./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b980bc88-ae6a-4056-ad47-30ba4034a7af/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b980bc88-ae6a-4056-ad47-30ba4034a7af/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b980bc88-ae6a-4056-ad47-30ba4034a7af/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b980bc88-ae6a-4056-ad47-30ba4034a7af/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b980bc88-ae6a-4056-ad47-30ba4034a7af/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b980bc88-ae6a-4056-ad47-30ba4034a7af/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e1221f43edcd55fb28cc2c33b3cd78828237d81c097e561fccaa486cdd56e141 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 21:58:08,726 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 21:58:08,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 21:58:08,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 21:58:08,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 21:58:08,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 21:58:08,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 21:58:08,763 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 21:58:08,765 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 21:58:08,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 21:58:08,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 21:58:08,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 21:58:08,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 21:58:08,771 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 21:58:08,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 21:58:08,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 21:58:08,775 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 21:58:08,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 21:58:08,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 21:58:08,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 21:58:08,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 21:58:08,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 21:58:08,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 21:58:08,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 21:58:08,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 21:58:08,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 21:58:08,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 21:58:08,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 21:58:08,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 21:58:08,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 21:58:08,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 21:58:08,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 21:58:08,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 21:58:08,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 21:58:08,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 21:58:08,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 21:58:08,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 21:58:08,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 21:58:08,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 21:58:08,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 21:58:08,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 21:58:08,805 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b980bc88-ae6a-4056-ad47-30ba4034a7af/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 21:58:08,829 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 21:58:08,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 21:58:08,830 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 21:58:08,831 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 21:58:08,831 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 21:58:08,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 21:58:08,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 21:58:08,832 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 21:58:08,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 21:58:08,833 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 21:58:08,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 21:58:08,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 21:58:08,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 21:58:08,834 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 21:58:08,834 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 21:58:08,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 21:58:08,834 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 21:58:08,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 21:58:08,835 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 21:58:08,835 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 21:58:08,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 21:58:08,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:58:08,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 21:58:08,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 21:58:08,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 21:58:08,837 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 21:58:08,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 21:58:08,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 21:58:08,837 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_b980bc88-ae6a-4056-ad47-30ba4034a7af/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b980bc88-ae6a-4056-ad47-30ba4034a7af/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1221f43edcd55fb28cc2c33b3cd78828237d81c097e561fccaa486cdd56e141 [2021-11-13 21:58:09,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 21:58:09,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 21:58:09,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 21:58:09,102 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 21:58:09,103 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 21:58:09,104 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b980bc88-ae6a-4056-ad47-30ba4034a7af/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2021-11-13 21:58:09,166 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b980bc88-ae6a-4056-ad47-30ba4034a7af/bin/ukojak-2xVlg8857e/data/a58cbc249/3acc967efd0842d5b59d289ce8904937/FLAGaef5f3205 [2021-11-13 21:58:09,642 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 21:58:09,643 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b980bc88-ae6a-4056-ad47-30ba4034a7af/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2021-11-13 21:58:09,655 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b980bc88-ae6a-4056-ad47-30ba4034a7af/bin/ukojak-2xVlg8857e/data/a58cbc249/3acc967efd0842d5b59d289ce8904937/FLAGaef5f3205 [2021-11-13 21:58:09,974 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b980bc88-ae6a-4056-ad47-30ba4034a7af/bin/ukojak-2xVlg8857e/data/a58cbc249/3acc967efd0842d5b59d289ce8904937 [2021-11-13 21:58:09,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 21:58:09,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 21:58:09,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 21:58:09,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 21:58:09,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 21:58:09,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:58:09" (1/1) ... [2021-11-13 21:58:09,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7758c0dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:09, skipping insertion in model container [2021-11-13 21:58:09,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:58:09" (1/1) ... [2021-11-13 21:58:10,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 21:58:10,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 21:58:10,340 WARN L228 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_b980bc88-ae6a-4056-ad47-30ba4034a7af/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[7107,7120] [2021-11-13 21:58:10,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:58:10,437 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 21:58:10,498 WARN L228 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_b980bc88-ae6a-4056-ad47-30ba4034a7af/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[7107,7120] [2021-11-13 21:58:10,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:58:10,596 INFO L208 MainTranslator]: Completed translation [2021-11-13 21:58:10,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:10 WrapperNode [2021-11-13 21:58:10,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 21:58:10,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 21:58:10,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 21:58:10,599 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 21:58:10,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:10" (1/1) ... [2021-11-13 21:58:10,630 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:10" (1/1) ... [2021-11-13 21:58:10,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 21:58:10,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 21:58:10,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 21:58:10,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 21:58:10,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:10" (1/1) ... [2021-11-13 21:58:10,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:10" (1/1) ... [2021-11-13 21:58:10,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:10" (1/1) ... [2021-11-13 21:58:10,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:10" (1/1) ... [2021-11-13 21:58:10,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:10" (1/1) ... [2021-11-13 21:58:10,773 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:10" (1/1) ... [2021-11-13 21:58:10,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:10" (1/1) ... [2021-11-13 21:58:10,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 21:58:10,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 21:58:10,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 21:58:10,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 21:58:10,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:58:10" (1/1) ... [2021-11-13 21:58:10,809 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:58:10,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b980bc88-ae6a-4056-ad47-30ba4034a7af/bin/ukojak-2xVlg8857e/z3 [2021-11-13 21:58:10,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b980bc88-ae6a-4056-ad47-30ba4034a7af/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 21:58:10,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b980bc88-ae6a-4056-ad47-30ba4034a7af/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 21:58:10,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 21:58:10,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 21:58:10,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 21:58:10,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 21:58:11,930 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 21:58:11,931 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 21:58:11,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:58:11 BoogieIcfgContainer [2021-11-13 21:58:11,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 21:58:11,935 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 21:58:11,935 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 21:58:11,945 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 21:58:11,945 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:58:11" (1/1) ... [2021-11-13 21:58:11,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 21:58:12,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:12,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 122 states and 205 transitions. [2021-11-13 21:58:12,034 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 205 transitions. [2021-11-13 21:58:12,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-13 21:58:12,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:12,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:12,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:12,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:12,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 133 states and 224 transitions. [2021-11-13 21:58:12,694 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 224 transitions. [2021-11-13 21:58:12,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 21:58:12,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:12,696 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:12,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:13,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:13,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 137 states and 231 transitions. [2021-11-13 21:58:13,521 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 231 transitions. [2021-11-13 21:58:13,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 21:58:13,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:13,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:13,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:15,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:15,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 149 states and 256 transitions. [2021-11-13 21:58:15,146 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 256 transitions. [2021-11-13 21:58:15,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-13 21:58:15,150 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:15,150 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:15,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:16,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:16,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 157 states and 274 transitions. [2021-11-13 21:58:16,942 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 274 transitions. [2021-11-13 21:58:16,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-13 21:58:16,944 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:16,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:18,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:28,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:28,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 182 states and 331 transitions. [2021-11-13 21:58:28,688 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 331 transitions. [2021-11-13 21:58:28,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-13 21:58:28,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:28,690 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:31,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:50,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:50,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 204 states and 381 transitions. [2021-11-13 21:58:50,079 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 381 transitions. [2021-11-13 21:58:50,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-13 21:58:50,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:50,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:58:50,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:58:59,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:58:59,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 212 states and 400 transitions. [2021-11-13 21:58:59,325 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 400 transitions. [2021-11-13 21:58:59,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-13 21:58:59,328 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:58:59,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:58:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:04,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:33,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:33,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 235 states and 454 transitions. [2021-11-13 21:59:33,852 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 454 transitions. [2021-11-13 21:59:33,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-13 21:59:33,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:33,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:34,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 21:59:48,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 21:59:48,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 239 states and 461 transitions. [2021-11-13 21:59:48,668 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 461 transitions. [2021-11-13 21:59:48,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-13 21:59:48,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 21:59:48,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 21:59:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 21:59:49,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:09,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:09,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 239 states and 460 transitions. [2021-11-13 22:00:09,284 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 460 transitions. [2021-11-13 22:00:09,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 22:00:09,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:09,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:09,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:09,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:11,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:11,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 242 states and 468 transitions. [2021-11-13 22:00:11,894 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 468 transitions. [2021-11-13 22:00:11,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 22:00:11,895 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:11,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:11,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:14,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:14,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 245 states and 474 transitions. [2021-11-13 22:00:14,685 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 474 transitions. [2021-11-13 22:00:14,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 22:00:14,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:14,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:14,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:14,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:17,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:17,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 248 states and 479 transitions. [2021-11-13 22:00:17,962 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 479 transitions. [2021-11-13 22:00:17,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-13 22:00:17,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:17,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:20,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:39,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:39,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 263 states and 510 transitions. [2021-11-13 22:00:39,454 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 510 transitions. [2021-11-13 22:00:39,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-13 22:00:39,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:39,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:39,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:00:53,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:00:53,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 277 states and 546 transitions. [2021-11-13 22:00:53,967 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 546 transitions. [2021-11-13 22:00:53,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-13 22:00:53,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:00:53,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:00:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:00:59,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:48,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:48,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 303 states and 623 transitions. [2021-11-13 22:01:48,664 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 623 transitions. [2021-11-13 22:01:48,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-13 22:01:48,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:48,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:48,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:01:54,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:01:54,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 310 states and 640 transitions. [2021-11-13 22:01:54,166 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 640 transitions. [2021-11-13 22:01:54,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-13 22:01:54,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:01:54,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:01:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:01:56,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:20,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:20,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 329 states and 688 transitions. [2021-11-13 22:02:20,104 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 688 transitions. [2021-11-13 22:02:20,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-13 22:02:20,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:20,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:20,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:24,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:24,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 333 states and 701 transitions. [2021-11-13 22:02:24,308 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 701 transitions. [2021-11-13 22:02:24,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-13 22:02:24,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:24,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:24,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:27,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:27,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 336 states and 709 transitions. [2021-11-13 22:02:27,139 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 709 transitions. [2021-11-13 22:02:27,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-13 22:02:27,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:27,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:27,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:02:37,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:02:37,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 347 states and 737 transitions. [2021-11-13 22:02:37,518 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 737 transitions. [2021-11-13 22:02:37,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-13 22:02:37,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:02:37,520 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:02:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:02:44,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:36,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:36,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 373 states and 808 transitions. [2021-11-13 22:03:36,093 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 808 transitions. [2021-11-13 22:03:36,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-13 22:03:36,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:36,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:36,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:36,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:39,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:39,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 369 states and 778 transitions. [2021-11-13 22:03:39,986 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 778 transitions. [2021-11-13 22:03:39,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-13 22:03:39,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:39,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:40,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:44,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:44,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 362 states and 761 transitions. [2021-11-13 22:03:44,399 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 761 transitions. [2021-11-13 22:03:44,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-13 22:03:44,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:44,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:44,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:44,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:48,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:48,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 355 states and 744 transitions. [2021-11-13 22:03:48,561 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 744 transitions. [2021-11-13 22:03:48,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 22:03:48,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:48,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:03:48,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:03:55,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:03:55,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 358 states and 753 transitions. [2021-11-13 22:03:55,490 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 753 transitions. [2021-11-13 22:03:55,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 22:03:55,491 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:03:55,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:03:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:04:04,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:05:16,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:16,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 375 states and 783 transitions. [2021-11-13 22:05:16,674 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 783 transitions. [2021-11-13 22:05:16,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 22:05:16,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:16,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:16,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:05:24,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:24,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 371 states and 775 transitions. [2021-11-13 22:05:24,152 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 775 transitions. [2021-11-13 22:05:24,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 22:05:24,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:24,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:24,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:05:31,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:31,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 367 states and 764 transitions. [2021-11-13 22:05:31,330 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 764 transitions. [2021-11-13 22:05:31,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 22:05:31,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:31,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:31,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:05:38,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:38,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 375 states and 779 transitions. [2021-11-13 22:05:38,973 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 779 transitions. [2021-11-13 22:05:38,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 22:05:38,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:38,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:39,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:05:43,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:05:43,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 379 states and 784 transitions. [2021-11-13 22:05:43,973 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 784 transitions. [2021-11-13 22:05:43,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 22:05:43,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:05:43,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:05:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:05:52,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:18,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:18,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 384 states and 808 transitions. [2021-11-13 22:07:18,366 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 808 transitions. [2021-11-13 22:07:18,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 22:07:18,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:18,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:18,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:26,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:26,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 389 states and 823 transitions. [2021-11-13 22:07:26,953 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 823 transitions. [2021-11-13 22:07:26,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 22:07:26,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:26,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:26,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:35,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:35,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 389 states and 822 transitions. [2021-11-13 22:07:35,074 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 822 transitions. [2021-11-13 22:07:35,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 22:07:35,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:35,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:35,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:35,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:38,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:38,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 385 states and 810 transitions. [2021-11-13 22:07:38,113 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 810 transitions. [2021-11-13 22:07:38,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 22:07:38,114 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:38,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:38,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:07:41,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:07:41,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 384 states and 804 transitions. [2021-11-13 22:07:41,775 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 804 transitions. [2021-11-13 22:07:41,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 22:07:41,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:07:41,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:07:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:07:48,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:30,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:30,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 402 states and 859 transitions. [2021-11-13 22:08:30,533 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 859 transitions. [2021-11-13 22:08:30,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 22:08:30,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:30,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:30,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:36,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:36,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 403 states and 860 transitions. [2021-11-13 22:08:36,717 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 860 transitions. [2021-11-13 22:08:36,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-13 22:08:36,718 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:36,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:36,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:40,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:40,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 384 states and 805 transitions. [2021-11-13 22:08:40,024 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 805 transitions. [2021-11-13 22:08:40,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-13 22:08:40,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:40,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:40,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:52,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:52,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 390 states and 826 transitions. [2021-11-13 22:08:52,536 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 826 transitions. [2021-11-13 22:08:52,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-13 22:08:52,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:52,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:52,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:56,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:56,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 394 states and 832 transitions. [2021-11-13 22:08:56,027 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 832 transitions. [2021-11-13 22:08:56,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-13 22:08:56,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:56,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:08:56,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 22:08:59,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 22:08:59,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 397 states and 836 transitions. [2021-11-13 22:08:59,303 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 836 transitions. [2021-11-13 22:08:59,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-13 22:08:59,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-13 22:08:59,304 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 22:08:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 22:09:25,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.