./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound50.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_1cfe50a9-9935-44f2-bf1e-c7c8481f820a/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe50a9-9935-44f2-bf1e-c7c8481f820a/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_1cfe50a9-9935-44f2-bf1e-c7c8481f820a/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe50a9-9935-44f2-bf1e-c7c8481f820a/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe50a9-9935-44f2-bf1e-c7c8481f820a/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_1cfe50a9-9935-44f2-bf1e-c7c8481f820a/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 2d26d8e14d33b8c29eaf9ffa7603dd26966f962451e6c0726b154a73bf65f3d2 --- 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 16:39:19,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:39:19,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:39:19,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:39:19,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:39:19,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:39:19,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:39:19,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:39:19,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:39:19,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:39:19,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:39:19,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:39:19,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:39:19,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:39:19,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:39:19,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:39:19,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:39:19,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:39:19,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:39:19,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:39:19,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:39:19,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:39:19,715 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:39:19,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:39:19,721 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:39:19,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:39:19,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:39:19,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:39:19,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:39:19,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:39:19,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:39:19,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:39:19,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:39:19,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:39:19,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:39:19,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:39:19,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:39:19,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:39:19,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:39:19,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:39:19,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:39:19,736 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe50a9-9935-44f2-bf1e-c7c8481f820a/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:39:19,778 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:39:19,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:39:19,787 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:39:19,787 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:39:19,788 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:39:19,788 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:39:19,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:39:19,789 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:39:19,789 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:39:19,789 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:39:19,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:39:19,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:39:19,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:39:19,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:39:19,791 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:39:19,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:39:19,792 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:39:19,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:39:19,792 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:39:19,792 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:39:19,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:39:19,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:19,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:39:19,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:39:19,794 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:39:19,794 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:39:19,794 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:39:19,794 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:39:19,796 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_1cfe50a9-9935-44f2-bf1e-c7c8481f820a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe50a9-9935-44f2-bf1e-c7c8481f820a/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d26d8e14d33b8c29eaf9ffa7603dd26966f962451e6c0726b154a73bf65f3d2 [2022-10-17 16:39:20,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:39:20,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:39:20,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:39:20,135 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:39:20,144 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:39:20,146 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe50a9-9935-44f2-bf1e-c7c8481f820a/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound50.c [2022-10-17 16:39:20,230 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe50a9-9935-44f2-bf1e-c7c8481f820a/bin/ukojak-92XMlrwhuB/data/637e8f07d/1da30e4caf3a440e897cbc361bfd6c99/FLAG58ac29ff2 [2022-10-17 16:39:20,782 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:39:20,783 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe50a9-9935-44f2-bf1e-c7c8481f820a/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound50.c [2022-10-17 16:39:20,790 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe50a9-9935-44f2-bf1e-c7c8481f820a/bin/ukojak-92XMlrwhuB/data/637e8f07d/1da30e4caf3a440e897cbc361bfd6c99/FLAG58ac29ff2 [2022-10-17 16:39:21,160 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe50a9-9935-44f2-bf1e-c7c8481f820a/bin/ukojak-92XMlrwhuB/data/637e8f07d/1da30e4caf3a440e897cbc361bfd6c99 [2022-10-17 16:39:21,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:39:21,169 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:39:21,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:21,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:39:21,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:39:21,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:21" (1/1) ... [2022-10-17 16:39:21,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc69b97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:21, skipping insertion in model container [2022-10-17 16:39:21,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:21" (1/1) ... [2022-10-17 16:39:21,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:39:21,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:39:21,470 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_1cfe50a9-9935-44f2-bf1e-c7c8481f820a/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound50.c[489,502] [2022-10-17 16:39:21,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:21,527 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:39:21,546 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_1cfe50a9-9935-44f2-bf1e-c7c8481f820a/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound50.c[489,502] [2022-10-17 16:39:21,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:21,587 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:39:21,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:21 WrapperNode [2022-10-17 16:39:21,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:21,589 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:21,589 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:39:21,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:39:21,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:21" (1/1) ... [2022-10-17 16:39:21,606 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:21" (1/1) ... [2022-10-17 16:39:21,633 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2022-10-17 16:39:21,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:21,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:39:21,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:39:21,635 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:39:21,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:21" (1/1) ... [2022-10-17 16:39:21,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:21" (1/1) ... [2022-10-17 16:39:21,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:21" (1/1) ... [2022-10-17 16:39:21,659 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:21" (1/1) ... [2022-10-17 16:39:21,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:21" (1/1) ... [2022-10-17 16:39:21,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:21" (1/1) ... [2022-10-17 16:39:21,666 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:21" (1/1) ... [2022-10-17 16:39:21,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:21" (1/1) ... [2022-10-17 16:39:21,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:39:21,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:39:21,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:39:21,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:39:21,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:21" (1/1) ... [2022-10-17 16:39:21,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:21,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe50a9-9935-44f2-bf1e-c7c8481f820a/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:39:21,709 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe50a9-9935-44f2-bf1e-c7c8481f820a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:39:21,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cfe50a9-9935-44f2-bf1e-c7c8481f820a/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:39:21,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:39:21,755 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:39:21,755 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:39:21,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:39:21,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:39:21,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:39:21,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:39:21,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:39:21,818 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:39:21,820 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:39:22,005 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:39:22,085 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:39:22,085 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:39:22,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:22 BoogieIcfgContainer [2022-10-17 16:39:22,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:39:22,089 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:39:22,089 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:39:22,118 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:39:22,118 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:22" (1/1) ... [2022-10-17 16:39:22,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:39:22,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:22,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2022-10-17 16:39:22,197 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2022-10-17 16:39:22,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:39:22,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:22,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:22,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:39:22,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:22,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2022-10-17 16:39:22,412 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2022-10-17 16:39:22,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:39:22,412 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:22,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:22,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:39:22,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:22,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 35 transitions. [2022-10-17 16:39:22,723 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2022-10-17 16:39:22,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:39:22,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:22,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:22,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:39:22,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:22,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:39:23,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:23,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 50 transitions. [2022-10-17 16:39:23,249 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2022-10-17 16:39:23,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:39:23,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:23,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:23,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-17 16:39:23,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:23,445 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:39:24,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:24,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 59 transitions. [2022-10-17 16:39:24,326 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2022-10-17 16:39:24,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:39:24,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:24,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:24,366 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:39:24,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:24,625 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:39:25,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:25,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 40 states and 70 transitions. [2022-10-17 16:39:25,852 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2022-10-17 16:39:25,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:39:25,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:25,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:25,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:39:25,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:25,984 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:39:26,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:26,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 72 transitions. [2022-10-17 16:39:26,050 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2022-10-17 16:39:26,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:39:26,052 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:26,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:26,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 16:39:26,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:26,420 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:39:27,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:27,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 46 states and 87 transitions. [2022-10-17 16:39:27,499 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 87 transitions. [2022-10-17 16:39:27,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:39:27,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:27,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:27,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:39:27,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:27,708 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:39:29,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:29,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 56 states and 137 transitions. [2022-10-17 16:39:29,615 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 137 transitions. [2022-10-17 16:39:29,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:39:29,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:29,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:29,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:29,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 16:39:29,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:29,867 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:39:30,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:30,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 58 states and 141 transitions. [2022-10-17 16:39:30,473 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 141 transitions. [2022-10-17 16:39:30,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:39:30,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:30,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:30,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 16:39:30,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:30,827 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-10-17 16:39:32,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:32,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 62 states and 159 transitions. [2022-10-17 16:39:32,128 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 159 transitions. [2022-10-17 16:39:32,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:39:32,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:32,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:32,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 26 conjunts are in the unsatisfiable core [2022-10-17 16:39:32,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:32,929 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 11 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-17 16:39:37,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:37,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 72 states and 200 transitions. [2022-10-17 16:39:37,069 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 200 transitions. [2022-10-17 16:39:37,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:39:37,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:37,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:37,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:39:37,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:37,922 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-17 16:39:40,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:40,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 76 states and 210 transitions. [2022-10-17 16:39:40,363 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 210 transitions. [2022-10-17 16:39:40,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:39:40,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:40,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:40,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:40,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 26 conjunts are in the unsatisfiable core [2022-10-17 16:39:40,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:40,864 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-17 16:39:41,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:41,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 78 states and 213 transitions. [2022-10-17 16:39:41,970 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 213 transitions. [2022-10-17 16:39:41,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:39:41,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:41,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:42,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:39:42,006 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:42,535 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-17 16:39:47,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:47,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 83 states and 239 transitions. [2022-10-17 16:39:47,507 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 239 transitions. [2022-10-17 16:39:47,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:39:47,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:47,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:47,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:39:47,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:39:48,406 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked.