./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.UNBOUNDED.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_49402c11-bda4-4157-9c25-18bffdef1597/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49402c11-bda4-4157-9c25-18bffdef1597/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_49402c11-bda4-4157-9c25-18bffdef1597/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49402c11-bda4-4157-9c25-18bffdef1597/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49402c11-bda4-4157-9c25-18bffdef1597/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_49402c11-bda4-4157-9c25-18bffdef1597/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 ac8e60fb32c268c01bf0cc1d1cd76454411c67e3ab15d16b4eca5e74b982e97f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:39,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:39,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:39,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:39,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:39,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:39,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:39,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:39,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:39,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:39,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:39,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:39,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:39,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:39,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:39,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:39,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:39,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:39,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:39,615 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:39,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:39,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:39,621 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:39,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:39,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:39,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:39,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:39,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:39,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:39,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:39,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:39,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:39,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:39,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:39,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:39,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:39,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:39,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:39,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:39,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:39,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:39,641 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49402c11-bda4-4157-9c25-18bffdef1597/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:57:39,665 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:39,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:39,666 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:57:39,667 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:57:39,667 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:39,668 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:39,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:39,668 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:39,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:57:39,669 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:39,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:39,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:57:39,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:39,670 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:57:39,670 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:39,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:57:39,670 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:39,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:57:39,671 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:39,671 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:39,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:39,671 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:39,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:39,672 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:39,672 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:57:39,672 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:57:39,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:57:39,673 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:57:39,673 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_49402c11-bda4-4157-9c25-18bffdef1597/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49402c11-bda4-4157-9c25-18bffdef1597/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac8e60fb32c268c01bf0cc1d1cd76454411c67e3ab15d16b4eca5e74b982e97f [2021-11-23 15:57:39,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:39,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:39,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:39,981 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:39,983 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:39,985 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49402c11-bda4-4157-9c25-18bffdef1597/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.UNBOUNDED.pals.c [2021-11-23 15:57:40,057 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49402c11-bda4-4157-9c25-18bffdef1597/bin/ukojak-CwSLpZB5Qu/data/ec2b1eb12/248add3d9a0e42409508cda306ca5d1d/FLAGe8f06abea [2021-11-23 15:57:40,593 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:40,593 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49402c11-bda4-4157-9c25-18bffdef1597/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.UNBOUNDED.pals.c [2021-11-23 15:57:40,613 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49402c11-bda4-4157-9c25-18bffdef1597/bin/ukojak-CwSLpZB5Qu/data/ec2b1eb12/248add3d9a0e42409508cda306ca5d1d/FLAGe8f06abea [2021-11-23 15:57:40,902 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49402c11-bda4-4157-9c25-18bffdef1597/bin/ukojak-CwSLpZB5Qu/data/ec2b1eb12/248add3d9a0e42409508cda306ca5d1d [2021-11-23 15:57:40,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:40,910 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:40,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:40,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:40,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:40,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:40" (1/1) ... [2021-11-23 15:57:40,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b00f918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:40, skipping insertion in model container [2021-11-23 15:57:40,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:40" (1/1) ... [2021-11-23 15:57:40,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:40,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:41,303 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_49402c11-bda4-4157-9c25-18bffdef1597/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.UNBOUNDED.pals.c[14522,14535] [2021-11-23 15:57:41,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:41,314 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:41,378 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_49402c11-bda4-4157-9c25-18bffdef1597/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.UNBOUNDED.pals.c[14522,14535] [2021-11-23 15:57:41,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:41,396 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:41,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:41 WrapperNode [2021-11-23 15:57:41,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:41,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:41,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:41,398 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:41,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:41" (1/1) ... [2021-11-23 15:57:41,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:41" (1/1) ... [2021-11-23 15:57:41,461 INFO L137 Inliner]: procedures = 32, calls = 48, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 530 [2021-11-23 15:57:41,462 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:41,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:41,463 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:41,463 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:41,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:41" (1/1) ... [2021-11-23 15:57:41,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:41" (1/1) ... [2021-11-23 15:57:41,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:41" (1/1) ... [2021-11-23 15:57:41,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:41" (1/1) ... [2021-11-23 15:57:41,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:41" (1/1) ... [2021-11-23 15:57:41,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:41" (1/1) ... [2021-11-23 15:57:41,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:41" (1/1) ... [2021-11-23 15:57:41,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:41,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:41,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:41,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:41,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:41" (1/1) ... [2021-11-23 15:57:41,538 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:41,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49402c11-bda4-4157-9c25-18bffdef1597/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:41,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49402c11-bda4-4157-9c25-18bffdef1597/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:41,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49402c11-bda4-4157-9c25-18bffdef1597/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:41,614 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2021-11-23 15:57:41,614 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2021-11-23 15:57:41,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:41,616 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2021-11-23 15:57:41,616 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2021-11-23 15:57:41,616 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-11-23 15:57:41,616 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-11-23 15:57:41,616 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2021-11-23 15:57:41,617 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2021-11-23 15:57:41,617 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:57:41,617 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:57:41,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:57:41,617 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2021-11-23 15:57:41,617 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2021-11-23 15:57:41,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:41,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:41,618 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2021-11-23 15:57:41,618 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2021-11-23 15:57:41,803 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:41,804 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:42,395 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:42,486 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 15:57:42,490 INFO L158 Benchmark]: Toolchain (without parser) took 1579.03ms. Allocated memory was 109.1MB in the beginning and 153.1MB in the end (delta: 44.0MB). Free memory was 67.3MB in the beginning and 126.4MB in the end (delta: -59.2MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2021-11-23 15:57:42,491 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:42,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.62ms. Allocated memory is still 109.1MB. Free memory was 67.0MB in the beginning and 75.7MB in the end (delta: -8.6MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2021-11-23 15:57:42,493 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.06ms. Allocated memory is still 109.1MB. Free memory was 75.7MB in the beginning and 72.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:57:42,493 INFO L158 Benchmark]: Boogie Preprocessor took 64.83ms. Allocated memory is still 109.1MB. Free memory was 72.3MB in the beginning and 69.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:42,494 INFO L158 Benchmark]: RCFGBuilder took 960.78ms. Allocated memory was 109.1MB in the beginning and 153.1MB in the end (delta: 44.0MB). Free memory was 69.7MB in the beginning and 126.4MB in the end (delta: -56.7MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2021-11-23 15:57:42,498 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 109.1MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.62ms. Allocated memory is still 109.1MB. Free memory was 67.0MB in the beginning and 75.7MB in the end (delta: -8.6MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.06ms. Allocated memory is still 109.1MB. Free memory was 75.7MB in the beginning and 72.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.83ms. Allocated memory is still 109.1MB. Free memory was 72.3MB in the beginning and 69.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 960.78ms. Allocated memory was 109.1MB in the beginning and 153.1MB in the end (delta: 44.0MB). Free memory was 69.7MB in the beginning and 126.4MB in the end (delta: -56.7MB). Peak memory consumption was 38.3MB. 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 15:57:42,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49402c11-bda4-4157-9c25-18bffdef1597/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_49402c11-bda4-4157-9c25-18bffdef1597/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49402c11-bda4-4157-9c25-18bffdef1597/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_49402c11-bda4-4157-9c25-18bffdef1597/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49402c11-bda4-4157-9c25-18bffdef1597/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49402c11-bda4-4157-9c25-18bffdef1597/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_49402c11-bda4-4157-9c25-18bffdef1597/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 ac8e60fb32c268c01bf0cc1d1cd76454411c67e3ab15d16b4eca5e74b982e97f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:44,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:44,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:45,013 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:45,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:45,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:45,023 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:45,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:45,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:45,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:45,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:45,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:45,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:45,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:45,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:45,058 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:45,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:45,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:45,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:45,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:45,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:45,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:45,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:45,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:45,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:45,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:45,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:45,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:45,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:45,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:45,093 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:45,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:45,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:45,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:45,098 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:45,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:45,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:45,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:45,113 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:45,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:45,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:45,117 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49402c11-bda4-4157-9c25-18bffdef1597/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:57:45,169 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:45,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:45,171 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:57:45,171 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:57:45,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:45,172 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:45,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:45,173 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:45,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:45,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:45,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:57:45,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:45,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:57:45,175 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:57:45,175 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:57:45,175 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:57:45,175 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:45,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:57:45,176 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:45,176 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:57:45,176 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:45,176 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:45,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:45,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:45,177 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:45,177 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:45,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:57:45,177 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:57:45,177 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:57:45,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:57:45,178 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:57:45,178 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:57:45,178 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_49402c11-bda4-4157-9c25-18bffdef1597/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49402c11-bda4-4157-9c25-18bffdef1597/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac8e60fb32c268c01bf0cc1d1cd76454411c67e3ab15d16b4eca5e74b982e97f [2021-11-23 15:57:45,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:45,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:45,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:45,611 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:45,611 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:45,613 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49402c11-bda4-4157-9c25-18bffdef1597/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.UNBOUNDED.pals.c [2021-11-23 15:57:45,684 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49402c11-bda4-4157-9c25-18bffdef1597/bin/ukojak-CwSLpZB5Qu/data/17d44f851/3d23231a5fbf4da0afea570019a19d9e/FLAG8bc1f0533 [2021-11-23 15:57:46,397 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:46,397 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49402c11-bda4-4157-9c25-18bffdef1597/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.UNBOUNDED.pals.c [2021-11-23 15:57:46,408 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49402c11-bda4-4157-9c25-18bffdef1597/bin/ukojak-CwSLpZB5Qu/data/17d44f851/3d23231a5fbf4da0afea570019a19d9e/FLAG8bc1f0533 [2021-11-23 15:57:46,683 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49402c11-bda4-4157-9c25-18bffdef1597/bin/ukojak-CwSLpZB5Qu/data/17d44f851/3d23231a5fbf4da0afea570019a19d9e [2021-11-23 15:57:46,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:46,688 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:46,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:46,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:46,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:46,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:46" (1/1) ... [2021-11-23 15:57:46,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@235dc2dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:46, skipping insertion in model container [2021-11-23 15:57:46,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:46" (1/1) ... [2021-11-23 15:57:46,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:46,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:47,011 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_49402c11-bda4-4157-9c25-18bffdef1597/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.UNBOUNDED.pals.c[14522,14535] [2021-11-23 15:57:47,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:47,036 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:47,121 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_49402c11-bda4-4157-9c25-18bffdef1597/sv-benchmarks/c/seq-mthreaded/pals_STARTPALS_ActiveStandby.4_1.ufo.UNBOUNDED.pals.c[14522,14535] [2021-11-23 15:57:47,122 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:47,139 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:47,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:47 WrapperNode [2021-11-23 15:57:47,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:47,141 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:47,141 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:47,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:47,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:47" (1/1) ... [2021-11-23 15:57:47,164 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:47" (1/1) ... [2021-11-23 15:57:47,208 INFO L137 Inliner]: procedures = 32, calls = 48, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 509 [2021-11-23 15:57:47,208 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:47,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:47,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:47,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:47,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:47" (1/1) ... [2021-11-23 15:57:47,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:47" (1/1) ... [2021-11-23 15:57:47,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:47" (1/1) ... [2021-11-23 15:57:47,225 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:47" (1/1) ... [2021-11-23 15:57:47,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:47" (1/1) ... [2021-11-23 15:57:47,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:47" (1/1) ... [2021-11-23 15:57:47,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:47" (1/1) ... [2021-11-23 15:57:47,291 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:47,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:47,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:47,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:47,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:47" (1/1) ... [2021-11-23 15:57:47,303 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:47,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49402c11-bda4-4157-9c25-18bffdef1597/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:47,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49402c11-bda4-4157-9c25-18bffdef1597/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:47,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49402c11-bda4-4157-9c25-18bffdef1597/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:47,367 INFO L130 BoogieDeclarations]: Found specification of procedure read_manual_selection_history [2021-11-23 15:57:47,367 INFO L138 BoogieDeclarations]: Found implementation of procedure read_manual_selection_history [2021-11-23 15:57:47,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:47,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:57:47,368 INFO L130 BoogieDeclarations]: Found specification of procedure read_side2_failed_history [2021-11-23 15:57:47,368 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side2_failed_history [2021-11-23 15:57:47,368 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2021-11-23 15:57:47,368 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2021-11-23 15:57:47,368 INFO L130 BoogieDeclarations]: Found specification of procedure flip_the_side [2021-11-23 15:57:47,369 INFO L138 BoogieDeclarations]: Found implementation of procedure flip_the_side [2021-11-23 15:57:47,369 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:57:47,369 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:57:47,369 INFO L130 BoogieDeclarations]: Found specification of procedure read_side1_failed_history [2021-11-23 15:57:47,369 INFO L138 BoogieDeclarations]: Found implementation of procedure read_side1_failed_history [2021-11-23 15:57:47,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:47,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:47,370 INFO L130 BoogieDeclarations]: Found specification of procedure read_active_side_history [2021-11-23 15:57:47,370 INFO L138 BoogieDeclarations]: Found implementation of procedure read_active_side_history [2021-11-23 15:57:47,541 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:47,543 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:48,204 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:48,246 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 15:57:48,258 INFO L158 Benchmark]: Toolchain (without parser) took 1569.40ms. Allocated memory is still 67.1MB. Free memory was 45.5MB in the beginning and 31.2MB in the end (delta: 14.3MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2021-11-23 15:57:48,259 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 67.1MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:48,259 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.91ms. Allocated memory is still 67.1MB. Free memory was 45.4MB in the beginning and 45.8MB in the end (delta: -387.8kB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 15:57:48,260 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.46ms. Allocated memory is still 67.1MB. Free memory was 45.8MB in the beginning and 42.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:48,261 INFO L158 Benchmark]: Boogie Preprocessor took 82.65ms. Allocated memory is still 67.1MB. Free memory was 42.5MB in the beginning and 39.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:48,277 INFO L158 Benchmark]: RCFGBuilder took 959.81ms. Allocated memory is still 67.1MB. Free memory was 39.9MB in the beginning and 31.2MB in the end (delta: 8.6MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2021-11-23 15:57:48,281 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 67.1MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.91ms. Allocated memory is still 67.1MB. Free memory was 45.4MB in the beginning and 45.8MB in the end (delta: -387.8kB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.46ms. Allocated memory is still 67.1MB. Free memory was 45.8MB in the beginning and 42.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.65ms. Allocated memory is still 67.1MB. Free memory was 42.5MB in the beginning and 39.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 959.81ms. Allocated memory is still 67.1MB. Free memory was 39.9MB in the beginning and 31.2MB in the end (delta: 8.6MB). Peak memory consumption was 17.0MB. 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 15:57:48,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49402c11-bda4-4157-9c25-18bffdef1597/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