#pthreadsForks_3|) |v_#pthreadsForks_2|) InVars {#pthreadsForks=|v_#pthreadsForks_3|} OutVars{#pthreadsForks=|v_#pthreadsForks_2|} AuxVars[] AssignedVars[#pthreadsForks] {75403#(= ~x~0 0)} is VALID [2022-02-20 20:42:45,913 INFO L290 TraceCheckUtils]: 32: Hoare triple {75403#(= ~x~0 0)} [452] L711-6-->L711-7: Formula: (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t_ids~0#1.base_3| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t_ids~0#1.base_3|) (+ |v_ULTIMATE.start_main_~#t_ids~0#1.offset_3| (* |v_ULTIMATE.start_main_~i~0#1_5| 4)) |v_ULTIMATE.start_main_#t~pre10#1_3|)) |v_#memory_int_13|) InVars {#memory_int=|v_#memory_int_14|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_5|, ULTIMATE.start_main_~#t_ids~0#1.offset=|v_ULTIMATE.start_main_~#t_ids~0#1.offset_3|, ULTIMATE.start_main_~#t_ids~0#1.base=|v_ULTIMATE.start_main_~#t_ids~0#1.base_3|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_3|} OutVars{#memory_int=|v_#memory_int_13|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_5|, ULTIMATE.start_main_~#t_ids~0#1.offset=|v_ULTIMATE.start_main_~#t_ids~0#1.offset_3|, ULTIMATE.start_main_~#t_ids~0#1.base=|v_ULTIMATE.start_main_~#t_ids~0#1.base_3|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_3|} AuxVars[] AssignedVars[#memory_int] {75403#(= ~x~0 0)} is VALID [2022-02-20 20:42:45,913 INFO L290 TraceCheckUtils]: 33: Hoare triple {75403#(= ~x~0 0)} [670] L711-7-->t_funENTRY: Formula: (and (= |v_t_funThread1of2ForFork0_#in~arg#1.base_4| 0) (= |v_t_funThread1of2ForFork0_#in~arg#1.offset_4| 0) (= v_t_funThread1of2ForFork0_thidvar0_2 |v_ULTIMATE.start_main_#t~pre10#1_8|)) InVars {ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_8|} OutVars{t_funThread1of2ForFork0_#in~arg#1.base=|v_t_funThread1of2ForFork0_#in~arg#1.base_4|, t_funThread1of2ForFork0_#t~nondet3#1=|v_t_funThread1of2ForFork0_#t~nondet3#1_6|, t_funThread1of2ForFork0_#t~post6#1=|v_t_funThread1of2ForFork0_#t~post6#1_8|, t_funThread1of2ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread1of2ForFork0___VERIFIER_assert_~cond#1_10|, t_funThread1of2ForFork0_#t~nondet4#1=|v_t_funThread1of2ForFork0_#t~nondet4#1_6|, t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1_6|, t_funThread1of2ForFork0_#t~nondet7#1=|v_t_funThread1of2ForFork0_#t~nondet7#1_6|, t_funThread1of2ForFork0_thidvar0=v_t_funThread1of2ForFork0_thidvar0_2, t_funThread1of2ForFork0_#res#1.base=|v_t_funThread1of2ForFork0_#res#1.base_4|, t_funThread1of2ForFork0_#t~post8#1=|v_t_funThread1of2ForFork0_#t~post8#1_8|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_8|, t_funThread1of2ForFork0_#t~nondet5#1=|v_t_funThread1of2ForFork0_#t~nondet5#1_6|, t_funThread1of2ForFork0_~arg#1.offset=|v_t_funThread1of2ForFork0_~arg#1.offset_4|, t_funThread1of2ForFork0_~arg#1.base=|v_t_funThread1of2ForFork0_~arg#1.base_4|, t_funThread1of2ForFork0_#res#1.offset=|v_t_funThread1of2ForFork0_#res#1.offset_4|, t_funThread1of2ForFork0_#in~arg#1.offset=|v_t_funThread1of2ForFork0_#in~arg#1.offset_4|} AuxVars[] AssignedVars[t_funThread1of2ForFork0_#in~arg#1.base, t_funThread1of2ForFork0_#t~nondet3#1, t_funThread1of2ForFork0_#t~post6#1, t_funThread1of2ForFork0___VERIFIER_assert_~cond#1, t_funThread1of2ForFork0_#t~nondet4#1, t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1, t_funThread1of2ForFork0_#t~nondet7#1, t_funThread1of2ForFork0_thidvar0, t_funThread1of2ForFork0_#res#1.base, t_funThread1of2ForFork0_#t~post8#1, t_funThread1of2ForFork0_#t~nondet5#1, t_funThread1of2ForFork0_~arg#1.offset, t_funThread1of2ForFork0_~arg#1.base, t_funThread1of2ForFork0_#res#1.offset, t_funThread1of2ForFork0_#in~arg#1.offset] {75403#(= ~x~0 0)} is VALID [2022-02-20 20:42:45,920 INFO L290 TraceCheckUtils]: 34: Hoare triple {75403#(= ~x~0 0)} [575] t_funENTRY-->L700: Formula: (and (= |v_t_funThread1of2ForFork0_~arg#1.offset_1| |v_t_funThread1of2ForFork0_#in~arg#1.offset_1|) (= |v_t_funThread1of2ForFork0_~arg#1.base_1| |v_t_funThread1of2ForFork0_#in~arg#1.base_1|)) InVars {t_funThread1of2ForFork0_#in~arg#1.base=|v_t_funThread1of2ForFork0_#in~arg#1.base_1|, t_funThread1of2ForFork0_#in~arg#1.offset=|v_t_funThread1of2ForFork0_#in~arg#1.offset_1|} OutVars{t_funThread1of2ForFork0_#in~arg#1.base=|v_t_funThread1of2ForFork0_#in~arg#1.base_1|, t_funThread1of2ForFork0_~arg#1.offset=|v_t_funThread1of2ForFork0_~arg#1.offset_1|, t_funThread1of2ForFork0_~arg#1.base=|v_t_funThread1of2ForFork0_~arg#1.base_1|, t_funThread1of2ForFork0_#in~arg#1.offset=|v_t_funThread1of2ForFork0_#in~arg#1.offset_1|} AuxVars[] AssignedVars[t_funThread1of2ForFork0_~arg#1.offset, t_funThread1of2ForFork0_~arg#1.base] {75403#(= ~x~0 0)} is VALID [2022-02-20 20:42:45,921 INFO L290 TraceCheckUtils]: 35: Hoare triple {75403#(= ~x~0 0)} [576] L700-->L700-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_24| |v_~#mutex~0.base_9|))) (and (= |v_t_funThread1of2ForFork0_#t~nondet3#1_1| 0) (= (select .cse0 |v_~#mutex~0.offset_9|) 0) (= (store |v_#pthreadsMutex_24| |v_~#mutex~0.base_9| (store .cse0 |v_~#mutex~0.offset_9| 1)) |v_#pthreadsMutex_23|))) InVars {~#mutex~0.offset=|v_~#mutex~0.offset_9|, #pthreadsMutex=|v_#pthreadsMutex_24|, ~#mutex~0.base=|v_~#mutex~0.base_9|} OutVars{~#mutex~0.offset=|v_~#mutex~0.offset_9|, #pthreadsMutex=|v_#pthreadsMutex_23|, ~#mutex~0.base=|v_~#mutex~0.base_9|, t_funThread1of2ForFork0_#t~nondet3#1=|v_t_funThread1of2ForFork0_#t~nondet3#1_1|} AuxVars[] AssignedVars[#pthreadsMutex, t_funThread1of2ForFork0_#t~nondet3#1] {75403#(= ~x~0 0)} is VALID [2022-02-20 20:42:45,922 INFO L290 TraceCheckUtils]: 36: Hoare triple {75403#(= ~x~0 0)} [577] L700-1-->L701: Formula: true InVars {} OutVars{t_funThread1of2ForFork0_#t~nondet3#1=|v_t_funThread1of2ForFork0_#t~nondet3#1_3|} AuxVars[] AssignedVars[t_funThread1of2ForFork0_#t~nondet3#1] {75403#(= ~x~0 0)} is VALID [2022-02-20 20:42:45,924 INFO L290 TraceCheckUtils]: 37: Hoare triple {75403#(= ~x~0 0)} [578] L701-->L702-7: Formula: (= v_~x~0_11 0) InVars {~x~0=v_~x~0_11} OutVars{~x~0=v_~x~0_11} AuxVars[] AssignedVars[] {75403#(= ~x~0 0)} is VALID [2022-02-20 20:42:45,924 INFO L290 TraceCheckUtils]: 38: Hoare triple {75403#(= ~x~0 0)} [580] L702-7-->L702-1: Formula: (let ((.cse0 (select |v_#pthreadsMutex_28| |v_~#__global_lock~0.base_17|))) (and (= (store |v_#pthreadsMutex_28| |v_~#__global_lock~0.base_17| (store .cse0 |v_~#__global_lock~0.offset_17| 1)) |v_#pthreadsMutex_27|) (= |v_t_funThread1of2ForFork0_#t~nondet4#1_1| 0) (= (select .cse0 |v_~#__global_lock~0.offset_17|) 0))) InVars {#pthreadsMutex=|v_#pthreadsMutex_28|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_17|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_17|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_27|, t_funThread1of2ForFork0_#t~nondet4#1=|v_t_funThread1of2ForFork0_#t~nondet4#1_1|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_17|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_17|} AuxVars[] AssignedVars[#pthreadsMutex, t_funThread1of2ForFork0_#t~nondet4#1] {75403#(= ~x~0 0)} is VALID [2022-02-20 20:42:45,925 INFO L290 TraceCheckUtils]: 39: Hoare triple {75403#(= ~x~0 0)} [583] L702-1-->L702-2: Formula: true InVars {} OutVars{t_funThread1of2ForFork0_#t~nondet4#1=|v_t_funThread1of2ForFork0_#t~nondet4#1_3|} AuxVars[] AssignedVars[t_funThread1of2ForFork0_#t~nondet4#1] {75403#(= ~x~0 0)} is VALID [2022-02-20 20:42:45,925 INFO L290 TraceCheckUtils]: 40: Hoare triple {75403#(= ~x~0 0)} [587] L702-2-->L702-3: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {75403#(= ~x~0 0)} is VALID [2022-02-20 20:42:45,926 INFO L290 TraceCheckUtils]: 41: Hoare triple {75403#(= ~x~0 0)} [591] L702-3-->L702-4: Formula: (= (ite (= v_~x~0_12 0) 1 0) |v_t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1_1|) InVars {~x~0=v_~x~0_12} OutVars{t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1_1|, ~x~0=v_~x~0_12} AuxVars[] AssignedVars[t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1] {75404#(not (= |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| 0))} is VALID [2022-02-20 20:42:45,926 INFO L290 TraceCheckUtils]: 42: Hoare triple {75404#(not (= |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| 0))} [596] L702-4-->L691: Formula: true InVars {} OutVars{t_funThread1of2ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread1of2ForFork0___VERIFIER_assert_~cond#1_1|} AuxVars[] AssignedVars[t_funThread1of2ForFork0___VERIFIER_assert_~cond#1] {75404#(not (= |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| 0))} is VALID [2022-02-20 20:42:45,927 INFO L290 TraceCheckUtils]: 43: Hoare triple {75404#(not (= |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| 0))} [601] L691-->L691-1: Formula: (= |v_t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1_3| |v_t_funThread1of2ForFork0___VERIFIER_assert_~cond#1_3|) InVars {t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1_3|} OutVars{t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1=|v_t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1_3|, t_funThread1of2ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread1of2ForFork0___VERIFIER_assert_~cond#1_3|} AuxVars[] AssignedVars[t_funThread1of2ForFork0___VERIFIER_assert_~cond#1] {75405#(not (= |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| 0))} is VALID [2022-02-20 20:42:45,928 INFO L290 TraceCheckUtils]: 44: Hoare triple {75405#(not (= |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| 0))} [604] L691-1-->L691-2: Formula: (= |v_t_funThread1of2ForFork0___VERIFIER_assert_~cond#1_5| 0) InVars {t_funThread1of2ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread1of2ForFork0___VERIFIER_assert_~cond#1_5|} OutVars{t_funThread1of2ForFork0___VERIFIER_assert_~cond#1=|v_t_funThread1of2ForFork0___VERIFIER_assert_~cond#1_5|} AuxVars[] AssignedVars[] {75402#false} is VALID [2022-02-20 20:42:45,929 INFO L290 TraceCheckUtils]: 45: Hoare triple {75402#false} [608] L691-2-->t_funErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {75402#false} is VALID [2022-02-20 20:42:45,929 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 20:42:45,930 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 20:42:45,930 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700815359] [2022-02-20 20:42:45,931 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700815359] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 20:42:45,931 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 20:42:45,931 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 20:42:45,932 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85790492] [2022-02-20 20:42:45,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 20:42:45,932 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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 46 [2022-02-20 20:42:45,933 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 20:42:45,933 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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 20:42:46,064 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 46 edges. 46 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 20:42:46,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 20:42:46,065 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 20:42:46,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 20:42:46,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 20:42:46,067 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 195 [2022-02-20 20:42:46,068 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 163 transitions, 344 flow. Second operand has 5 states, 5 states have (on average 136.4) internal successors, (682), 5 states have internal predecessors, (682), 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 20:42:46,068 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-02-20 20:42:46,068 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 195 [2022-02-20 20:42:46,068 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-02-20 20:42:47,004 INFO L129 PetriNetUnfolder]: 1287/6350 cut-off events. [2022-02-20 20:42:47,004 INFO L130 PetriNetUnfolder]: For 338/338 co-relation queries the response was YES. [2022-02-20 20:42:47,016 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8735 conditions, 6350 events. 1287/6350 cut-off events. For 338/338 co-relation queries the response was YES. Maximal size of possible extension queue 296. Compared 69983 event pairs, 495 based on Foata normal form. 0/5972 useless extension candidates. Maximal degree in co-relation 8730. Up to 1001 conditions per place. [2022-02-20 20:42:47,035 INFO L132 encePairwiseOnDemand]: 180/195 looper letters, 94 selfloop transitions, 26 changer transitions 3/258 dead transitions. [2022-02-20 20:42:47,035 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 258 transitions, 826 flow [2022-02-20 20:42:47,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-20 20:42:47,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-02-20 20:42:47,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1344 transitions. [2022-02-20 20:42:47,045 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.7658119658119659 [2022-02-20 20:42:47,045 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1344 transitions. [2022-02-20 20:42:47,046 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1344 transitions. [2022-02-20 20:42:47,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-20 20:42:47,046 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1344 transitions. [2022-02-20 20:42:47,049 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 149.33333333333334) internal successors, (1344), 9 states have internal predecessors, (1344), 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 20:42:47,051 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 195.0) internal successors, (1950), 10 states have internal predecessors, (1950), 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 20:42:47,051 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 195.0) internal successors, (1950), 10 states have internal predecessors, (1950), 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 20:42:47,051 INFO L186 Difference]: Start difference. First operand has 165 places, 163 transitions, 344 flow. Second operand 9 states and 1344 transitions. [2022-02-20 20:42:47,051 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 258 transitions, 826 flow [2022-02-20 20:42:47,072 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 258 transitions, 826 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-02-20 20:42:47,075 INFO L242 Difference]: Finished difference. Result has 180 places, 189 transitions, 551 flow [2022-02-20 20:42:47,075 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=163, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=551, PETRI_PLACES=180, PETRI_TRANSITIONS=189} [2022-02-20 20:42:47,076 INFO L334 CegarLoopForPetriNet]: 167 programPoint places, 13 predicate places. [2022-02-20 20:42:47,076 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 180 places, 189 transitions, 551 flow [2022-02-20 20:42:50,238 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 115496 states, 115414 states have (on average 2.857538946748228) internal successors, (329800), 115495 states have internal predecessors, (329800), 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 20:42:50,671 INFO L78 Accepts]: Start accepts. Automaton has has 115496 states, 115414 states have (on average 2.857538946748228) internal successors, (329800), 115495 states have internal predecessors, (329800), 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 46 [2022-02-20 20:42:50,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 20:42:50,673 INFO L470 AbstractCegarLoop]: Abstraction has has 180 places, 189 transitions, 551 flow [2022-02-20 20:42:50,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 136.4) internal successors, (682), 5 states have internal predecessors, (682), 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 20:42:50,674 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-02-20 20:42:50,674 INFO L254 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 2, 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] [2022-02-20 20:42:50,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 20:42:50,674 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-20 20:42:50,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 20:42:50,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1080746650, now seen corresponding path program 1 times [2022-02-20 20:42:50,683 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 20:42:50,683 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271192684] [2022-02-20 20:42:50,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 20:42:50,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 20:42:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 20:42:50,775 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-20 20:42:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-20 20:42:50,858 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-20 20:42:50,859 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-20 20:42:50,859 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 5 remaining) [2022-02-20 20:42:50,859 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-02-20 20:42:50,871 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2022-02-20 20:42:50,872 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2022-02-20 20:42:50,872 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-02-20 20:42:50,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-20 20:42:50,872 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-02-20 20:42:50,873 WARN L235 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-20 20:42:50,873 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-02-20 20:42:50,927 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,928 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,929 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,930 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,931 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,932 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,933 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,934 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,935 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,936 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,937 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,938 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,939 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,940 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,941 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,942 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,943 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,944 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,945 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,946 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,947 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,948 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,949 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,950 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,951 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,953 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,953 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,953 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,953 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,953 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,953 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,953 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,954 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,955 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,955 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,955 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,955 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,955 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,956 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,957 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:50,958 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:51,147 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:51,147 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:51,147 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:51,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:51,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:51,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:51,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:51,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:51,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:51,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:51,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:51,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:51,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:51,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:51,148 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-20 20:42:51,157 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-20 20:42:51,161 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 20:42:51,162 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 20:42:51,163 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-02-20 20:42:51,165 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 207 places, 244 transitions, 518 flow [2022-02-20 20:42:51,282 INFO L129 PetriNetUnfolder]: 86/501 cut-off events. [2022-02-20 20:42:51,289 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2022-02-20 20:42:51,295 INFO L84 FinitePrefix]: Finished finitePrefix Result has 529 conditions, 501 events. 