/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf -i ../sv-benchmarks/c/weaver/parallel/min-max-1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-06 21:17:58,396 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-06 21:17:58,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-06 21:17:58,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-06 21:17:58,489 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-06 21:17:58,493 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-06 21:17:58,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-06 21:17:58,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-06 21:17:58,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-06 21:17:58,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-06 21:17:58,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-06 21:17:58,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-06 21:17:58,531 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-06 21:17:58,533 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-06 21:17:58,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-06 21:17:58,537 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-06 21:17:58,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-06 21:17:58,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-06 21:17:58,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-06 21:17:58,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-06 21:17:58,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-06 21:17:58,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-06 21:17:58,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-06 21:17:58,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-06 21:17:58,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-06 21:17:58,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-06 21:17:58,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-06 21:17:58,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-06 21:17:58,568 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2021-10-06 21:17:58,618 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-06 21:17:58,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-06 21:17:58,619 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-06 21:17:58,619 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-06 21:17:58,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-06 21:17:58,624 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-06 21:17:58,624 INFO L138 SettingsManager]: * Use SBE=true [2021-10-06 21:17:58,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-06 21:17:58,625 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-06 21:17:58,625 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-06 21:17:58,626 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-06 21:17:58,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-06 21:17:58,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-06 21:17:58,627 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-06 21:17:58,627 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-06 21:17:58,628 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-06 21:17:58,628 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-06 21:17:58,628 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-06 21:17:58,628 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-06 21:17:58,628 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-06 21:17:58,629 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-06 21:17:58,629 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-06 21:17:58,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-06 21:17:58,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-06 21:17:58,630 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-06 21:17:58,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 21:17:58,630 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-06 21:17:58,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-06 21:17:58,630 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-06 21:17:58,631 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-06 21:17:58,631 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-06 21:17:58,631 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-06 21:17:58,631 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-06 21:17:59,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-06 21:17:59,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-06 21:17:59,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-06 21:17:59,076 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-06 21:17:59,077 INFO L275 PluginConnector]: CDTParser initialized [2021-10-06 21:17:59,078 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel/min-max-1.wvr.c [2021-10-06 21:17:59,173 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4ceb77ca3/3ed23fe5c5b94961a637deaae6342cc0/FLAGa442be358 [2021-10-06 21:17:59,831 INFO L306 CDTParser]: Found 1 translation units. [2021-10-06 21:17:59,831 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel/min-max-1.wvr.c [2021-10-06 21:17:59,840 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4ceb77ca3/3ed23fe5c5b94961a637deaae6342cc0/FLAGa442be358 [2021-10-06 21:18:00,188 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4ceb77ca3/3ed23fe5c5b94961a637deaae6342cc0 [2021-10-06 21:18:00,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-06 21:18:00,200 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-06 21:18:00,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-06 21:18:00,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-06 21:18:00,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-06 21:18:00,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 09:18:00" (1/1) ... [2021-10-06 21:18:00,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56207206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:18:00, skipping insertion in model container [2021-10-06 21:18:00,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 09:18:00" (1/1) ... [2021-10-06 21:18:00,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-06 21:18:00,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-06 21:18:00,432 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel/min-max-1.wvr.c[2628,2641] [2021-10-06 21:18:00,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 21:18:00,459 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-06 21:18:00,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-06 21:18:00,489 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel/min-max-1.wvr.c[2628,2641] [2021-10-06 21:18:00,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 21:18:00,502 INFO L203 MainTranslator]: Completed pre-run [2021-10-06 21:18:00,539 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel/min-max-1.wvr.c[2628,2641] [2021-10-06 21:18:00,543 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 21:18:00,562 INFO L208 MainTranslator]: Completed translation [2021-10-06 21:18:00,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:18:00 WrapperNode [2021-10-06 21:18:00,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-06 21:18:00,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-06 21:18:00,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-06 21:18:00,564 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-06 21:18:00,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:18:00" (1/1) ... [2021-10-06 21:18:00,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:18:00" (1/1) ... [2021-10-06 21:18:00,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-06 21:18:00,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-06 21:18:00,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-06 21:18:00,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-06 21:18:00,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:18:00" (1/1) ... [2021-10-06 21:18:00,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:18:00" (1/1) ... [2021-10-06 21:18:00,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:18:00" (1/1) ... [2021-10-06 21:18:00,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:18:00" (1/1) ... [2021-10-06 21:18:00,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:18:00" (1/1) ... [2021-10-06 21:18:00,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:18:00" (1/1) ... [2021-10-06 21:18:00,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:18:00" (1/1) ... [2021-10-06 21:18:00,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-06 21:18:00,678 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-06 21:18:00,678 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-06 21:18:00,678 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-06 21:18:00,679 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:18:00" (1/1) ... [2021-10-06 21:18:00,691 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 21:18:00,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 21:18:00,721 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-06 21:18:00,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-06 21:18:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-06 21:18:00,782 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-06 21:18:00,782 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-06 21:18:00,783 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-06 21:18:00,783 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-06 21:18:00,783 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-06 21:18:00,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-06 21:18:00,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-06 21:18:00,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-06 21:18:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-06 21:18:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-06 21:18:00,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-06 21:18:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-06 21:18:00,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-06 21:18:00,786 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-06 21:18:01,636 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-06 21:18:01,637 INFO L299 CfgBuilder]: Removed 15 assume(true) statements. [2021-10-06 21:18:01,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 09:18:01 BoogieIcfgContainer [2021-10-06 21:18:01,640 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-06 21:18:01,642 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-06 21:18:01,642 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-06 21:18:01,646 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-06 21:18:01,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 09:18:00" (1/3) ... [2021-10-06 21:18:01,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12d4fc22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 09:18:01, skipping insertion in model container [2021-10-06 21:18:01,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:18:00" (2/3) ... [2021-10-06 21:18:01,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12d4fc22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 09:18:01, skipping insertion in model container [2021-10-06 21:18:01,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 09:18:01" (3/3) ... [2021-10-06 21:18:01,650 INFO L111 eAbstractionObserver]: Analyzing ICFG min-max-1.wvr.c [2021-10-06 21:18:01,656 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-06 21:18:01,657 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2021-10-06 21:18:01,657 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-06 21:18:01,702 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,702 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,703 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,703 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,704 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,704 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,704 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,704 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,705 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,705 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,705 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,706 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,706 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,707 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,707 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,707 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,707 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,708 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,708 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,708 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,709 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,709 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,709 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,710 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,710 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,710 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,710 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,710 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,711 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,711 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,711 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,711 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,712 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,713 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,713 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,713 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,714 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,714 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,714 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,715 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,715 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,715 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,715 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,716 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,716 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,717 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,717 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,717 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,717 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,718 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,718 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,718 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,719 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,719 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,719 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,720 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,720 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,720 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,720 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,721 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,721 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,721 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,721 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,721 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,722 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,722 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,723 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,723 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,726 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,727 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,727 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,727 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,728 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,728 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,733 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,733 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,736 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,736 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,736 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,737 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,737 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,737 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 21:18:01,745 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-10-06 21:18:01,802 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-06 21:18:01,811 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=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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 [2021-10-06 21:18:01,811 INFO L340 AbstractCegarLoop]: Starting to check reachability of 45 error locations. [2021-10-06 21:18:01,835 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-06 21:18:01,851 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 197 places, 200 transitions, 424 flow [2021-10-06 21:18:01,855 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 197 places, 200 transitions, 424 flow [2021-10-06 21:18:01,857 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 197 places, 200 transitions, 424 flow [2021-10-06 21:18:01,997 INFO L129 PetriNetUnfolder]: 13/197 cut-off events. [2021-10-06 21:18:01,997 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-10-06 21:18:02,010 INFO L84 FinitePrefix]: Finished finitePrefix Result has 210 conditions, 197 events. 13/197 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 308 event pairs, 0 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 162. Up to 2 conditions per place. [2021-10-06 21:18:02,022 INFO L116 LiptonReduction]: Number of co-enabled transitions 3782 [2021-10-06 21:18:29,656 INFO L131 LiptonReduction]: Checked pairs total: 9136 [2021-10-06 21:18:29,657 INFO L133 LiptonReduction]: Total number of compositions: 209 [2021-10-06 21:18:29,667 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 71 places, 66 transitions, 156 flow [2021-10-06 21:18:29,786 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2364 states, 2082 states have (on average 3.673871277617675) internal successors, (7649), 2363 states have internal predecessors, (7649), 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) [2021-10-06 21:18:29,798 INFO L276 IsEmpty]: Start isEmpty. Operand has 2364 states, 2082 states have (on average 3.673871277617675) internal successors, (7649), 2363 states have internal predecessors, (7649), 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) [2021-10-06 21:18:29,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-06 21:18:29,805 INFO L504 BasicCegarLoop]: Found error trace [2021-10-06 21:18:29,805 INFO L512 BasicCegarLoop]: trace histogram [1, 1] [2021-10-06 21:18:29,806 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 41 more)] === [2021-10-06 21:18:29,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-06 21:18:29,812 INFO L82 PathProgramCache]: Analyzing trace with hash 24016, now seen corresponding path program 1 times [2021-10-06 21:18:29,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-10-06 21:18:29,829 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1319403927] [2021-10-06 21:18:29,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-06 21:18:29,831 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-06 21:18:29,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat [2021-10-06 21:18:29,838 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-06 21:18:29,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-06 21:18:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-06 21:18:29,936 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-06 21:18:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-06 21:18:30,032 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-10-06 21:18:30,034 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-06 21:18:30,035 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3REQUIRES_VIOLATION [2021-10-06 21:18:30,041 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0REQUIRES_VIOLATION [2021-10-06 21:18:30,042 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1REQUIRES_VIOLATION [2021-10-06 21:18:30,042 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2REQUIRES_VIOLATION [2021-10-06 21:18:30,042 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3REQUIRES_VIOLATION [2021-10-06 21:18:30,042 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4REQUIRES_VIOLATION [2021-10-06 21:18:30,043 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5REQUIRES_VIOLATION [2021-10-06 21:18:30,043 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0REQUIRES_VIOLATION [2021-10-06 21:18:30,043 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1REQUIRES_VIOLATION [2021-10-06 21:18:30,043 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2REQUIRES_VIOLATION [2021-10-06 21:18:30,044 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3REQUIRES_VIOLATION [2021-10-06 21:18:30,047 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4REQUIRES_VIOLATION [2021-10-06 21:18:30,047 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5REQUIRES_VIOLATION [2021-10-06 21:18:30,048 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATION [2021-10-06 21:18:30,048 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1REQUIRES_VIOLATION [2021-10-06 21:18:30,048 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATION [2021-10-06 21:18:30,048 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATION [2021-10-06 21:18:30,049 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATION [2021-10-06 21:18:30,049 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATION [2021-10-06 21:18:30,049 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATION [2021-10-06 21:18:30,049 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATION [2021-10-06 21:18:30,050 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATION [2021-10-06 21:18:30,053 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATION [2021-10-06 21:18:30,054 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATION [2021-10-06 21:18:30,054 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12REQUIRES_VIOLATION [2021-10-06 21:18:30,054 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13REQUIRES_VIOLATION [2021-10-06 21:18:30,054 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14REQUIRES_VIOLATION [2021-10-06 21:18:30,055 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15REQUIRES_VIOLATION [2021-10-06 21:18:30,055 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_LEAK [2021-10-06 21:18:30,055 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_LEAK [2021-10-06 21:18:30,056 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-06 21:18:30,056 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-06 21:18:30,056 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-06 21:18:30,056 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0REQUIRES_VIOLATION [2021-10-06 21:18:30,057 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1REQUIRES_VIOLATION [2021-10-06 21:18:30,061 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2REQUIRES_VIOLATION [2021-10-06 21:18:30,061 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3REQUIRES_VIOLATION [2021-10-06 21:18:30,062 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4REQUIRES_VIOLATION [2021-10-06 21:18:30,062 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5REQUIRES_VIOLATION [2021-10-06 21:18:30,062 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0REQUIRES_VIOLATION [2021-10-06 21:18:30,062 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1REQUIRES_VIOLATION [2021-10-06 21:18:30,063 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2REQUIRES_VIOLATION [2021-10-06 21:18:30,063 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3REQUIRES_VIOLATION [2021-10-06 21:18:30,063 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4REQUIRES_VIOLATION [2021-10-06 21:18:30,063 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5REQUIRES_VIOLATION [2021-10-06 21:18:30,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-06 21:18:30,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-10-06 21:18:30,298 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-06 21:18:30,298 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-06 21:18:30,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 09:18:30 BasicIcfg [2021-10-06 21:18:30,320 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-06 21:18:30,323 INFO L168 Benchmark]: Toolchain (without parser) took 30126.92 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 126.7 MB in the beginning and 69.7 MB in the end (delta: 56.9 MB). Peak memory consumption was 88.4 MB. Max. memory is 8.0 GB. [2021-10-06 21:18:30,324 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-06 21:18:30,325 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.25 ms. Allocated memory is still 151.0 MB. Free memory was 126.2 MB in the beginning and 113.1 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-10-06 21:18:30,326 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.48 ms. Allocated memory is still 151.0 MB. Free memory was 113.0 MB in the beginning and 111.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-06 21:18:30,326 INFO L168 Benchmark]: Boogie Preprocessor took 60.48 ms. Allocated memory is still 151.0 MB. Free memory was 111.1 MB in the beginning and 109.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-06 21:18:30,327 INFO L168 Benchmark]: RCFGBuilder took 961.69 ms. Allocated memory is still 151.0 MB. Free memory was 109.5 MB in the beginning and 127.1 MB in the end (delta: -17.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 8.0 GB. [2021-10-06 21:18:30,328 INFO L168 Benchmark]: TraceAbstraction took 28678.90 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 126.6 MB in the beginning and 69.7 MB in the end (delta: 56.8 MB). Peak memory consumption was 87.8 MB. Max. memory is 8.0 GB. [2021-10-06 21:18:30,332 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 122.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 360.25 ms. Allocated memory is still 151.0 MB. Free memory was 126.2 MB in the beginning and 113.1 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 52.48 ms. Allocated memory is still 151.0 MB. Free memory was 113.0 MB in the beginning and 111.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 60.48 ms. Allocated memory is still 151.0 MB. Free memory was 111.1 MB in the beginning and 109.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 961.69 ms. Allocated memory is still 151.0 MB. Free memory was 109.5 MB in the beginning and 127.1 MB in the end (delta: -17.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 28678.90 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 126.6 MB in the beginning and 69.7 MB in the end (delta: 56.8 MB). Peak memory consumption was 87.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 27802.2ms, 197 PlacesBefore, 71 PlacesAfterwards, 200 TransitionsBefore, 66 TransitionsAfterwards, 3782 CoEnabledTransitionPairs, 7 FixpointIterations, 115 TrivialSequentialCompositions, 57 ConcurrentSequentialCompositions, 15 TrivialYvCompositions, 14 ConcurrentYvCompositions, 8 ChoiceCompositions, 209 TotalNumberOfCompositions, 9136 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5542, positive: 5368, positive conditional: 0, positive unconditional: 5368, negative: 174, negative conditional: 0, negative unconditional: 174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2416, positive: 2364, positive conditional: 0, positive unconditional: 2364, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2416, positive: 2361, positive conditional: 0, positive unconditional: 2361, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 55, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1245, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 1232, negative conditional: 0, negative unconditional: 1232, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5542, positive: 3004, positive conditional: 0, positive unconditional: 3004, negative: 122, negative conditional: 0, negative unconditional: 122, unknown: 2416, unknown conditional: 0, unknown unconditional: 2416] , Statistics on independence cache: Total cache size (in pairs): 335, Positive cache size: 315, Positive conditional cache size: 0, Positive unconditional cache size: 315, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 87]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L38] int* A; [L39] int min, max, i, j, N; [L40] _Bool v_assert, b1, b2; [L73] pthread_t t1, t2, t3; [L76] min = __VERIFIER_nondet_int() [L77] max = __VERIFIER_nondet_int() [L78] i = __VERIFIER_nondet_int() [L79] j = __VERIFIER_nondet_int() [L80] N = __VERIFIER_nondet_int() [L81] b1 = __VERIFIER_nondet_bool() [L82] b2 = __VERIFIER_nondet_bool() [L83] v_assert = __VERIFIER_nondet_bool() [L35] COND FALSE !(!cond) [L103] int* arr = (int*)malloc(sizeof(int) * size); [L104] int i = 0; VAL [A={0:0}, N=0] [L104] COND FALSE !(i < size) [L107] return arr; [L84] A = create_fresh_int_array(N) [L87] ( i == j && i == 0 ) && ( min == max && min == A[0] ) [L87] min == max && min == A[0] [L87] A[0] - UnprovableResult [Line: 45]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 48]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 56]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 105]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 105]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 87]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 92]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 93]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 94]: Unable to prove that pointer dereference always succeeds Unable to prove that pointer dereference always succeeds Reason: Not analyzed. - UnprovableResult [Line: 97]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: Not analyzed. - UnprovableResult [Line: 89]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 91]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 90]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 243 locations, 45 error locations. Started 1 CEGAR loops. OverallTime: 28494.2ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 17.8ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 27975.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2364occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 13.0ms SsaConstructionTime, 41.0ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-06 21:18:30,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...