./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-ext2-properties/simple_and_skiplist_2lvl-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa63f64-cb1e-442e-b059-08596e44e859/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa63f64-cb1e-442e-b059-08596e44e859/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa63f64-cb1e-442e-b059-08596e44e859/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa63f64-cb1e-442e-b059-08596e44e859/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/list-ext2-properties/simple_and_skiplist_2lvl-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa63f64-cb1e-442e-b059-08596e44e859/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa63f64-cb1e-442e-b059-08596e44e859/bin/ukojak-LBtLqBUTdQ --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 2725e330d17b26eb9ce2dcee483f6c78572e140dfdc07b8b5f8c08e6f3c60756 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:22:12,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:22:12,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:22:12,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:22:12,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:22:12,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:22:12,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:22:12,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:22:12,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:22:12,778 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:22:12,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:22:12,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:22:12,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:22:12,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:22:12,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:22:12,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:22:12,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:22:12,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:22:12,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:22:12,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:22:12,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:22:12,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:22:12,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:22:12,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:22:12,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:22:12,817 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:22:12,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:22:12,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:22:12,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:22:12,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:22:12,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:22:12,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:22:12,826 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:22:12,828 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:22:12,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:22:12,830 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:22:12,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:22:12,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:22:12,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:22:12,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:22:12,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:22:12,835 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa63f64-cb1e-442e-b059-08596e44e859/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:22:12,885 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:22:12,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:22:12,886 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:22:12,886 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:22:12,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:22:12,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:22:12,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:22:12,887 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:22:12,887 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:22:12,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:22:12,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:22:12,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:22:12,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:22:12,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:22:12,889 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:22:12,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:22:12,889 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:22:12,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:22:12,889 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:22:12,889 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:22:12,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:22:12,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:22:12,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:22:12,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:22:12,893 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:22:12,893 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:22:12,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:22:12,894 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:22:12,894 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_9fa63f64-cb1e-442e-b059-08596e44e859/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa63f64-cb1e-442e-b059-08596e44e859/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2725e330d17b26eb9ce2dcee483f6c78572e140dfdc07b8b5f8c08e6f3c60756 [2021-11-22 23:22:13,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:22:13,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:22:13,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:22:13,251 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:22:13,252 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:22:13,254 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa63f64-cb1e-442e-b059-08596e44e859/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2021-11-22 23:22:13,330 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa63f64-cb1e-442e-b059-08596e44e859/bin/ukojak-LBtLqBUTdQ/data/8723efd55/25a767b56ddb42e689d829343d3748b3/FLAG9d52f9f45 [2021-11-22 23:22:13,963 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:22:13,963 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa63f64-cb1e-442e-b059-08596e44e859/sv-benchmarks/c/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2021-11-22 23:22:13,976 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa63f64-cb1e-442e-b059-08596e44e859/bin/ukojak-LBtLqBUTdQ/data/8723efd55/25a767b56ddb42e689d829343d3748b3/FLAG9d52f9f45 [2021-11-22 23:22:14,239 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa63f64-cb1e-442e-b059-08596e44e859/bin/ukojak-LBtLqBUTdQ/data/8723efd55/25a767b56ddb42e689d829343d3748b3 [2021-11-22 23:22:14,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:22:14,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:22:14,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:22:14,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:22:14,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:22:14,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:22:14" (1/1) ... [2021-11-22 23:22:14,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d3154a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:14, skipping insertion in model container [2021-11-22 23:22:14,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:22:14" (1/1) ... [2021-11-22 23:22:14,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:22:14,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:22:14,633 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_9fa63f64-cb1e-442e-b059-08596e44e859/sv-benchmarks/c/list-ext2-properties/simple_and_skiplist_2lvl-2.i[24020,24033] [2021-11-22 23:22:14,638 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:22:14,647 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:22:14,722 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_9fa63f64-cb1e-442e-b059-08596e44e859/sv-benchmarks/c/list-ext2-properties/simple_and_skiplist_2lvl-2.i[24020,24033] [2021-11-22 23:22:14,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:22:14,760 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:22:14,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:14 WrapperNode [2021-11-22 23:22:14,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:22:14,762 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:22:14,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:22:14,764 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:22:14,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:14" (1/1) ... [2021-11-22 23:22:14,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:14" (1/1) ... [2021-11-22 23:22:14,850 INFO L137 Inliner]: procedures = 126, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 173 [2021-11-22 23:22:14,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:22:14,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:22:14,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:22:14,853 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:22:14,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:14" (1/1) ... [2021-11-22 23:22:14,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:14" (1/1) ... [2021-11-22 23:22:14,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:14" (1/1) ... [2021-11-22 23:22:14,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:14" (1/1) ... [2021-11-22 23:22:14,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:14" (1/1) ... [2021-11-22 23:22:14,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:14" (1/1) ... [2021-11-22 23:22:14,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:14" (1/1) ... [2021-11-22 23:22:14,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:22:14,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:22:14,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:22:14,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:22:14,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:22:14" (1/1) ... [2021-11-22 23:22:14,932 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:22:14,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa63f64-cb1e-442e-b059-08596e44e859/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:22:14,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa63f64-cb1e-442e-b059-08596e44e859/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:22:14,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fa63f64-cb1e-442e-b059-08596e44e859/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:22:15,017 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2021-11-22 23:22:15,018 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2021-11-22 23:22:15,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 23:22:15,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 23:22:15,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 23:22:15,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:22:15,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 23:22:15,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 23:22:15,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 23:22:15,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:22:15,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:22:15,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:22:15,122 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:22:15,123 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:22:15,183 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2021-11-22 23:22:15,522 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:22:15,592 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:22:15,592 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-22 23:22:15,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:22:15 BoogieIcfgContainer [2021-11-22 23:22:15,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:22:15,596 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:22:15,596 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:22:15,606 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:22:15,607 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:22:15" (1/1) ... [2021-11-22 23:22:15,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:22:15,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:15,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2021-11-22 23:22:15,675 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2021-11-22 23:22:15,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-22 23:22:15,677 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:15,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:15,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:15,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:15,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 41 transitions. [2021-11-22 23:22:15,845 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2021-11-22 23:22:15,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:22:15,845 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:15,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:15,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:16,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:16,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 50 transitions. [2021-11-22 23:22:16,078 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 50 transitions. [2021-11-22 23:22:16,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-22 23:22:16,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:16,079 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:16,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:16,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:16,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2021-11-22 23:22:16,952 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2021-11-22 23:22:16,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:22:16,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:16,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:17,206 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:17,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:17,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 49 states and 80 transitions. [2021-11-22 23:22:17,739 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2021-11-22 23:22:17,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-22 23:22:17,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:17,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:17,814 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-22 23:22:18,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:18,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 50 states and 83 transitions. [2021-11-22 23:22:18,058 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2021-11-22 23:22:18,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-22 23:22:18,059 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:18,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:18,438 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:19,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:19,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 58 states and 101 transitions. [2021-11-22 23:22:19,701 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 101 transitions. [2021-11-22 23:22:19,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:22:19,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:19,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:19,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:20,029 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:20,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:20,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 60 states and 109 transitions. [2021-11-22 23:22:20,340 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 109 transitions. [2021-11-22 23:22:20,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-22 23:22:20,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:20,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:20,592 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:21,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:21,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 63 states and 115 transitions. [2021-11-22 23:22:21,495 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 115 transitions. [2021-11-22 23:22:21,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-22 23:22:21,497 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:21,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:21,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:22,058 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:23,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:23,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 72 states and 136 transitions. [2021-11-22 23:22:23,732 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 136 transitions. [2021-11-22 23:22:23,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-22 23:22:23,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:23,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:24,344 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:26,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:26,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 78 states and 152 transitions. [2021-11-22 23:22:26,219 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 152 transitions. [2021-11-22 23:22:26,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 23:22:26,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:26,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:26,776 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:28,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:28,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 84 states and 167 transitions. [2021-11-22 23:22:28,598 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 167 transitions. [2021-11-22 23:22:28,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-22 23:22:28,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:28,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:28,944 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:30,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:30,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 