./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_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_54f28b52-2265-4ac8-96e5-a11006b440b0/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f28b52-2265-4ac8-96e5-a11006b440b0/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_54f28b52-2265-4ac8-96e5-a11006b440b0/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f28b52-2265-4ac8-96e5-a11006b440b0/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f28b52-2265-4ac8-96e5-a11006b440b0/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_54f28b52-2265-4ac8-96e5-a11006b440b0/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 a30aa210ed4a7c8ee647a70aef136aef282e5eccb07388ecda6495e33bc30b6d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:47:33,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:47:33,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:47:33,555 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:47:33,556 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:47:33,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:47:33,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:47:33,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:47:33,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:47:33,574 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:47:33,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:47:33,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:47:33,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:47:33,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:47:33,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:47:33,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:47:33,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:47:33,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:47:33,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:47:33,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:47:33,594 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:47:33,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:47:33,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:47:33,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:47:33,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:47:33,602 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:47:33,603 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:47:33,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:47:33,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:47:33,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:47:33,606 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:47:33,607 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:47:33,608 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:47:33,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:47:33,615 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:47:33,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:47:33,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:47:33,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:47:33,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:47:33,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:47:33,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:47:33,619 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f28b52-2265-4ac8-96e5-a11006b440b0/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:47:33,649 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:47:33,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:47:33,650 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:47:33,650 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:47:33,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:47:33,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:47:33,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:47:33,652 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:47:33,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:47:33,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:47:33,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:47:33,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:47:33,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:47:33,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:47:33,654 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:47:33,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:47:33,654 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:47:33,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:47:33,654 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:47:33,655 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:47:33,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:47:33,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:47:33,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:47:33,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:47:33,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:47:33,656 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:47:33,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:47:33,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:47:33,657 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_54f28b52-2265-4ac8-96e5-a11006b440b0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f28b52-2265-4ac8-96e5-a11006b440b0/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a30aa210ed4a7c8ee647a70aef136aef282e5eccb07388ecda6495e33bc30b6d [2021-11-23 15:47:33,947 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:47:33,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:47:33,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:47:33,972 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:47:33,972 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:47:33,974 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f28b52-2265-4ac8-96e5-a11006b440b0/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.BOUNDED-10.pals.c [2021-11-23 15:47:34,055 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f28b52-2265-4ac8-96e5-a11006b440b0/bin/ukojak-CwSLpZB5Qu/data/eaf8e8db3/2601d824dac34c5c92ff849887486241/FLAG6b1a533cb [2021-11-23 15:47:34,635 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:47:34,636 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f28b52-2265-4ac8-96e5-a11006b440b0/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.BOUNDED-10.pals.c [2021-11-23 15:47:34,655 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f28b52-2265-4ac8-96e5-a11006b440b0/bin/ukojak-CwSLpZB5Qu/data/eaf8e8db3/2601d824dac34c5c92ff849887486241/FLAG6b1a533cb [2021-11-23 15:47:34,923 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f28b52-2265-4ac8-96e5-a11006b440b0/bin/ukojak-CwSLpZB5Qu/data/eaf8e8db3/2601d824dac34c5c92ff849887486241 [2021-11-23 15:47:34,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:47:34,927 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:47:34,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:47:34,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:47:34,935 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:47:34,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:34" (1/1) ... [2021-11-23 15:47:34,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@711ea326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:34, skipping insertion in model container [2021-11-23 15:47:34,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:34" (1/1) ... [2021-11-23 15:47:34,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:47:35,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:47:35,411 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_54f28b52-2265-4ac8-96e5-a11006b440b0/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.BOUNDED-10.pals.c[14540,14553] [2021-11-23 15:47:35,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:47:35,428 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:47:35,540 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_54f28b52-2265-4ac8-96e5-a11006b440b0/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.BOUNDED-10.pals.c[14540,14553] [2021-11-23 15:47:35,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:47:35,564 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:47:35,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:35 WrapperNode [2021-11-23 15:47:35,565 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:47:35,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:47:35,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:47:35,569 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:47:35,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:35" (1/1) ... [2021-11-23 15:47:35,607 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:35" (1/1) ... [2021-11-23 15:47:35,666 INFO L137 Inliner]: procedures = 32, calls = 48, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 533 [2021-11-23 15:47:35,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:47:35,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:47:35,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:47:35,668 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:47:35,677 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:35" (1/1) ... [2021-11-23 15:47:35,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:35" (1/1) ... [2021-11-23 15:47:35,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:35" (1/1) ... [2021-11-23 15:47:35,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:35" (1/1) ... [2021-11-23 15:47:35,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:35" (1/1) ... [2021-11-23 15:47:35,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:35" (1/1) ... [2021-11-23 15:47:35,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:35" (1/1) ... [2021-11-23 15:47:35,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:47:35,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:47:35,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:47:35,736 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:47:35,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:35" (1/1) ... [2021-11-23 15:47:35,751 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:47:35,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f28b52-2265-4ac8-96e5-a11006b440b0/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:47:35,781 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f28b52-2265-4ac8-96e5-a11006b440b0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:47:35,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f28b52-2265-4ac8-96e5-a11006b440b0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:47:35,843 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2021-11-23 15:47:35,844 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2021-11-23 15:47:35,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:47:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2021-11-23 15:47:35,845 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2021-11-23 15:47:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-11-23 15:47:35,846 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-11-23 15:47:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2021-11-23 15:47:35,846 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2021-11-23 15:47:35,846 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:47:35,847 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:47:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:47:35,847 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2021-11-23 15:47:35,847 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2021-11-23 15:47:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:47:35,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:47:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2021-11-23 15:47:35,848 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2021-11-23 15:47:36,029 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:47:36,030 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:47:36,695 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:47:36,755 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 15:47:36,766 INFO L158 Benchmark]: Toolchain (without parser) took 1837.93ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 54.9MB in the beginning and 82.4MB in the end (delta: -27.5MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2021-11-23 15:47:36,767 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 88.1MB. Free memory was 41.4MB in the beginning and 41.3MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:47:36,768 INFO L158 Benchmark]: CACSL2BoogieTranslator took 637.35ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 54.6MB in the beginning and 83.7MB in the end (delta: -29.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:47:36,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.98ms. Allocated memory is still 115.3MB. Free memory was 83.7MB in the beginning and 80.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:47:36,771 INFO L158 Benchmark]: Boogie Preprocessor took 67.37ms. Allocated memory is still 115.3MB. Free memory was 80.3MB in the beginning and 77.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:47:36,772 INFO L158 Benchmark]: RCFGBuilder took 1027.85ms. Allocated memory is still 115.3MB. Free memory was 77.8MB in the beginning and 82.4MB in the end (delta: -4.6MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2021-11-23 15:47:36,775 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 88.1MB. Free memory was 41.4MB in the beginning and 41.3MB in the end (delta: 46.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 637.35ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 54.6MB in the beginning and 83.7MB in the end (delta: -29.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.98ms. Allocated memory is still 115.3MB. Free memory was 83.7MB in the beginning and 80.3MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.37ms. Allocated memory is still 115.3MB. Free memory was 80.3MB in the beginning and 77.8MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1027.85ms. Allocated memory is still 115.3MB. Free memory was 77.8MB in the beginning and 82.4MB in the end (delta: -4.6MB). Peak memory consumption was 29.3MB. 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 15:47:36,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f28b52-2265-4ac8-96e5-a11006b440b0/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_54f28b52-2265-4ac8-96e5-a11006b440b0/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f28b52-2265-4ac8-96e5-a11006b440b0/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_54f28b52-2265-4ac8-96e5-a11006b440b0/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f28b52-2265-4ac8-96e5-a11006b440b0/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f28b52-2265-4ac8-96e5-a11006b440b0/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_54f28b52-2265-4ac8-96e5-a11006b440b0/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 a30aa210ed4a7c8ee647a70aef136aef282e5eccb07388ecda6495e33bc30b6d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:47:39,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:47:39,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:47:39,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:47:39,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:47:39,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:47:39,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:47:39,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:47:39,380 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:47:39,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:47:39,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:47:39,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:47:39,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:47:39,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:47:39,397 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:47:39,398 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:47:39,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:47:39,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:47:39,422 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:47:39,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:47:39,433 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:47:39,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:47:39,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:47:39,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:47:39,440 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:47:39,441 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:47:39,441 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:47:39,442 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:47:39,443 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:47:39,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:47:39,445 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:47:39,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:47:39,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:47:39,447 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:47:39,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:47:39,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:47:39,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:47:39,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:47:39,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:47:39,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:47:39,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:47:39,454 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f28b52-2265-4ac8-96e5-a11006b440b0/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:47:39,479 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:47:39,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:47:39,481 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:47:39,481 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:47:39,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:47:39,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:47:39,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:47:39,482 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:47:39,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:47:39,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:47:39,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:47:39,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:47:39,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:47:39,483 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:47:39,484 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:47:39,484 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:47:39,484 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:47:39,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:47:39,484 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:47:39,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:47:39,485 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:47:39,485 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:47:39,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:47:39,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:47:39,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:47:39,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:47:39,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:47:39,486 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:47:39,487 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:47:39,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:47:39,487 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:47:39,487 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:47:39,487 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_54f28b52-2265-4ac8-96e5-a11006b440b0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f28b52-2265-4ac8-96e5-a11006b440b0/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a30aa210ed4a7c8ee647a70aef136aef282e5eccb07388ecda6495e33bc30b6d [2021-11-23 15:47:39,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:47:39,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:47:39,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:47:39,914 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:47:39,914 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:47:39,916 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f28b52-2265-4ac8-96e5-a11006b440b0/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.BOUNDED-10.pals.c [2021-11-23 15:47:39,978 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f28b52-2265-4ac8-96e5-a11006b440b0/bin/ukojak-CwSLpZB5Qu/data/97db14245/981cda7d70284a94b3d1c1c2360fa1ba/FLAGfc882bae0 [2021-11-23 15:47:40,624 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:47:40,625 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f28b52-2265-4ac8-96e5-a11006b440b0/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.BOUNDED-10.pals.c [2021-11-23 15:47:40,644 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f28b52-2265-4ac8-96e5-a11006b440b0/bin/ukojak-CwSLpZB5Qu/data/97db14245/981cda7d70284a94b3d1c1c2360fa1ba/FLAGfc882bae0 [2021-11-23 15:47:40,884 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f28b52-2265-4ac8-96e5-a11006b440b0/bin/ukojak-CwSLpZB5Qu/data/97db14245/981cda7d70284a94b3d1c1c2360fa1ba [2021-11-23 15:47:40,886 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:47:40,887 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:47:40,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:47:40,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:47:40,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:47:40,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:40" (1/1) ... [2021-11-23 15:47:40,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f24500f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:40, skipping insertion in model container [2021-11-23 15:47:40,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:47:40" (1/1) ... [2021-11-23 15:47:40,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:47:40,967 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:47:41,254 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_54f28b52-2265-4ac8-96e5-a11006b440b0/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.BOUNDED-10.pals.c[14540,14553] [2021-11-23 15:47:41,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:47:41,277 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:47:41,344 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_54f28b52-2265-4ac8-96e5-a11006b440b0/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.BOUNDED-10.pals.c[14540,14553] [2021-11-23 15:47:41,345 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:47:41,361 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:47:41,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:41 WrapperNode [2021-11-23 15:47:41,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:47:41,363 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:47:41,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:47:41,364 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:47:41,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:41" (1/1) ... [2021-11-23 15:47:41,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:41" (1/1) ... [2021-11-23 15:47:41,448 INFO L137 Inliner]: procedures = 32, calls = 48, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 512 [2021-11-23 15:47:41,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:47:41,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:47:41,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:47:41,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:47:41,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:41" (1/1) ... [2021-11-23 15:47:41,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:41" (1/1) ... [2021-11-23 15:47:41,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:41" (1/1) ... [2021-11-23 15:47:41,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:41" (1/1) ... [2021-11-23 15:47:41,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:41" (1/1) ... [2021-11-23 15:47:41,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:41" (1/1) ... [2021-11-23 15:47:41,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:41" (1/1) ... [2021-11-23 15:47:41,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:47:41,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:47:41,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:47:41,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:47:41,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:47:41" (1/1) ... [2021-11-23 15:47:41,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:47:41,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f28b52-2265-4ac8-96e5-a11006b440b0/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:47:41,580 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f28b52-2265-4ac8-96e5-a11006b440b0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:47:41,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f28b52-2265-4ac8-96e5-a11006b440b0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:47:41,624 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2021-11-23 15:47:41,624 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2021-11-23 15:47:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:47:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:47:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2021-11-23 15:47:41,625 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2021-11-23 15:47:41,625 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-11-23 15:47:41,626 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-11-23 15:47:41,626 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2021-11-23 15:47:41,626 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2021-11-23 15:47:41,627 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:47:41,627 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:47:41,628 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2021-11-23 15:47:41,628 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2021-11-23 15:47:41,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:47:41,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:47:41,629 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2021-11-23 15:47:41,630 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2021-11-23 15:47:41,761 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:47:41,762 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:47:42,463 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:47:42,523 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 15:47:42,531 INFO L158 Benchmark]: Toolchain (without parser) took 1641.13ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 42.1MB in the beginning and 53.7MB in the end (delta: -11.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 15:47:42,531 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 62.9MB. Free memory is still 43.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:47:42,533 INFO L158 Benchmark]: CACSL2BoogieTranslator took 473.19ms. Allocated memory is still 62.9MB. Free memory was 41.9MB in the beginning and 38.0MB in the end (delta: 3.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:47:42,534 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.45ms. Allocated memory is still 62.9MB. Free memory was 38.0MB in the beginning and 34.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:47:42,535 INFO L158 Benchmark]: Boogie Preprocessor took 87.08ms. Allocated memory is still 62.9MB. Free memory was 34.6MB in the beginning and 31.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:47:42,536 INFO L158 Benchmark]: RCFGBuilder took 990.57ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 31.9MB in the beginning and 53.7MB in the end (delta: -21.8MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2021-11-23 15:47:42,544 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 62.9MB. Free memory is still 43.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 473.19ms. Allocated memory is still 62.9MB. Free memory was 41.9MB in the beginning and 38.0MB in the end (delta: 3.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.45ms. Allocated memory is still 62.9MB. Free memory was 38.0MB in the beginning and 34.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.08ms. Allocated memory is still 62.9MB. Free memory was 34.6MB in the beginning and 31.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 990.57ms. Allocated memory was 62.9MB in the beginning and 92.3MB in the end (delta: 29.4MB). Free memory was 31.9MB in the beginning and 53.7MB in the end (delta: -21.8MB). Peak memory consumption was 15.7MB. 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 15:47:42,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54f28b52-2265-4ac8-96e5-a11006b440b0/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