./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c61f41-66e6-4384-8f72-201d255381d7/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c61f41-66e6-4384-8f72-201d255381d7/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c61f41-66e6-4384-8f72-201d255381d7/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c61f41-66e6-4384-8f72-201d255381d7/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c61f41-66e6-4384-8f72-201d255381d7/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c61f41-66e6-4384-8f72-201d255381d7/bin/ukojak-92XMlrwhuB --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 1e059282fd5d86931dc4c64c61df508e5e1072350b4f411e7728a201bfba22a1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:48:48,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:48:48,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:48:48,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:48:48,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:48:48,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:48:48,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:48:48,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:48:48,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:48:48,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:48:48,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:48:48,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:48:48,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:48:48,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:48:48,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:48:48,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:48:48,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:48:48,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:48:48,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:48:48,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:48:48,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:48:48,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:48:48,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:48:48,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:48:48,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:48:48,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:48:48,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:48:48,726 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:48:48,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:48:48,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:48:48,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:48:48,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:48:48,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:48:48,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:48:48,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:48:48,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:48:48,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:48:48,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:48:48,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:48:48,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:48:48,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:48:48,745 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c61f41-66e6-4384-8f72-201d255381d7/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:48:48,789 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:48:48,791 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:48:48,793 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:48:48,793 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:48:48,794 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:48:48,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:48:48,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:48:48,795 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:48:48,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:48:48,796 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:48:48,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:48:48,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:48:48,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:48:48,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:48:48,798 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:48:48,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:48:48,799 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:48:48,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:48:48,800 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:48:48,800 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:48:48,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:48:48,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:48,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:48:48,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:48:48,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:48:48,802 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:48:48,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:48:48,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:48:48,804 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_f0c61f41-66e6-4384-8f72-201d255381d7/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c61f41-66e6-4384-8f72-201d255381d7/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e059282fd5d86931dc4c64c61df508e5e1072350b4f411e7728a201bfba22a1 [2022-10-17 16:48:49,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:48:49,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:48:49,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:48:49,131 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:48:49,132 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:48:49,133 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c61f41-66e6-4384-8f72-201d255381d7/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-17 16:48:49,218 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c61f41-66e6-4384-8f72-201d255381d7/bin/ukojak-92XMlrwhuB/data/7d8337582/257873d1c43b4cd1a166946f79147d1a/FLAG5878862b8 [2022-10-17 16:48:49,738 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:48:49,738 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c61f41-66e6-4384-8f72-201d255381d7/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-17 16:48:49,754 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c61f41-66e6-4384-8f72-201d255381d7/bin/ukojak-92XMlrwhuB/data/7d8337582/257873d1c43b4cd1a166946f79147d1a/FLAG5878862b8 [2022-10-17 16:48:50,049 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c61f41-66e6-4384-8f72-201d255381d7/bin/ukojak-92XMlrwhuB/data/7d8337582/257873d1c43b4cd1a166946f79147d1a [2022-10-17 16:48:50,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:48:50,055 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:48:50,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:50,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:48:50,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:48:50,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:50" (1/1) ... [2022-10-17 16:48:50,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c762796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:50, skipping insertion in model container [2022-10-17 16:48:50,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:50" (1/1) ... [2022-10-17 16:48:50,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:48:50,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:48:50,467 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_f0c61f41-66e6-4384-8f72-201d255381d7/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[10504,10517] [2022-10-17 16:48:50,499 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_f0c61f41-66e6-4384-8f72-201d255381d7/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13076,13089] [2022-10-17 16:48:50,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:50,606 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:48:50,696 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_f0c61f41-66e6-4384-8f72-201d255381d7/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[10504,10517] [2022-10-17 16:48:50,732 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_f0c61f41-66e6-4384-8f72-201d255381d7/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[13076,13089] [2022-10-17 16:48:50,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:50,803 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:48:50,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:50 WrapperNode [2022-10-17 16:48:50,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:50,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:50,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:48:50,806 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:48:50,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:50" (1/1) ... [2022-10-17 16:48:50,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:50" (1/1) ... [2022-10-17 16:48:50,898 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1059 [2022-10-17 16:48:50,898 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:50,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:48:50,899 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:48:50,899 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:48:50,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:50" (1/1) ... [2022-10-17 16:48:50,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:50" (1/1) ... [2022-10-17 16:48:50,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:50" (1/1) ... [2022-10-17 16:48:50,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:50" (1/1) ... [2022-10-17 16:48:50,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:50" (1/1) ... [2022-10-17 16:48:50,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:50" (1/1) ... [2022-10-17 16:48:50,955 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:50" (1/1) ... [2022-10-17 16:48:50,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:50" (1/1) ... [2022-10-17 16:48:50,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:48:50,968 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:48:50,968 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:48:50,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:48:50,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:50" (1/1) ... [2022-10-17 16:48:50,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:50,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c61f41-66e6-4384-8f72-201d255381d7/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:48:51,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c61f41-66e6-4384-8f72-201d255381d7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:48:51,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0c61f41-66e6-4384-8f72-201d255381d7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:48:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:48:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:48:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:48:51,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:48:51,284 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:48:51,286 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:48:52,412 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:48:52,934 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:48:52,934 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:48:52,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:52 BoogieIcfgContainer [2022-10-17 16:48:52,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:48:52,940 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:48:52,941 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:48:52,952 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:48:52,952 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:52" (1/1) ... [2022-10-17 16:48:52,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:48:53,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:53,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 188 states and 332 transitions. [2022-10-17 16:48:53,062 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 332 transitions. [2022-10-17 16:48:53,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-17 16:48:53,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:53,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:53,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:54,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:54,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:54,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 194 states and 345 transitions. [2022-10-17 16:48:54,949 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 345 transitions. [2022-10-17 16:48:54,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-17 16:48:54,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:54,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:55,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:55,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:55,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:55,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 196 states and 348 transitions. [2022-10-17 16:48:55,357 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 348 transitions. [2022-10-17 16:48:55,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-17 16:48:55,367 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:55,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:55,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:55,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:55,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 203 states and 363 transitions. [2022-10-17 16:48:55,952 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 363 transitions. [2022-10-17 16:48:55,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-17 16:48:55,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:55,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:56,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:56,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:56,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 204 states and 364 transitions. [2022-10-17 16:48:56,128 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 364 transitions. [2022-10-17 16:48:56,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-17 16:48:56,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:56,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:56,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:56,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:56,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 204 states and 362 transitions. [2022-10-17 16:48:56,278 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 362 transitions. [2022-10-17 16:48:56,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 16:48:56,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:56,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:56,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:58,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:58,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 207 states and 368 transitions. [2022-10-17 16:48:58,419 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 368 transitions. [2022-10-17 16:48:58,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 16:48:58,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:58,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:59,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:03,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:03,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 216 states and 385 transitions. [2022-10-17 16:49:03,081 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 385 transitions. [2022-10-17 16:49:03,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 16:49:03,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:03,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:04,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:10,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:10,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 231 states and 419 transitions. [2022-10-17 16:49:10,627 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 419 transitions. [2022-10-17 16:49:10,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 16:49:10,628 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:10,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:10,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:11,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:20,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:20,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 239 states and 437 transitions. [2022-10-17 16:49:20,045 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 437 transitions. [2022-10-17 16:49:20,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 16:49:20,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:20,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:20,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:49:21,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:49:21,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 243 states and 443 transitions. [2022-10-17 16:49:21,387 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 443 transitions. [2022-10-17 16:49:21,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 16:49:21,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:49:21,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:49:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:49:21,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.