./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+nlh-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_3b25cf35-5a8d-4830-ad20-8f1cb8df6110/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b25cf35-5a8d-4830-ad20-8f1cb8df6110/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_3b25cf35-5a8d-4830-ad20-8f1cb8df6110/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b25cf35-5a8d-4830-ad20-8f1cb8df6110/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b25cf35-5a8d-4830-ad20-8f1cb8df6110/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_3b25cf35-5a8d-4830-ad20-8f1cb8df6110/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 e1221f43edcd55fb28cc2c33b3cd78828237d81c097e561fccaa486cdd56e141 --- 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 16:37:28,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:37:28,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:37:28,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:37:28,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:37:28,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:37:28,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:37:28,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:37:28,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:37:28,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:37:28,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:37:28,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:37:28,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:37:28,930 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:37:28,932 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:37:28,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:37:28,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:37:28,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:37:28,939 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:37:28,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:37:28,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:37:28,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:37:28,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:37:28,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:37:28,952 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:37:28,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:37:28,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:37:28,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:37:28,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:37:28,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:37:28,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:37:28,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:37:28,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:37:28,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:37:28,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:37:28,961 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:37:28,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:37:28,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:37:28,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:37:28,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:37:28,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:37:28,965 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b25cf35-5a8d-4830-ad20-8f1cb8df6110/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:37:28,997 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:37:29,000 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:37:29,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:37:29,002 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:37:29,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:37:29,004 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:37:29,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:37:29,004 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:37:29,004 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:37:29,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:37:29,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:37:29,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:37:29,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:37:29,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:37:29,007 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:37:29,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:37:29,007 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:37:29,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:37:29,008 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:37:29,008 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:37:29,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:37:29,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:29,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:37:29,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:37:29,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:37:29,009 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:37:29,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:37:29,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:37:29,011 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_3b25cf35-5a8d-4830-ad20-8f1cb8df6110/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b25cf35-5a8d-4830-ad20-8f1cb8df6110/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1221f43edcd55fb28cc2c33b3cd78828237d81c097e561fccaa486cdd56e141 [2022-10-17 16:37:29,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:37:29,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:37:29,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:37:29,348 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:37:29,349 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:37:29,351 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b25cf35-5a8d-4830-ad20-8f1cb8df6110/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-17 16:37:29,427 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b25cf35-5a8d-4830-ad20-8f1cb8df6110/bin/ukojak-92XMlrwhuB/data/bb6bc08a5/c98b629eebd0411385ef76914660886c/FLAG522237a7c [2022-10-17 16:37:30,084 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:37:30,086 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b25cf35-5a8d-4830-ad20-8f1cb8df6110/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-17 16:37:30,106 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b25cf35-5a8d-4830-ad20-8f1cb8df6110/bin/ukojak-92XMlrwhuB/data/bb6bc08a5/c98b629eebd0411385ef76914660886c/FLAG522237a7c [2022-10-17 16:37:30,368 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b25cf35-5a8d-4830-ad20-8f1cb8df6110/bin/ukojak-92XMlrwhuB/data/bb6bc08a5/c98b629eebd0411385ef76914660886c [2022-10-17 16:37:30,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:37:30,373 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:37:30,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:30,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:37:30,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:37:30,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:30" (1/1) ... [2022-10-17 16:37:30,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5762e7c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:30, skipping insertion in model container [2022-10-17 16:37:30,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:37:30" (1/1) ... [2022-10-17 16:37:30,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:37:30,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:37:30,747 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_3b25cf35-5a8d-4830-ad20-8f1cb8df6110/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[7107,7120] [2022-10-17 16:37:30,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:30,816 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:37:30,905 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_3b25cf35-5a8d-4830-ad20-8f1cb8df6110/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[7107,7120] [2022-10-17 16:37:30,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:37:30,960 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:37:30,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:30 WrapperNode [2022-10-17 16:37:30,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:37:30,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:30,962 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:37:30,962 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:37:30,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:30" (1/1) ... [2022-10-17 16:37:30,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:30" (1/1) ... [2022-10-17 16:37:31,056 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 636 [2022-10-17 16:37:31,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:37:31,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:37:31,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:37:31,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:37:31,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:30" (1/1) ... [2022-10-17 16:37:31,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:30" (1/1) ... [2022-10-17 16:37:31,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:30" (1/1) ... [2022-10-17 16:37:31,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:30" (1/1) ... [2022-10-17 16:37:31,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:30" (1/1) ... [2022-10-17 16:37:31,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:30" (1/1) ... [2022-10-17 16:37:31,134 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:30" (1/1) ... [2022-10-17 16:37:31,141 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:30" (1/1) ... [2022-10-17 16:37:31,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:37:31,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:37:31,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:37:31,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:37:31,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:37:30" (1/1) ... [2022-10-17 16:37:31,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:37:31,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b25cf35-5a8d-4830-ad20-8f1cb8df6110/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:37:31,201 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b25cf35-5a8d-4830-ad20-8f1cb8df6110/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:37:31,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b25cf35-5a8d-4830-ad20-8f1cb8df6110/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:37:31,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:37:31,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:37:31,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:37:31,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:37:31,464 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:37:31,466 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:37:32,310 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:37:32,530 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:37:32,530 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:37:32,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:37:32 BoogieIcfgContainer [2022-10-17 16:37:32,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:37:32,537 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:37:32,538 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:37:32,548 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:37:32,549 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:37:32" (1/1) ... [2022-10-17 16:37:32,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:37:32,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:32,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 122 states and 205 transitions. [2022-10-17 16:37:32,634 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 205 transitions. [2022-10-17 16:37:32,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:37:32,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:32,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:33,429 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 16:37:33,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:33,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 133 states and 224 transitions. [2022-10-17 16:37:33,760 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 224 transitions. [2022-10-17 16:37:33,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:37:33,769 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:33,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:34,028 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 16:37:34,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:34,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 137 states and 231 transitions. [2022-10-17 16:37:34,841 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 231 transitions. [2022-10-17 16:37:34,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:37:34,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:34,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:35,120 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 16:37:36,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:36,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 149 states and 256 transitions. [2022-10-17 16:37:36,819 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 256 transitions. [2022-10-17 16:37:36,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:37:36,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:36,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:37,128 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 16:37:39,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:39,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 157 states and 274 transitions. [2022-10-17 16:37:39,093 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 274 transitions. [2022-10-17 16:37:39,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:37:39,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:39,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:39,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:41,819 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 16:37:53,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:53,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 182 states and 331 transitions. [2022-10-17 16:37:53,870 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 331 transitions. [2022-10-17 16:37:53,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:37:53,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:53,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:58,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.