87 states and 174 transitions. [2021-11-22 23:22:30,523 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 174 transitions. [2021-11-22 23:22:30,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-22 23:22:30,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:30,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:31,323 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:34,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:34,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 94 states and 197 transitions. [2021-11-22 23:22:34,162 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 197 transitions. [2021-11-22 23:22:34,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 23:22:34,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:34,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:34,895 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:22:36,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:36,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 98 states and 207 transitions. [2021-11-22 23:22:36,666 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 207 transitions. [2021-11-22 23:22:36,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 23:22:36,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:36,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:37,387 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:41,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:41,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 104 states and 227 transitions. [2021-11-22 23:22:41,355 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 227 transitions. [2021-11-22 23:22:41,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-22 23:22:41,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:41,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:42,477 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:45,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:45,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 110 states and 245 transitions. [2021-11-22 23:22:45,602 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 245 transitions. [2021-11-22 23:22:45,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-22 23:22:45,603 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:45,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:46,151 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:22:47,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:47,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 112 states and 247 transitions. [2021-11-22 23:22:47,211 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 247 transitions. [2021-11-22 23:22:47,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-22 23:22:47,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:47,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:47,726 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:50,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:50,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 115 states and 255 transitions. [2021-11-22 23:22:50,390 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 255 transitions. [2021-11-22 23:22:50,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-22 23:22:50,391 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:50,392 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:51,660 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:22:57,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:22:57,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 122 states and 282 transitions. [2021-11-22 23:22:57,332 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 282 transitions. [2021-11-22 23:22:57,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-22 23:22:57,333 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:22:57,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:22:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:22:58,166 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:00,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:00,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 126 states and 293 transitions. [2021-11-22 23:23:00,771 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 293 transitions. [2021-11-22 23:23:00,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-22 23:23:00,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:00,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:01,887 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:07,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:07,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 132 states and 317 transitions. [2021-11-22 23:23:07,712 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 317 transitions. [2021-11-22 23:23:07,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-22 23:23:07,713 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:07,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:09,096 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:13,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:13,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 138 states and 338 transitions. [2021-11-22 23:23:13,772 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 338 transitions. [2021-11-22 23:23:13,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-22 23:23:13,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:13,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:14,695 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:23:18,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:18,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 144 states and 351 transitions. [2021-11-22 23:23:18,967 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 351 transitions. [2021-11-22 23:23:18,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-22 23:23:18,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:18,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:19,725 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 5 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:23,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:23,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 147 states and 360 transitions. [2021-11-22 23:23:23,816 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 360 transitions. [2021-11-22 23:23:23,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-22 23:23:23,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:23,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:25,712 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:33,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:33,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 154 states and 392 transitions. [2021-11-22 23:23:33,974 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 392 transitions. [2021-11-22 23:23:33,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-22 23:23:33,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:33,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:35,694 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:42,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:42,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 162 states and 414 transitions. [2021-11-22 23:23:42,878 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 414 transitions. [2021-11-22 23:23:42,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-22 23:23:42,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:42,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:42,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:44,655 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:23:53,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:23:53,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 168 states and 442 transitions. [2021-11-22 23:23:53,394 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 442 transitions. [2021-11-22 23:23:53,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-22 23:23:53,395 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:23:53,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:23:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:23:56,484 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:10,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:10,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 179 states and 478 transitions. [2021-11-22 23:24:10,594 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 478 transitions. [2021-11-22 23:24:10,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-22 23:24:10,595 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:10,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:11,839 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:24:18,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:18,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 185 states and 492 transitions. [2021-11-22 23:24:18,257 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 492 transitions. [2021-11-22 23:24:18,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-22 23:24:18,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:18,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:19,565 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 6 proven. 