./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.p+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205f4e75-aa30-459e-8abd-98afcd950286/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205f4e75-aa30-459e-8abd-98afcd950286/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_205f4e75-aa30-459e-8abd-98afcd950286/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205f4e75-aa30-459e-8abd-98afcd950286/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.p+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205f4e75-aa30-459e-8abd-98afcd950286/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_205f4e75-aa30-459e-8abd-98afcd950286/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 448913247e8c38d6975c8299b43203acc4129a19332f08af90d09f73955e1f22 --- 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 16:57:11,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:57:11,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:57:11,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:57:11,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:57:11,261 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:57:11,263 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:57:11,267 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:57:11,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:57:11,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:57:11,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:57:11,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:57:11,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:57:11,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:57:11,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:57:11,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:57:11,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:57:11,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:57:11,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:57:11,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:57:11,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:57:11,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:57:11,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:57:11,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:57:11,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:57:11,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:57:11,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:57:11,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:57:11,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:57:11,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:57:11,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:57:11,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:57:11,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:57:11,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:57:11,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:57:11,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:57:11,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:57:11,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:57:11,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:57:11,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:57:11,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:57:11,346 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205f4e75-aa30-459e-8abd-98afcd950286/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:57:11,410 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:57:11,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:57:11,412 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:57:11,412 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:57:11,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:57:11,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:57:11,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:57:11,413 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:57:11,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:57:11,414 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:57:11,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:57:11,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:57:11,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:57:11,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:57:11,416 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:57:11,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:57:11,416 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:57:11,416 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:57:11,417 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:57:11,417 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:57:11,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:57:11,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:57:11,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:57:11,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:57:11,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:57:11,418 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:57:11,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:57:11,420 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:57:11,421 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_205f4e75-aa30-459e-8abd-98afcd950286/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205f4e75-aa30-459e-8abd-98afcd950286/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 448913247e8c38d6975c8299b43203acc4129a19332f08af90d09f73955e1f22 [2022-10-17 16:57:11,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:57:11,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:57:11,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:57:11,713 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:57:11,714 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:57:11,716 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205f4e75-aa30-459e-8abd-98afcd950286/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.p+lhb-reducer.c [2022-10-17 16:57:11,785 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205f4e75-aa30-459e-8abd-98afcd950286/bin/ukojak-92XMlrwhuB/data/e2d93752c/3bbca5f355384788a3f454722d567746/FLAGbe5662dd5 [2022-10-17 16:57:12,308 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:57:12,309 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205f4e75-aa30-459e-8abd-98afcd950286/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.p+lhb-reducer.c [2022-10-17 16:57:12,324 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205f4e75-aa30-459e-8abd-98afcd950286/bin/ukojak-92XMlrwhuB/data/e2d93752c/3bbca5f355384788a3f454722d567746/FLAGbe5662dd5 [2022-10-17 16:57:12,600 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205f4e75-aa30-459e-8abd-98afcd950286/bin/ukojak-92XMlrwhuB/data/e2d93752c/3bbca5f355384788a3f454722d567746 [2022-10-17 16:57:12,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:57:12,606 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:57:12,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:57:12,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:57:12,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:57:12,613 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:57:12" (1/1) ... [2022-10-17 16:57:12,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c45112a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:12, skipping insertion in model container [2022-10-17 16:57:12,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:57:12" (1/1) ... [2022-10-17 16:57:12,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:57:12,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:57:13,137 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_205f4e75-aa30-459e-8abd-98afcd950286/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.p+lhb-reducer.c[16438,16451] [2022-10-17 16:57:13,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:57:13,270 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:57:13,522 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_205f4e75-aa30-459e-8abd-98afcd950286/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.6.1.ufo.BOUNDED-12.pals.c.p+lhb-reducer.c[16438,16451] [2022-10-17 16:57:13,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:57:13,631 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:57:13,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:13 WrapperNode [2022-10-17 16:57:13,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:57:13,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:57:13,633 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:57:13,633 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:57:13,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:13" (1/1) ... [2022-10-17 16:57:13,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:13" (1/1) ... [2022-10-17 16:57:13,758 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1408 [2022-10-17 16:57:13,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:57:13,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:57:13,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:57:13,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:57:13,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:13" (1/1) ... [2022-10-17 16:57:13,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:13" (1/1) ... [2022-10-17 16:57:13,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:13" (1/1) ... [2022-10-17 16:57:13,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:13" (1/1) ... [2022-10-17 16:57:13,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:13" (1/1) ... [2022-10-17 16:57:13,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:13" (1/1) ... [2022-10-17 16:57:13,847 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:13" (1/1) ... [2022-10-17 16:57:13,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:13" (1/1) ... [2022-10-17 16:57:13,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:57:13,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:57:13,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:57:13,869 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:57:13,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:57:13" (1/1) ... [2022-10-17 