86/501 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1993 event pairs, 1 based on Foata normal form. 0/404 useless extension candidates. Maximal degree in co-relation 344. Up to 16 conditions per place. [2022-02-20 20:42:51,311 INFO L82 GeneralOperation]: Start removeDead. Operand has 207 places, 244 transitions, 518 flow [2022-02-20 20:42:51,317 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 207 places, 244 transitions, 518 flow [2022-02-20 20:42:51,323 INFO L129 PetriNetUnfolder]: 11/101 cut-off events. [2022-02-20 20:42:51,324 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-02-20 20:42:51,324 INFO L246 CegarLoopForPetriNet]: Found error trace [2022-02-20 20:42:51,324 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, 1, 1, 1, 1] [2022-02-20 20:42:51,325 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-02-20 20:42:51,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 20:42:51,326 INFO L85 PathProgramCache]: Analyzing trace with hash -2095703407, now seen corresponding path program 1 times [2022-02-20 20:42:51,326 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 20:42:51,326 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199941993] [2022-02-20 20:42:51,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 20:42:51,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 20:42:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 20:42:51,395 INFO L290 TraceCheckUtils]: 0: Hoare triple {210#true} [798] ULTIMATE.startENTRY-->L-1: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {210#true} is VALID [2022-02-20 20:42:51,395 INFO L290 TraceCheckUtils]: 1: Hoare triple {210#true} [710] 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] {210#true} is VALID [2022-02-20 20:42:51,396 INFO L290 TraceCheckUtils]: 2: Hoare triple {210#true} [801] 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[] {210#true} is VALID [2022-02-20 20:42:51,396 INFO L290 TraceCheckUtils]: 3: Hoare triple {210#true} [803] L-1-2-->L690: Formula: (< 0 |v_#StackHeapBarrier_1|) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_1|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_1|} AuxVars[] AssignedVars[] {210#true} is VALID [2022-02-20 20:42:51,396 INFO L290 TraceCheckUtils]: 4: Hoare triple {210#true} [728] L690-->L690-1: 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[] {210#true} is VALID [2022-02-20 20:42:51,396 INFO L290 TraceCheckUtils]: 5: Hoare triple {210#true} [681] L690-1-->L690-2: 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[] {210#true} is VALID [2022-02-20 20:42:51,396 INFO L290 TraceCheckUtils]: 6: Hoare triple {210#true} [697] L690-2-->L690-3: 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[] {210#true} is VALID [2022-02-20 20:42:51,396 INFO L290 TraceCheckUtils]: 7: Hoare triple {210#true} [785] L690-3-->L690-4: Formula: (and (= (select |v_#length_2| 2) 13) (= (select |v_#valid_3| 2) 1)) InVars {#length=|v_#length_2|, #valid=|v_#valid_3|} OutVars{#length=|v_#length_2|, #valid=|v_#valid_3|} AuxVars[] AssignedVars[] {210#true} is VALID [2022-02-20 20:42:51,397 INFO L290 TraceCheckUtils]: 8: Hoare triple {210#true} [739] L690-4-->L696: Formula: (and (= 3 |v_~#__global_lock~0.base_1|) (= |v_~#__global_lock~0.offset_1| 0)) InVars {} OutVars{~#__global_lock~0.base=|v_~#__global_lock~0.base_1|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_1|} AuxVars[] AssignedVars[~#__global_lock~0.offset, ~#__global_lock~0.base] {210#true} is VALID [2022-02-20 20:42:51,397 INFO L290 TraceCheckUtils]: 9: Hoare triple {210#true} [719] L696-->L696-1: Formula: (and (= (select |v_#length_3| 3) 24) (= (select |v_#valid_4| 3) 1)) InVars {#length=|v_#length_3|, #valid=|v_#valid_4|} OutVars{#length=|v_#length_3|, #valid=|v_#valid_4|} AuxVars[] AssignedVars[] {210#true} is VALID [2022-02-20 20:42:51,397 INFO L290 TraceCheckUtils]: 10: Hoare triple {210#true} [786] L696-1-->L696-2: Formula: (= (select (select |v_#memory_int_3| |v_~#__global_lock~0.base_2|) |v_~#__global_lock~0.offset_2|) 0) InVars {#memory_int=|v_#memory_int_3|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_2|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_2|} OutVars{#memory_int=|v_#memory_int_3|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_2|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_2|} AuxVars[] AssignedVars[] {210#true} is VALID [2022-02-20 20:42:51,397 INFO L290 TraceCheckUtils]: 11: Hoare triple {210#true} [692] L696-2-->L696-3: Formula: (= (select (select |v_#memory_int_4| |v_~#__global_lock~0.base_3|) (+ |v_~#__global_lock~0.offset_3| 4)) 0) InVars {#memory_int=|v_#memory_int_4|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_3|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_3|} OutVars{#memory_int=|v_#memory_int_4|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_3|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_3|} AuxVars[] AssignedVars[] {210#true} is VALID [2022-02-20 20:42:51,397 INFO L290 TraceCheckUtils]: 12: Hoare triple {210#true} [807] L696-3-->L696-4: Formula: (= (select (select |v_#memory_int_5| |v_~#__global_lock~0.base_4|) (+ |v_~#__global_lock~0.offset_4| 8)) 0) InVars {#memory_int=|v_#memory_int_5|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_4|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_4|} OutVars{#memory_int=|v_#memory_int_5|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_4|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_4|} AuxVars[] AssignedVars[] {210#true} is VALID [2022-02-20 20:42:51,397 INFO L290 TraceCheckUtils]: 13: Hoare triple {210#true} [793] L696-4-->L696-5: Formula: (= (select (select |v_#memory_int_6| |v_~#__global_lock~0.base_5|) (+ |v_~#__global_lock~0.offset_5| 12)) 0) InVars {#memory_int=|v_#memory_int_6|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_5|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_5|} OutVars{#memory_int=|v_#memory_int_6|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_5|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_5|} AuxVars[] AssignedVars[] {210#true} is VALID [2022-02-20 20:42:51,398 INFO L290 TraceCheckUtils]: 14: Hoare triple {210#true} [725] L696-5-->L696-6: Formula: (= (select (select |v_#memory_int_7| |v_~#__global_lock~0.base_6|) (+ 16 |v_~#__global_lock~0.offset_6|)) 0) InVars {#memory_int=|v_#memory_int_7|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_6|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_6|} OutVars{#memory_int=|v_#memory_int_7|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_6|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_6|} AuxVars[] AssignedVars[] {210#true} is VALID [2022-02-20 20:42:51,398 INFO L290 TraceCheckUtils]: 15: Hoare triple {210#true} [735] L696-6-->L698: Formula: (= v_~x~0_1 0) InVars {} OutVars{~x~0=v_~x~0_1} AuxVars[] AssignedVars[~x~0] {210#true} is VALID [2022-02-20 20:42:51,398 INFO L290 TraceCheckUtils]: 16: Hoare triple {210#true} [775] L698-->L698-1: Formula: (and (= 4 |v_~#mutex~0.base_1|) (= |v_~#mutex~0.offset_1| 0)) InVars {} OutVars{~#mutex~0.base=|v_~#mutex~0.base_1|, ~#mutex~0.offset=|v_~#mutex~0.offset_1|} AuxVars[] AssignedVars[~#mutex~0.base, ~#mutex~0.offset] {210#true} is VALID [2022-02-20 20:42:51,398 INFO L290 TraceCheckUtils]: 17: Hoare triple {210#true} [773] L698-1-->L698-2: Formula: (and (= (select |v_#length_4| 4) 24) (= (select |v_#valid_5| 4) 1)) InVars {#length=|v_#length_4|, #valid=|v_#valid_5|} OutVars{#length=|v_#length_4|, #valid=|v_#valid_5|} AuxVars[] AssignedVars[] {210#true} is VALID [2022-02-20 20:42:51,398 INFO L290 TraceCheckUtils]: 18: Hoare triple {210#true} [796] L698-2-->L698-3: Formula: (= (select (select |v_#memory_int_8| |v_~#mutex~0.base_2|) |v_~#mutex~0.offset_2|) 0) InVars {~#mutex~0.offset=|v_~#mutex~0.offset_2|, #memory_int=|v_#memory_int_8|, ~#mutex~0.base=|v_~#mutex~0.base_2|} OutVars{~#mutex~0.offset=|v_~#mutex~0.offset_2|, #memory_int=|v_#memory_int_8|, ~#mutex~0.base=|v_~#mutex~0.base_2|} AuxVars[] AssignedVars[] {210#true} is VALID [2022-02-20 20:42:51,398 INFO L290 TraceCheckUtils]: 19: Hoare triple {210#true} [698] L698-3-->L698-4: Formula: (= (select (select |v_#memory_int_9| |v_~#mutex~0.base_3|) (+ |v_~#mutex~0.offset_3| 4)) 0) InVars {~#mutex~0.offset=|v_~#mutex~0.offset_3|, #memory_int=|v_#memory_int_9|, ~#mutex~0.base=|v_~#mutex~0.base_3|} OutVars{~#mutex~0.offset=|v_~#mutex~0.offset_3|, #memory_int=|v_#memory_int_9|, ~#mutex~0.base=|v_~#mutex~0.base_3|} AuxVars[] AssignedVars[] {210#true} is VALID [2022-02-20 20:42:51,399 INFO L290 TraceCheckUtils]: 20: Hoare triple {210#true} [774] L698-4-->L698-5: Formula: (= (select (select |v_#memory_int_10| |v_~#mutex~0.base_4|) (+ |v_~#mutex~0.offset_4| 8)) 0) InVars {~#mutex~0.offset=|v_~#mutex~0.offset_4|, #memory_int=|v_#memory_int_10|, ~#mutex~0.base=|v_~#mutex~0.base_4|} OutVars{~#mutex~0.offset=|v_~#mutex~0.offset_4|, #memory_int=|v_#memory_int_10|, ~#mutex~0.base=|v_~#mutex~0.base_4|} AuxVars[] AssignedVars[] {210#true} is VALID [2022-02-20 20:42:51,399 INFO L290 TraceCheckUtils]: 21: Hoare triple {210#true} [799] L698-5-->L698-6: Formula: (= (select (select |v_#memory_int_11| |v_~#mutex~0.base_5|) (+ |v_~#mutex~0.offset_5| 12)) 0) InVars {~#mutex~0.offset=|v_~#mutex~0.offset_5|, #memory_int=|v_#memory_int_11|, ~#mutex~0.base=|v_~#mutex~0.base_5|} OutVars{~#mutex~0.offset=|v_~#mutex~0.offset_5|, #memory_int=|v_#memory_int_11|, ~#mutex~0.base=|v_~#mutex~0.base_5|} AuxVars[] AssignedVars[] {210#true} is VALID [2022-02-20 20:42:51,399 INFO L290 TraceCheckUtils]: 22: Hoare triple {210#true} [797] L698-6-->L698-7: Formula: (= (select (select |v_#memory_int_12| |v_~#mutex~0.base_6|) (+ |v_~#mutex~0.offset_6| 16)) 0) InVars {~#mutex~0.offset=|v_~#mutex~0.offset_6|, #memory_int=|v_#memory_int_12|, ~#mutex~0.base=|v_~#mutex~0.base_6|} OutVars{~#mutex~0.offset=|v_~#mutex~0.offset_6|, #memory_int=|v_#memory_int_12|, ~#mutex~0.base=|v_~#mutex~0.base_6|} AuxVars[] AssignedVars[] {210#true} is VALID [2022-02-20 20:42:51,399 INFO L290 TraceCheckUtils]: 23: Hoare triple {210#true} [691] L698-7-->L-1-3: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {210#true} is VALID [2022-02-20 20:42:51,399 INFO L290 TraceCheckUtils]: 24: Hoare triple {210#true} [805] L-1-3-->L-1-4: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {210#true} is VALID [2022-02-20 20:42:51,399 INFO L290 TraceCheckUtils]: 25: Hoare triple {210#true} [718] L-1-4-->L-1-5: Formula: true InVars {} OutVars{ULTIMATE.start_main_#res#1=|v_ULTIMATE.start_main_#res#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#res#1] {210#true} is VALID [2022-02-20 20:42:51,399 INFO L290 TraceCheckUtils]: 26: Hoare triple {210#true} [688] L-1-5-->L711: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~post16#1=|v_ULTIMATE.start_main_#t~post16#1_1|, ULTIMATE.start_main_~i~1#1=|v_ULTIMATE.start_main_~i~1#1_1|, ULTIMATE.start_main_#t~post14#1=|v_ULTIMATE.start_main_#t~post14#1_1|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_1|, ULTIMATE.start_main_#t~post18#1=|v_ULTIMATE.start_main_#t~post18#1_1|, ULTIMATE.start_main_#t~mem19#1=|v_ULTIMATE.start_main_#t~mem19#1_1|, ULTIMATE.start_main_#t~nondet11#1=|v_ULTIMATE.start_main_#t~nondet11#1_1|, ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_1|, ULTIMATE.start_main_~#t_ids~0#1.base=|v_ULTIMATE.start_main_~#t_ids~0#1.base_1|, ULTIMATE.start_main_#t~pre10#1=|v_ULTIMATE.start_main_#t~pre10#1_1|, ULTIMATE.start_main_#t~nondet13#1=|v_ULTIMATE.start_main_#t~nondet13#1_1|, ULTIMATE.start_main_#t~post9#1=|v_ULTIMATE.start_main_#t~post9#1_1|, ULTIMATE.start_main_~#t_ids~0#1.offset=|v_ULTIMATE.start_main_~#t_ids~0#1.offset_1|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_1|, ULTIMATE.start_main_#t~nondet15#1=|v_ULTIMATE.start_main_#t~nondet15#1_1|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~post16#1, ULTIMATE.start_main_~i~1#1, ULTIMATE.start_main_#t~post14#1, ULTIMATE.start_main_#t~nondet12#1, ULTIMATE.start_main_#t~post18#1, ULTIMATE.start_main_#t~mem19#1, ULTIMATE.start_main_#t~nondet11#1, ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~#t_ids~0#1.base, ULTIMATE.start_main_#t~pre10#1, ULTIMATE.start_main_#t~nondet13#1, ULTIMATE.start_main_#t~post9#1, ULTIMATE.start_main_~#t_ids~0#1.offset, ULTIMATE.start_main_#t~nondet17#1, ULTIMATE.start_main_#t~nondet15#1] {210#true} is VALID [2022-02-20 20:42:51,400 INFO L290 TraceCheckUtils]: 27: Hoare triple {210#true} [717] L711-->L711-1: Formula: (and (= (store |v_#length_6| |v_ULTIMATE.start_main_~#t_ids~0#1.base_2| 40000) |v_#length_5|) (= |v_#valid_6| (store |v_#valid_7| |v_ULTIMATE.start_main_~#t_ids~0#1.base_2| 1)) (= |v_ULTIMATE.start_main_~#t_ids~0#1.offset_2| 0) (not (= |v_ULTIMATE.start_main_~#t_ids~0#1.base_2| 0)) (< |v_#StackHeapBarrier_2| |v_ULTIMATE.start_main_~#t_ids~0#1.base_2|) (= (select |v_#valid_7| |v_ULTIMATE.start_main_~#t_ids~0#1.base_2|) 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_2|, #length=|v_#length_6|, #valid=|v_#valid_7|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_2|, ULTIMATE.start_main_~#t_ids~0#1.offset=|v_ULTIMATE.start_main_~#t_ids~0#1.offset_2|, #length=|v_#length_5|, ULTIMATE.start_main_~#t_ids~0#1.base=|v_ULTIMATE.start_main_~#t_ids~0#1.base_2|, #valid=|v_#valid_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t_ids~0#1.base, #valid, ULTIMATE.start_main_~#t_ids~0#1.offset, #length] {210#true} is VALID [2022-02-20 20:42:51,400 INFO L290 TraceCheckUtils]: 28: Hoare triple {210#true} [789] L711-1-->L711-13: Formula: (= |v_ULTIMATE.start_main_~i~0#1_2| 0) InVars {} OutVars{ULTIMATE.start_main_~i~0#1=|v_ULTIMATE.start_main_~i~0#1_2|} AuxVars[] AssignedVars[ULTIMATE.start_main_~i~0#1] {210#true} is VALID [2022-02-20 20:42:51,400 INFO L290 TraceCheckUtils]: 29: Hoare triple {210#true} [753] L711-13-->L711-14: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {211#false} is VALID [2022-02-20 20:42:51,400 INFO L290 TraceCheckUtils]: 30: Hoare triple {211#false} [746] L711-14-->L712: Formula: (let ((.cse0 (select |v_#pthreadsMutex_2| |v_~#mutex~0.base_7|))) (and (= |v_#pthreadsMutex_1| (store |v_#pthreadsMutex_2| |v_~#mutex~0.base_7| (store .cse0 |v_~#mutex~0.offset_7| 1))) (= (select .cse0 |v_~#mutex~0.offset_7|) 0) (= |v_ULTIMATE.start_main_#t~nondet12#1_2| 0))) InVars {~#mutex~0.offset=|v_~#mutex~0.offset_7|, #pthreadsMutex=|v_#pthreadsMutex_2|, ~#mutex~0.base=|v_~#mutex~0.base_7|} OutVars{~#mutex~0.offset=|v_~#mutex~0.offset_7|, #pthreadsMutex=|v_#pthreadsMutex_1|, ~#mutex~0.base=|v_~#mutex~0.base_7|, ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_2|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~nondet12#1] {211#false} is VALID [2022-02-20 20:42:51,401 INFO L290 TraceCheckUtils]: 31: Hoare triple {211#false} [741] L712-->L713-17: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet12#1=|v_ULTIMATE.start_main_#t~nondet12#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet12#1] {211#false} is VALID [2022-02-20 20:42:51,401 INFO L290 TraceCheckUtils]: 32: Hoare triple {211#false} [791] L713-17-->L714-6: Formula: false InVars {} OutVars{} AuxVars[] AssignedVars[] {211#false} is VALID [2022-02-20 20:42:51,401 INFO L290 TraceCheckUtils]: 33: Hoare triple {211#false} [736] L714-6-->L714: Formula: (let ((.cse0 (select |v_#pthreadsMutex_12| |v_~#__global_lock~0.base_11|))) (and (= |v_ULTIMATE.start_main_#t~nondet17#1_2| 0) (= (select .cse0 |v_~#__global_lock~0.offset_11|) 0) (= (store |v_#pthreadsMutex_12| |v_~#__global_lock~0.base_11| (store .cse0 |v_~#__global_lock~0.offset_11| 1)) |v_#pthreadsMutex_11|))) InVars {#pthreadsMutex=|v_#pthreadsMutex_12|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_11|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_11|} OutVars{#pthreadsMutex=|v_#pthreadsMutex_11|, ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_2|, ~#__global_lock~0.base=|v_~#__global_lock~0.base_11|, ~#__global_lock~0.offset=|v_~#__global_lock~0.offset_11|} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_main_#t~nondet17#1] {211#false} is VALID [2022-02-20 20:42:51,401 INFO L290 TraceCheckUtils]: 34: Hoare triple {211#false} [682] L714-->L714-1: Formula: true InVars {} OutVars{ULTIMATE.start_main_#t~nondet17#1=|v_ULTIMATE.start_main_#t~nondet17#1_3|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet17#1] {211#false} is VALID [2022-02-20 20:42:51,401 INFO L290 TraceCheckUtils]: 35: Hoare triple {211#false} [694] L714-1-->L714-2: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {211#false} is VALID [2022-02-20 20:42:51,401 INFO L290 TraceCheckUtils]: 36: Hoare triple {211#false} [761] L714-2-->L714-3: Formula: (= |v_ULTIMATE.start___VERIFIER_assert_#in~cond#1_1| (ite (= v_~x~0_6 0) 1 0)) InVars {~x~0=v_~x~0_6} OutVars{ULTIMATE.start___VERIFIER_assert_#in~cond#1=|v_ULTIMATE.start___VERIFIER_assert_#in~cond#1_1|, ~x~0=v_~x~0_6} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_#in~cond#1] {211#false} is VALID [2022-02-20 20:42:51,402 INFO L290 TraceCheckUtils]: 37: Hoare triple {211#false} [675] L714-3-->L691: Formula: true InVars {} OutVars{ULTIMATE.start___VERIFIER_assert_~cond#1=|v_ULTIMATE.start___VERIFIER_assert_~cond#1_1|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~cond#1] {211#false} is VALID [2022-02-20 20:42:51,402 INFO L290 TraceCheckUtils]: 38: Hoare triple {211#false} [707] L691-->L691-1: Formula: (= |v_ULTIMATE.start___VERIFIER_assert_~cond#1_2| |v_ULTIMATE.start___VERIFIER_assert_#in~cond#1_2|) InVars {ULTIMATE.start___VERIFIER_assert_#in~cond#1=|v_ULTIMATE.start___VERIFIER_assert_#in~cond#1_2|} OutVars{ULTIMATE.start___VERIFIER_assert_~cond#1=|v_ULTIMATE.start___VERIFIER_assert_~cond#1_2|, ULTIMATE.start___VERIFIER_assert_#in~cond#1=|v_ULTIMATE.start___VERIFIER_assert_#in~cond#1_2|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~cond#1] {211#false} is VALID [2022-02-20 20:42:51,402 INFO L290 TraceCheckUtils]: 39: Hoare triple {211#false} [814] L691-1-->L691-2: Formula: (= |v_ULTIMATE.start___VERIFIER_assert_~cond#1_3| 0) InVars {ULTIMATE.start___VERIFIER_assert_~cond#1=|v_ULTIMATE.start___VERIFIER_assert_~cond#1_3|} OutVars{ULTIMATE.start___VERIFIER_assert_~cond#1=|v_ULTIMATE.start___VERIFIER_assert_~cond#1_3|} AuxVars[] AssignedVars[] {211#false} is VALID [2022-02-20 20:42:51,402 INFO L290 TraceCheckUtils]: 40: Hoare triple {211#false} [705] L691-2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: true InVars {} OutVars{} AuxVars[] AssignedVars[] {211#false} is VALID [2022-02-20 20:42:51,403 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 20:42:51,403 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 20:42:51,404 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199941993] [2022-02-20 20:42:51,404 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199941993] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 20:42:51,404 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 20:42:51,404 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 20:42:51,404 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140753370] [2022-02-20 20:42:51,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 20:42:51,405 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-02-20 20:42:51,405 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 20:42:51,406 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-20 20:42:51,429 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 20:42:51,429 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 20:42:51,429 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 20:42:51,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 20:42:51,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 20:42:51,431 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 196 out of 244 [2022-02-20 20:42:51,431 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 244 transitions, 518 flow. Second operand has 2 states, 2 states have (on average 197.0) internal successors, (394), 2 states have internal predecessors, (394), 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 20:42:51,431 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-02-20 20:42:51,431 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 196 of 244 [2022-02-20 20:42:51,431 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-02-20 20:42:51,488 INFO L129 PetriNetUnfolder]: 11/419 cut-off events. [2022-02-20 20:42:51,489 INFO L130 PetriNetUnfolder]: For 49/49 co-relation queries the response was YES. [2022-02-20 20:42:51,493 INFO L84 FinitePrefix]: Finished finitePrefix Result has 463 conditions, 419 events. 11/419 cut-off events. For 49/49 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 1522 event pairs, 1 based on Foata normal form. 170/567 useless extension candidates. Maximal degree in co-relation 293. Up to 16 conditions per place. [2022-02-20 20:42:51,494 INFO L132 encePairwiseOnDemand]: 206/244 looper letters, 6 selfloop transitions, 0 changer transitions 0/202 dead transitions. [2022-02-20 20:42:51,494 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 202 transitions, 446 flow [2022-02-20 20:42:51,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 20:42:51,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-02-20 20:42:51,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 436 transitions. [2022-02-20 20:42:51,498 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8934426229508197 [2022-02-20 20:42:51,499 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 436 transitions. [2022-02-20 20:42:51,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 436 transitions. [2022-02-20 20:42:51,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-20 20:42:51,499 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 436 transitions. [2022-02-20 20:42:51,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 218.0) internal successors, (436), 2 states have internal predecessors, (436), 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 20:42:51,500 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 244.0) internal successors, (732), 3 states have internal predecessors, (732), 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 20:42:51,501 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 244.0) internal successors, (732), 3 states have internal predecessors, (732), 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 20:42:51,501 INFO L186 Difference]: Start difference. First operand has 207 places, 244 transitions, 518 flow. Second operand 2 states and 436 transitions. [2022-02-20 20:42:51,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 202 transitions, 446 flow [2022-02-20 20:42:51,504 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 202 transitions, 446 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-02-20 20:42:51,506 INFO L242 Difference]: Finished difference. Result has 204 places, 202 transitions, 434 flow [2022-02-20 20:42:51,507 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=244, PETRI_DIFFERENCE_MINUEND_FLOW=434, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=434, PETRI_PLACES=204, PETRI_TRANSITIONS=202} [2022-02-20 20:42:51,509 INFO L334 CegarLoopForPetriNet]: 207 programPoint places, -3 predicate places. [2022-02-20 20:42:51,509 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 204 places, 202 transitions, 434 flow