./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.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_cc0e8565-ebd3-40d6-be2c-a653a2afbbfc/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0e8565-ebd3-40d6-be2c-a653a2afbbfc/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_cc0e8565-ebd3-40d6-be2c-a653a2afbbfc/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0e8565-ebd3-40d6-be2c-a653a2afbbfc/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0e8565-ebd3-40d6-be2c-a653a2afbbfc/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_cc0e8565-ebd3-40d6-be2c-a653a2afbbfc/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 5a61d3db55f61e1c69c316c83f1e37b4c9c56a755bd5e8fcd2da0d467aefc9f7 --- 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 16:59:15,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:59:15,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:59:15,806 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:59:15,806 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:59:15,808 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:59:15,810 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:59:15,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:59:15,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:59:15,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:59:15,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:59:15,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:59:15,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:59:15,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:59:15,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:59:15,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:59:15,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:59:15,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:59:15,831 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:59:15,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:59:15,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:59:15,837 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:59:15,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:59:15,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:59:15,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:59:15,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:59:15,847 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:59:15,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:59:15,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:59:15,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:59:15,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:59:15,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:59:15,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:59:15,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:59:15,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:59:15,857 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:59:15,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:59:15,858 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:59:15,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:59:15,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:59:15,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:59:15,863 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0e8565-ebd3-40d6-be2c-a653a2afbbfc/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:59:15,888 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:59:15,888 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:59:15,890 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:59:15,890 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:59:15,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:59:15,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:59:15,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:59:15,893 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:59:15,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:59:15,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:59:15,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:59:15,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:59:15,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:59:15,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:59:15,901 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:59:15,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:59:15,902 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:59:15,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:59:15,902 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:59:15,903 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:59:15,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:59:15,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:59:15,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:59:15,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:59:15,906 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:59:15,906 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:59:15,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:59:15,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:59:15,909 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_cc0e8565-ebd3-40d6-be2c-a653a2afbbfc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0e8565-ebd3-40d6-be2c-a653a2afbbfc/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a61d3db55f61e1c69c316c83f1e37b4c9c56a755bd5e8fcd2da0d467aefc9f7 [2022-10-17 16:59:16,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:59:16,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:59:16,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:59:16,274 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:59:16,275 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:59:16,277 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0e8565-ebd3-40d6-be2c-a653a2afbbfc/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c [2022-10-17 16:59:16,352 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0e8565-ebd3-40d6-be2c-a653a2afbbfc/bin/ukojak-92XMlrwhuB/data/adb1d2314/5772890273b246a1874dd97848d42150/FLAG43cc9912d [2022-10-17 16:59:16,951 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:59:16,953 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0e8565-ebd3-40d6-be2c-a653a2afbbfc/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c [2022-10-17 16:59:16,969 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0e8565-ebd3-40d6-be2c-a653a2afbbfc/bin/ukojak-92XMlrwhuB/data/adb1d2314/5772890273b246a1874dd97848d42150/FLAG43cc9912d [2022-10-17 16:59:17,259 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0e8565-ebd3-40d6-be2c-a653a2afbbfc/bin/ukojak-92XMlrwhuB/data/adb1d2314/5772890273b246a1874dd97848d42150 [2022-10-17 16:59:17,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:59:17,267 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:59:17,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:59:17,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:59:17,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:59:17,278 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:59:17" (1/1) ... [2022-10-17 16:59:17,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@702778db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:17, skipping insertion in model container [2022-10-17 16:59:17,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:59:17" (1/1) ... [2022-10-17 16:59:17,289 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:59:17,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:59:17,653 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_cc0e8565-ebd3-40d6-be2c-a653a2afbbfc/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c[14373,14386] [2022-10-17 16:59:17,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:59:17,667 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:59:17,726 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_cc0e8565-ebd3-40d6-be2c-a653a2afbbfc/sv-benchmarks/c/seq-mthreaded/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c[14373,14386] [2022-10-17 16:59:17,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:59:17,743 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:59:17,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:17 WrapperNode [2022-10-17 16:59:17,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:59:17,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:59:17,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:59:17,761 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:59:17,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:17" (1/1) ... [2022-10-17 16:59:17,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:17" (1/1) ... [2022-10-17 16:59:17,827 INFO L138 Inliner]: procedures = 22, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 479 [2022-10-17 16:59:17,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:59:17,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:59:17,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:59:17,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:59:17,841 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:17" (1/1) ... [2022-10-17 16:59:17,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:17" (1/1) ... [2022-10-17 16:59:17,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:17" (1/1) ... [2022-10-17 16:59:17,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:17" (1/1) ... [2022-10-17 16:59:17,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:17" (1/1) ... [2022-10-17 16:59:17,867 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:17" (1/1) ... [2022-10-17 16:59:17,871 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:17" (1/1) ... [2022-10-17 16:59:17,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:17" (1/1) ... [2022-10-17 16:59:17,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:59:17,890 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:59:17,890 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:59:17,890 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:59:17,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:59:17" (1/1) ... [2022-10-17 16:59:17,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:59:17,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0e8565-ebd3-40d6-be2c-a653a2afbbfc/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:59:17,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0e8565-ebd3-40d6-be2c-a653a2afbbfc/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:59:17,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc0e8565-ebd3-40d6-be2c-a653a2afbbfc/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:59:18,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:59:18,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:59:18,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:59:18,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:59:18,165 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:59:18,167 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:59:18,887 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:59:19,837 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:59:19,837 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:59:19,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:59:19 BoogieIcfgContainer [2022-10-17 16:59:19,841 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:59:19,842 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:59:19,842 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:59:19,854 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:59:19,855 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:59:19" (1/1) ... [2022-10-17 16:59:19,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:59:19,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:19,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2022-10-17 16:59:19,964 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2022-10-17 16:59:19,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:59:19,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:19,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:22,343 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 16:59:22,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:22,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2022-10-17 16:59:22,482 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2022-10-17 16:59:22,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:59:22,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:22,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:23,933 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 16:59:24,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:24,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2022-10-17 16:59:24,279 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2022-10-17 16:59:24,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:59:24,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:24,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:25,510 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 16:59:26,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:26,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 28 states and 50 transitions. [2022-10-17 16:59:26,015 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 50 transitions. [2022-10-17 16:59:26,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:59:26,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:26,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:27,087 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 16:59:27,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:27,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2022-10-17 16:59:27,857 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2022-10-17 16:59:27,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:59:27,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:27,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:27,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:29,229 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 16:59:30,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:30,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 74 transitions. [2022-10-17 16:59:30,220 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2022-10-17 16:59:30,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:59:30,221 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:30,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:31,199 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 16:59:32,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:32,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 46 states and 86 transitions. [2022-10-17 16:59:32,322 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 86 transitions. [2022-10-17 16:59:32,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:59:32,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:32,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:32,441 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 16:59:32,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:32,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 86 transitions. [2022-10-17 16:59:32,678 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 86 transitions. [2022-10-17 16:59:32,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:59:32,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:32,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:32,795 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 16:59:32,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:32,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 48 states and 87 transitions. [2022-10-17 16:59:32,815 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 87 transitions. [2022-10-17 16:59:32,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:59:32,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:32,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:34,152 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 16:59:35,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:35,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 58 states and 104 transitions. [2022-10-17 16:59:35,864 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 104 transitions. [2022-10-17 16:59:35,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:59:35,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:35,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:36,261 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 16:59:36,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:36,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 61 states and 109 transitions. [2022-10-17 16:59:36,480 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 109 transitions. [2022-10-17 16:59:36,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:59:36,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:36,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:59:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:59:39,890 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:59:44,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:59:44,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 77 states and 143 transitions. [2022-10-17 16:59:44,941 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 143 transitions. [2022-10-17 16:59:44,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:59:44,943 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:59:44,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms