./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2354c4d30c0335eb0a6c6e03cf8d087a440768412264986840e048ded8afea74 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:51:12,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:51:12,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:51:12,716 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:51:12,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:51:12,718 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:51:12,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:51:12,723 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:51:12,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:51:12,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:51:12,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:51:12,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:51:12,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:51:12,730 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:51:12,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:51:12,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:51:12,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:51:12,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:51:12,738 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:51:12,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:51:12,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:51:12,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:51:12,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:51:12,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:51:12,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:51:12,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:51:12,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:51:12,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:51:12,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:51:12,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:51:12,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:51:12,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:51:12,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:51:12,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:51:12,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:51:12,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:51:12,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:51:12,761 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:51:12,761 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:51:12,762 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:51:12,763 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:51:12,764 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:51:12,789 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:51:12,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:51:12,791 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:51:12,791 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:51:12,791 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:51:12,792 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:51:12,792 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:51:12,792 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:51:12,792 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:51:12,792 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:51:12,793 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:51:12,793 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:51:12,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:51:12,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:51:12,793 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:51:12,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:51:12,794 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:51:12,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:51:12,794 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:51:12,794 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:51:12,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:51:12,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:12,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:51:12,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:51:12,795 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:51:12,795 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:51:12,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:51:12,796 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:51:12,796 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2354c4d30c0335eb0a6c6e03cf8d087a440768412264986840e048ded8afea74 [2021-11-23 15:51:13,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:51:13,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:51:13,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:51:13,114 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:51:13,115 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:51:13,117 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2021-11-23 15:51:13,215 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu/data/6ee572500/a1d542f308a8419bae4d3564a792ad36/FLAGda970e300 [2021-11-23 15:51:13,859 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:51:13,860 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2021-11-23 15:51:13,875 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu/data/6ee572500/a1d542f308a8419bae4d3564a792ad36/FLAGda970e300 [2021-11-23 15:51:14,203 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu/data/6ee572500/a1d542f308a8419bae4d3564a792ad36 [2021-11-23 15:51:14,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:51:14,209 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:51:14,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:14,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:51:14,215 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:51:14,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:14" (1/1) ... [2021-11-23 15:51:14,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a3d1d82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:14, skipping insertion in model container [2021-11-23 15:51:14,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:14" (1/1) ... [2021-11-23 15:51:14,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:51:14,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:51:14,557 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c[14700,14713] [2021-11-23 15:51:14,561 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:14,570 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:51:14,668 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c[14700,14713] [2021-11-23 15:51:14,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:14,685 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:51:14,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:14 WrapperNode [2021-11-23 15:51:14,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:14,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:14,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:51:14,688 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:51:14,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:14" (1/1) ... [2021-11-23 15:51:14,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:14" (1/1) ... [2021-11-23 15:51:14,757 INFO L137 Inliner]: procedures = 32, calls = 48, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 538 [2021-11-23 15:51:14,757 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:14,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:51:14,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:51:14,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:51:14,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:14" (1/1) ... [2021-11-23 15:51:14,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:14" (1/1) ... [2021-11-23 15:51:14,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:14" (1/1) ... [2021-11-23 15:51:14,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:14" (1/1) ... [2021-11-23 15:51:14,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:14" (1/1) ... [2021-11-23 15:51:14,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:14" (1/1) ... [2021-11-23 15:51:14,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:14" (1/1) ... [2021-11-23 15:51:14,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:51:14,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:51:14,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:51:14,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:51:14,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:14" (1/1) ... [2021-11-23 15:51:14,820 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:14,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:51:14,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:51:14,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:51:14,888 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2021-11-23 15:51:14,889 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2021-11-23 15:51:14,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:51:14,889 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2021-11-23 15:51:14,890 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2021-11-23 15:51:14,890 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-11-23 15:51:14,890 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-11-23 15:51:14,891 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2021-11-23 15:51:14,891 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2021-11-23 15:51:14,891 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:51:14,891 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:51:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:51:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2021-11-23 15:51:14,892 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2021-11-23 15:51:14,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:51:14,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:51:14,893 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2021-11-23 15:51:14,893 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2021-11-23 15:51:15,008 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:51:15,010 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:51:15,697 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:51:15,779 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-11-23 15:51:15,785 INFO L158 Benchmark]: Toolchain (without parser) took 1575.36ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 47.1MB in the beginning and 67.6MB in the end (delta: -20.5MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2021-11-23 15:51:15,785 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 81.8MB. Free memory was 54.2MB in the beginning and 54.2MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:15,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.11ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 46.7MB in the beginning and 78.7MB in the end (delta: -31.9MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2021-11-23 15:51:15,787 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.29ms. Allocated memory is still 109.1MB. Free memory was 78.7MB in the beginning and 75.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:51:15,788 INFO L158 Benchmark]: Boogie Preprocessor took 51.31ms. Allocated memory is still 109.1MB. Free memory was 75.2MB in the beginning and 72.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:51:15,789 INFO L158 Benchmark]: RCFGBuilder took 972.94ms. Allocated memory is still 109.1MB. Free memory was 72.8MB in the beginning and 67.6MB in the end (delta: 5.2MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2021-11-23 15:51:15,793 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 81.8MB. Free memory was 54.2MB in the beginning and 54.2MB in the end (delta: 25.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 475.11ms. Allocated memory was 81.8MB in the beginning and 109.1MB in the end (delta: 27.3MB). Free memory was 46.7MB in the beginning and 78.7MB in the end (delta: -31.9MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.29ms. Allocated memory is still 109.1MB. Free memory was 78.7MB in the beginning and 75.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.31ms. Allocated memory is still 109.1MB. Free memory was 75.2MB in the beginning and 72.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 972.94ms. Allocated memory is still 109.1MB. Free memory was 72.8MB in the beginning and 67.6MB in the end (delta: 5.2MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:51:15,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2354c4d30c0335eb0a6c6e03cf8d087a440768412264986840e048ded8afea74 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:51:18,407 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:51:18,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:51:18,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:51:18,449 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:51:18,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:51:18,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:51:18,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:51:18,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:51:18,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:51:18,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:51:18,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:51:18,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:51:18,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:51:18,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:51:18,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:51:18,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:51:18,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:51:18,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:51:18,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:51:18,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:51:18,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:51:18,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:51:18,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:51:18,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:51:18,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:51:18,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:51:18,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:51:18,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:51:18,500 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:51:18,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:51:18,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:51:18,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:51:18,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:51:18,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:51:18,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:51:18,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:51:18,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:51:18,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:51:18,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:51:18,521 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:51:18,522 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:51:18,569 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:51:18,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:51:18,571 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:51:18,572 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:51:18,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:51:18,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:51:18,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:51:18,574 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:51:18,574 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:51:18,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:51:18,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:51:18,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:51:18,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:51:18,576 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:51:18,577 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:51:18,577 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:51:18,577 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:51:18,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:51:18,578 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:51:18,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:51:18,578 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:51:18,578 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:51:18,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:51:18,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:18,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:51:18,579 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:51:18,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:51:18,580 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:51:18,580 