16:57:13,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:57:13,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205f4e75-aa30-459e-8abd-98afcd950286/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:57:13,901 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205f4e75-aa30-459e-8abd-98afcd950286/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:57:13,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_205f4e75-aa30-459e-8abd-98afcd950286/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:57:13,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:57:13,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:57:13,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:57:13,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:57:14,117 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:57:14,165 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:57:15,334 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:57:16,136 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:57:16,137 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:57:16,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:57:16 BoogieIcfgContainer [2022-10-17 16:57:16,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:57:16,141 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:57:16,141 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:57:16,151 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:57:16,151 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:57:16" (1/1) ... [2022-10-17 16:57:16,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:57:16,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:16,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 222 states and 337 transitions. [2022-10-17 16:57:16,221 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 337 transitions. [2022-10-17 16:57:16,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-17 16:57:16,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:16,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:17,641 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 16:57:17,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:17,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 222 states and 335 transitions. [2022-10-17 16:57:17,789 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 335 transitions. [2022-10-17 16:57:17,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-17 16:57:17,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:17,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:18,872 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 16:57:19,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:19,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 226 states and 340 transitions. [2022-10-17 16:57:19,125 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 340 transitions. [2022-10-17 16:57:19,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-17 16:57:19,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:19,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:20,129 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 16:57:20,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:20,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 222 states and 334 transitions. [2022-10-17 16:57:20,146 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 334 transitions. [2022-10-17 16:57:20,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-17 16:57:20,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:20,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:21,318 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 16:57:21,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:21,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 231 states and 347 transitions. [2022-10-17 16:57:21,793 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 347 transitions. [2022-10-17 16:57:21,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-17 16:57:21,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:21,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:22,706 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 16:57:22,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:22,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 232 states and 347 transitions. [2022-10-17 16:57:22,723 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 347 transitions. [2022-10-17 16:57:22,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-17 16:57:22,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:22,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:23,657 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 16:57:23,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:23,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 222 states and 333 transitions. [2022-10-17 16:57:23,678 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 333 transitions. [2022-10-17 16:57:23,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-17 16:57:23,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:23,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:24,833 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 16:57:25,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:25,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 236 states and 354 transitions. [2022-10-17 16:57:25,655 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 354 transitions. [2022-10-17 16:57:25,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-17 16:57:25,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:25,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:26,746 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 16:57:26,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:26,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 237 states and 354 transitions. [2022-10-17 16:57:26,769 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 354 transitions. [2022-10-17 16:57:26,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-17 16:57:26,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:26,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:27,841 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 16:57:27,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:27,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 238 states and 354 transitions. [2022-10-17 16:57:27,863 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 354 transitions. [2022-10-17 16:57:27,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-17 16:57:27,865 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:27,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:28,847 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 16:57:28,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:28,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 222 states and 332 transitions. [2022-10-17 16:57:28,872 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 332 transitions. [2022-10-17 16:57:28,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-17 16:57:28,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:28,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:30,031 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 16:57:31,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:31,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 241 states and 361 transitions. [2022-10-17 16:57:31,284 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 361 transitions. [2022-10-17 16:57:31,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-17 16:57:31,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:31,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:32,432 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 16:57:32,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:32,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 242 states and 361 transitions. [2022-10-17 16:57:32,464 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 361 transitions. [2022-10-17 16:57:32,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-17 16:57:32,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:32,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:33,516 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 16:57:33,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:33,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 243 states and 361 transitions. [2022-10-17 16:57:33,544 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 361 transitions. [2022-10-17 16:57:33,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-17 16:57:33,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:33,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:34,612 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 16:57:34,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:34,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 244 states and 361 transitions. [2022-10-17 16:57:34,643 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 361 transitions. [2022-10-17 16:57:34,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-17 16:57:34,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:34,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:35,803 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 16:57:35,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:35,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 222 states and 331 transitions. [2022-10-17 16:57:35,830 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 331 transitions. [2022-10-17 16:57:35,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-17 16:57:35,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:35,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:57:37,209 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 16:57:38,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:57:38,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 246 states and 368 transitions. [2022-10-17 16:57:38,896 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 368 transitions. [2022-10-17 16:57:38,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-17 16:57:38,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:57:38,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:57:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat