./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+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_15f149fe-a624-4091-841f-1e38135943c0/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f149fe-a624-4091-841f-1e38135943c0/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_15f149fe-a624-4091-841f-1e38135943c0/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f149fe-a624-4091-841f-1e38135943c0/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f149fe-a624-4091-841f-1e38135943c0/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_15f149fe-a624-4091-841f-1e38135943c0/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 93af4e6a9c0eb04ce4865a35985b5a12937072c2a8c22ec9da868c5c828002bb --- 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 17:02:51,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:02:51,199 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:02:51,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:02:51,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:02:51,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:02:51,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:02:51,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:02:51,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:02:51,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:02:51,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:02:51,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:02:51,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:02:51,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:02:51,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:02:51,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:02:51,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:02:51,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:02:51,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:02:51,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:02:51,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:02:51,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:02:51,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:02:51,302 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:02:51,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:02:51,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:02:51,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:02:51,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:02:51,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:02:51,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:02:51,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:02:51,326 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:02:51,328 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:02:51,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:02:51,333 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:02:51,333 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:02:51,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:02:51,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:02:51,335 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:02:51,336 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:02:51,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:02:51,337 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f149fe-a624-4091-841f-1e38135943c0/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:02:51,372 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:02:51,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:02:51,375 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:02:51,375 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:02:51,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:02:51,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:02:51,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:02:51,377 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:02:51,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:02:51,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:02:51,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:02:51,379 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:02:51,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:02:51,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:02:51,379 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:02:51,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:02:51,380 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:02:51,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:02:51,380 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:02:51,380 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:02:51,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:02:51,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:51,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:02:51,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:02:51,382 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:02:51,382 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:02:51,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:02:51,384 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:02:51,384 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_15f149fe-a624-4091-841f-1e38135943c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f149fe-a624-4091-841f-1e38135943c0/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93af4e6a9c0eb04ce4865a35985b5a12937072c2a8c22ec9da868c5c828002bb [2022-10-17 17:02:51,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:02:51,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:02:51,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:02:51,677 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:02:51,678 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:02:51,679 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f149fe-a624-4091-841f-1e38135943c0/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-17 17:02:51,745 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f149fe-a624-4091-841f-1e38135943c0/bin/ukojak-92XMlrwhuB/data/d40b78c1f/3a388769970b4a518c5df43d49c224ce/FLAGe6296f47d [2022-10-17 17:02:52,356 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:02:52,356 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f149fe-a624-4091-841f-1e38135943c0/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-17 17:02:52,384 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f149fe-a624-4091-841f-1e38135943c0/bin/ukojak-92XMlrwhuB/data/d40b78c1f/3a388769970b4a518c5df43d49c224ce/FLAGe6296f47d [2022-10-17 17:02:52,608 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f149fe-a624-4091-841f-1e38135943c0/bin/ukojak-92XMlrwhuB/data/d40b78c1f/3a388769970b4a518c5df43d49c224ce [2022-10-17 17:02:52,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:02:52,615 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:02:52,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:52,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:02:52,623 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:02:52,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:52" (1/1) ... [2022-10-17 17:02:52,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@683dd6a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:52, skipping insertion in model container [2022-10-17 17:02:52,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:52" (1/1) ... [2022-10-17 17:02:52,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:02:52,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:02:53,164 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_15f149fe-a624-4091-841f-1e38135943c0/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[10668,10681] [2022-10-17 17:02:53,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:53,303 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:02:53,417 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_15f149fe-a624-4091-841f-1e38135943c0/sv-benchmarks/c/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[10668,10681] [2022-10-17 17:02:53,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:53,499 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:02:53,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:53 WrapperNode [2022-10-17 17:02:53,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:53,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:53,501 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:02:53,501 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:02:53,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:53" (1/1) ... [2022-10-17 17:02:53,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:53" (1/1) ... [2022-10-17 17:02:53,607 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 952 [2022-10-17 17:02:53,608 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:53,608 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:02:53,609 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:02:53,609 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:02:53,619 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:53" (1/1) ... [2022-10-17 17:02:53,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:53" (1/1) ... [2022-10-17 17:02:53,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:53" (1/1) ... [2022-10-17 17:02:53,625 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:53" (1/1) ... [2022-10-17 17:02:53,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:53" (1/1) ... [2022-10-17 17:02:53,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:53" (1/1) ... [2022-10-17 17:02:53,666 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:53" (1/1) ... [2022-10-17 17:02:53,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:53" (1/1) ... [2022-10-17 17:02:53,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:02:53,677 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:02:53,677 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:02:53,677 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:02:53,678 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:53" (1/1) ... [2022-10-17 17:02:53,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:53,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f149fe-a624-4091-841f-1e38135943c0/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:02:53,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f149fe-a624-4091-841f-1e38135943c0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:02:53,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15f149fe-a624-4091-841f-1e38135943c0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:02:53,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:02:53,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:02:53,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:02:53,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:02:53,998 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:02:54,001 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:02:55,279 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:02:55,817 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:02:55,817 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 17:02:55,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:55 BoogieIcfgContainer [2022-10-17 17:02:55,823 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:02:55,825 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:02:55,825 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:02:55,838 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:02:55,839 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:55" (1/1) ... [2022-10-17 17:02:55,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:02:55,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:55,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 173 states and 303 transitions. [2022-10-17 17:02:55,950 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 303 transitions. [2022-10-17 17:02:55,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-17 17:02:55,959 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:55,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:57,715 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 17:02:57,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:57,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 183 states and 325 transitions. [2022-10-17 17:02:57,990 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 325 transitions. [2022-10-17 17:02:57,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-17 17:02:57,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:57,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:58,138 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 17:02:58,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:58,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 185 states and 329 transitions. [2022-10-17 17:02:58,352 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 329 transitions. [2022-10-17 17:02:58,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-17 17:02:58,361 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:58,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:58,525 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 17:02:59,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:59,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 196 states and 354 transitions. [2022-10-17 17:02:59,051 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 354 transitions. [2022-10-17 17:02:59,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-17 17:02:59,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:59,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:59,217 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 17:03:00,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:00,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 203 states and 372 transitions. [2022-10-17 17:03:00,196 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 372 transitions. [2022-10-17 17:03:00,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-17 17:03:00,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:00,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:00,317 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 17:03:00,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:00,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 204 states and 373 transitions. [2022-10-17 17:03:00,377 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 373 transitions. [2022-10-17 17:03:00,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-17 17:03:00,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:00,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:00,507 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 17:03:00,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:00,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 204 states and 371 transitions. [2022-10-17 17:03:00,558 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 371 transitions. [2022-10-17 17:03:00,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-17 17:03:00,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:00,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:00,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:00,891 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 17:03:03,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:03,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 207 states and 379 transitions. [2022-10-17 17:03:03,587 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 379 transitions. [2022-10-17 17:03:03,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-17 17:03:03,588 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:03,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:04,720 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 17:03:10,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:10,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 217 states and 405 transitions. [2022-10-17 17:03:10,221 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 405 transitions. [2022-10-17 17:03:10,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-17 17:03:10,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:10,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:10,697 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 17:03:18,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:03:18,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 229 states and 435 transitions. [2022-10-17 17:03:18,848 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 435 transitions. [2022-10-17 17:03:18,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-17 17:03:18,849 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:03:18,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:03:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:03:19,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.