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:51:18,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:51:18,581 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:51:18,581 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:51:18,581 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2354c4d30c0335eb0a6c6e03cf8d087a440768412264986840e048ded8afea74 [2021-11-23 15:51:18,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:51:18,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:51:18,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:51:18,992 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:51:18,992 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:51:18,994 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2021-11-23 15:51:19,084 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu/data/d943913af/2d4de6d81a4b4a9383825d74ee91abcc/FLAG0664c6b21 [2021-11-23 15:51:19,792 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:51:19,793 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c [2021-11-23 15:51:19,805 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu/data/d943913af/2d4de6d81a4b4a9383825d74ee91abcc/FLAG0664c6b21 [2021-11-23 15:51:20,085 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu/data/d943913af/2d4de6d81a4b4a9383825d74ee91abcc [2021-11-23 15:51:20,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:51:20,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:51:20,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:20,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:51:20,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:51:20,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:20" (1/1) ... [2021-11-23 15:51:20,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@643d069 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:20, skipping insertion in model container [2021-11-23 15:51:20,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:20" (1/1) ... [2021-11-23 15:51:20,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:51:20,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:51:20,550 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c[14700,14713] [2021-11-23 15:51:20,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:20,573 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:51:20,659 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.1.ufo.BOUNDED-10.pals.c[14700,14713] [2021-11-23 15:51:20,659 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:20,678 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:51:20,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:20 WrapperNode [2021-11-23 15:51:20,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:20,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:20,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:51:20,681 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:51:20,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:20" (1/1) ... [2021-11-23 15:51:20,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:20" (1/1) ... [2021-11-23 15:51:20,751 INFO L137 Inliner]: procedures = 32, calls = 48, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 517 [2021-11-23 15:51:20,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:20,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:51:20,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:51:20,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:51:20,762 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:20" (1/1) ... [2021-11-23 15:51:20,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:20" (1/1) ... [2021-11-23 15:51:20,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:20" (1/1) ... [2021-11-23 15:51:20,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:20" (1/1) ... [2021-11-23 15:51:20,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:20" (1/1) ... [2021-11-23 15:51:20,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:20" (1/1) ... [2021-11-23 15:51:20,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:20" (1/1) ... [2021-11-23 15:51:20,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:51:20,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:51:20,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:51:20,809 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:51:20,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:20" (1/1) ... [2021-11-23 15:51:20,819 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:20,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:51:20,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:51:20,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:51:20,902 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2021-11-23 15:51:20,902 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2021-11-23 15:51:20,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:51:20,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:51:20,903 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2021-11-23 15:51:20,903 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2021-11-23 15:51:20,903 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-11-23 15:51:20,903 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-11-23 15:51:20,903 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2021-11-23 15:51:20,904 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2021-11-23 15:51:20,904 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:51:20,904 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:51:20,904 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2021-11-23 15:51:20,904 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2021-11-23 15:51:20,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:51:20,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:51:20,905 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2021-11-23 15:51:20,905 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2021-11-23 15:51:21,073 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:51:21,075 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:51:21,752 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:51:21,830 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-11-23 15:51:21,835 INFO L158 Benchmark]: Toolchain (without parser) took 1741.62ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 29.0MB in the beginning and 44.8MB in the end (delta: -15.8MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2021-11-23 15:51:21,835 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 52.4MB. Free memory was 33.4MB in the beginning and 33.4MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:21,837 INFO L158 Benchmark]: CACSL2BoogieTranslator took 582.83ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 28.9MB in the beginning and 44.7MB in the end (delta: -15.8MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2021-11-23 15:51:21,837 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.27ms. Allocated memory is still 67.1MB. Free memory was 44.7MB in the beginning and 41.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:51:21,838 INFO L158 Benchmark]: Boogie Preprocessor took 55.92ms. Allocated memory is still 67.1MB. Free memory was 41.4MB in the beginning and 38.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:51:21,839 INFO L158 Benchmark]: RCFGBuilder took 1023.81ms. Allocated memory is still 67.1MB. Free memory was 38.7MB in the beginning and 44.8MB in the end (delta: -6.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:51:21,843 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 52.4MB. Free memory was 33.4MB in the beginning and 33.4MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 582.83ms. Allocated memory was 52.4MB in the beginning and 67.1MB in the end (delta: 14.7MB). Free memory was 28.9MB in the beginning and 44.7MB in the end (delta: -15.8MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.27ms. Allocated memory is still 67.1MB. Free memory was 44.7MB in the beginning and 41.4MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.92ms. Allocated memory is still 67.1MB. Free memory was 41.4MB in the beginning and 38.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1023.81ms. Allocated memory is still 67.1MB. Free memory was 38.7MB in the beginning and 44.8MB in the end (delta: -6.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:51:21,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9521f012-19dd-493c-a1c3-38152c725155/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable