/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerMemDerefMemtrack.xml -s config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/weaver/bench/exp2x4.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-06 16:35:10,574 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-06 16:35:10,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-06 16:35:10,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-06 16:35:10,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-06 16:35:10,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-06 16:35:10,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-06 16:35:10,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-06 16:35:10,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-06 16:35:10,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-06 16:35:10,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-06 16:35:10,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-06 16:35:10,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-06 16:35:10,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-06 16:35:10,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-06 16:35:10,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-06 16:35:10,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-06 16:35:10,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-06 16:35:10,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-06 16:35:10,677 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-06 16:35:10,680 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2021-10-06 16:35:10,709 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-06 16:35:10,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-06 16:35:10,709 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-06 16:35:10,710 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-06 16:35:10,711 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-06 16:35:10,711 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-06 16:35:10,711 INFO L138 SettingsManager]: * Use SBE=true [2021-10-06 16:35:10,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-06 16:35:10,712 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-06 16:35:10,712 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-06 16:35:10,712 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-06 16:35:10,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-06 16:35:10,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-06 16:35:10,713 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-06 16:35:10,713 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-06 16:35:10,713 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-06 16:35:10,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-06 16:35:10,714 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-06 16:35:10,714 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-06 16:35:10,714 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-06 16:35:10,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-06 16:35:10,715 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-06 16:35:10,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-06 16:35:10,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 16:35:10,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-06 16:35:10,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-06 16:35:10,716 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-06 16:35:10,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-06 16:35:10,716 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-06 16:35:10,716 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-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-06 16:35:11,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-06 16:35:11,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-06 16:35:11,185 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-06 16:35:11,186 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-06 16:35:11,188 INFO L275 PluginConnector]: CDTParser initialized [2021-10-06 16:35:11,189 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/bench/exp2x4.wvr.c [2021-10-06 16:35:11,277 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/810b88626/3691653ba69c495b8e43270af98702c5/FLAGfb95b773b [2021-10-06 16:35:11,962 INFO L306 CDTParser]: Found 1 translation units. [2021-10-06 16:35:11,963 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/bench/exp2x4.wvr.c [2021-10-06 16:35:11,974 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/810b88626/3691653ba69c495b8e43270af98702c5/FLAGfb95b773b [2021-10-06 16:35:12,294 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/810b88626/3691653ba69c495b8e43270af98702c5 [2021-10-06 16:35:12,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-06 16:35:12,305 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-06 16:35:12,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-06 16:35:12,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-06 16:35:12,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-06 16:35:12,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 04:35:12" (1/1) ... [2021-10-06 16:35:12,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@367076c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:35:12, skipping insertion in model container [2021-10-06 16:35:12,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 04:35:12" (1/1) ... [2021-10-06 16:35:12,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-06 16:35:12,344 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-06 16:35:12,547 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/bench/exp2x4.wvr.c[2272,2285] [2021-10-06 16:35:12,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 16:35:12,574 INFO L203 MainTranslator]: Completed pre-run [2021-10-06 16:35:12,633 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/bench/exp2x4.wvr.c[2272,2285] [2021-10-06 16:35:12,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-06 16:35:12,662 INFO L208 MainTranslator]: Completed translation [2021-10-06 16:35:12,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:35:12 WrapperNode [2021-10-06 16:35:12,663 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-06 16:35:12,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-06 16:35:12,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-06 16:35:12,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-06 16:35:12,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:35:12" (1/1) ... [2021-10-06 16:35:12,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:35:12" (1/1) ... [2021-10-06 16:35:12,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:35:12" (1/1) ... [2021-10-06 16:35:12,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:35:12" (1/1) ... [2021-10-06 16:35:12,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:35:12" (1/1) ... [2021-10-06 16:35:12,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:35:12" (1/1) ... [2021-10-06 16:35:12,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:35:12" (1/1) ... [2021-10-06 16:35:12,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-06 16:35:12,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-06 16:35:12,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-06 16:35:12,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-06 16:35:12,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:35:12" (1/1) ... [2021-10-06 16:35:12,776 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-06 16:35:12,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-06 16:35:12,808 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 16:35:12,828 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 16:35:12,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-10-06 16:35:12,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-06 16:35:12,876 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-10-06 16:35:12,876 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-10-06 16:35:12,877 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-06 16:35:12,877 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-06 16:35:12,877 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-10-06 16:35:12,877 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-10-06 16:35:12,877 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-10-06 16:35:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-10-06 16:35:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-10-06 16:35:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-06 16:35:12,878 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_create [2021-10-06 16:35:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure pthread_join [2021-10-06 16:35:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-10-06 16:35:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-10-06 16:35:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-10-06 16:35:12,879 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-06 16:35:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-06 16:35:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-10-06 16:35:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-10-06 16:35:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-10-06 16:35:12,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-06 16:35:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-06 16:35:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-06 16:35:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-10-06 16:35:12,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-06 16:35:12,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-06 16:35:12,884 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 16:35:13,402 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-06 16:35:13,404 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-06 16:35:13,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:35:13 BoogieIcfgContainer [2021-10-06 16:35:13,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-06 16:35:13,414 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-06 16:35:13,414 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-06 16:35:13,419 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-06 16:35:13,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 04:35:12" (1/3) ... [2021-10-06 16:35:13,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@428a5aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 04:35:13, skipping insertion in model container [2021-10-06 16:35:13,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 04:35:12" (2/3) ... [2021-10-06 16:35:13,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@428a5aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 04:35:13, skipping insertion in model container [2021-10-06 16:35:13,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 04:35:13" (3/3) ... [2021-10-06 16:35:13,424 INFO L111 eAbstractionObserver]: Analyzing ICFG exp2x4.wvr.c [2021-10-06 16:35:13,432 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-06 16:35:13,432 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2021-10-06 16:35:13,433 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-06 16:35:13,516 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:13,517 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:13,517 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:13,517 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:13,518 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:13,519 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:13,520 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:13,520 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:13,521 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:13,521 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:13,521 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:13,524 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:13,525 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:13,526 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:13,526 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:13,526 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:13,532 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:13,533 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:13,546 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:13,546 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:13,556 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:13,556 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:13,558 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:13,559 WARN L313 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-06 16:35:13,571 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-10-06 16:35:13,648 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-06 16:35:13,661 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 16:35:13,662 INFO L340 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2021-10-06 16:35:13,680 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: unsupported for concurrent analysis IcfgCallTransition at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:382) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNetWithSPredicates(CFG2NestedWordAutomaton.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.getInitialAbstraction(BasicCegarLoop.java:353) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.computeInitialAbstraction(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:347) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:53) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:392) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:226) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-10-06 16:35:13,687 INFO L168 Benchmark]: Toolchain (without parser) took 1386.07 ms. Allocated memory is still 175.1 MB. Free memory was 149.4 MB in the beginning and 145.7 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.5 MB. Max. memory is 8.0 GB. [2021-10-06 16:35:13,688 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 175.1 MB. Free memory is still 147.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-06 16:35:13,689 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.80 ms. Allocated memory is still 175.1 MB. Free memory was 149.0 MB in the beginning and 138.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-10-06 16:35:13,691 INFO L168 Benchmark]: Boogie Preprocessor took 97.42 ms. Allocated memory is still 175.1 MB. Free memory was 138.6 MB in the beginning and 137.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-06 16:35:13,692 INFO L168 Benchmark]: RCFGBuilder took 645.52 ms. Allocated memory is still 175.1 MB. Free memory was 136.8 MB in the beginning and 155.6 MB in the end (delta: -18.8 MB). Peak memory consumption was 17.0 MB. Max. memory is 8.0 GB. [2021-10-06 16:35:13,693 INFO L168 Benchmark]: TraceAbstraction took 269.99 ms. Allocated memory is still 175.1 MB. Free memory was 155.1 MB in the beginning and 145.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-10-06 16:35:13,704 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 175.1 MB. Free memory is still 147.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 355.80 ms. Allocated memory is still 175.1 MB. Free memory was 149.0 MB in the beginning and 138.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 97.42 ms. Allocated memory is still 175.1 MB. Free memory was 138.6 MB in the beginning and 137.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 645.52 ms. Allocated memory is still 175.1 MB. Free memory was 136.8 MB in the beginning and 155.6 MB in the end (delta: -18.8 MB). Peak memory consumption was 17.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 269.99 ms. Allocated memory is still 175.1 MB. Free memory was 155.1 MB in the beginning and 145.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: unsupported for concurrent analysis IcfgCallTransition de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: unsupported for concurrent analysis IcfgCallTransition: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CFG2NestedWordAutomaton.constructPetriNet(CFG2NestedWordAutomaton.java:382) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-10-06 16:35:13,760 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...