101 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:25,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:25,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 188 states and 502 transitions. [2021-11-22 23:24:25,820 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 502 transitions. [2021-11-22 23:24:25,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-11-22 23:24:25,821 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:25,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:25,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:30,571 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:24:44,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:44,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 195 states and 538 transitions. [2021-11-22 23:24:44,599 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 538 transitions. [2021-11-22 23:24:44,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-22 23:24:44,600 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:44,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:46,049 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:24:50,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:24:50,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 199 states and 550 transitions. [2021-11-22 23:24:50,966 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 550 transitions. [2021-11-22 23:24:50,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-22 23:24:50,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:24:50,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:24:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:24:54,448 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:08,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:08,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 205 states and 582 transitions. [2021-11-22 23:25:08,025 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 582 transitions. [2021-11-22 23:25:08,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-22 23:25:08,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:08,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:12,383 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 138 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:25:31,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:31,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 218 states and 633 transitions. [2021-11-22 23:25:31,896 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 633 transitions. [2021-11-22 23:25:31,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-22 23:25:31,897 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:31,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:40,013 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:25:54,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:25:54,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 224 states and 662 transitions. [2021-11-22 23:25:54,880 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 662 transitions. [2021-11-22 23:25:54,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 23:25:54,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:25:54,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:25:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:25:56,912 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 7 proven. 142 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:05,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:05,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 227 states and 674 transitions. [2021-11-22 23:26:05,944 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 674 transitions. [2021-11-22 23:26:05,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-11-22 23:26:05,945 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:05,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:07,240 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2021-11-22 23:26:10,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:10,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 229 states and 676 transitions. [2021-11-22 23:26:10,273 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 676 transitions. [2021-11-22 23:26:10,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:26:10,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:10,274 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:14,158 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:30,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:30,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 236 states and 718 transitions. [2021-11-22 23:26:30,191 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 718 transitions. [2021-11-22 23:26:30,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-22 23:26:30,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:30,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:31,035 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:26:33,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:33,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 238 states and 729 transitions. [2021-11-22 23:26:33,611 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 729 transitions. [2021-11-22 23:26:33,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-22 23:26:33,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:33,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:26:43,369 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 166 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:26:58,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:26:58,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 242 states and 745 transitions. [2021-11-22 23:26:58,007 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 745 transitions. [2021-11-22 23:26:58,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-11-22 23:26:58,008 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:26:58,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:26:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:01,280 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 0 proven. 175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:17,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:17,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 248 states and 784 transitions. [2021-11-22 23:27:17,267 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 784 transitions. [2021-11-22 23:27:17,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:27:17,268 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:17,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:23,599 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:41,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:41,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 256 states and 823 transitions. [2021-11-22 23:27:41,313 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 823 transitions. [2021-11-22 23:27:41,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-22 23:27:41,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:41,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:42,535 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:27:46,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:46,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 258 states and 835 transitions. [2021-11-22 23:27:46,180 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 835 transitions. [2021-11-22 23:27:46,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:27:46,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:46,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:46,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:27:48,356 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:27:59,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:27:59,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 264 states and 852 transitions. [2021-11-22 23:27:59,528 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 852 transitions. [2021-11-22 23:27:59,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-22 23:27:59,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:27:59,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:27:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:00,883 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:28:04,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:04,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 266 states and 855 transitions. [2021-11-22 23:28:04,639 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 855 transitions. [2021-11-22 23:28:04,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-22 23:28:04,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:04,641 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:11,269 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 15 proven. 183 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:27,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:27,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 269 states and 867 transitions. [2021-11-22 23:28:27,617 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 867 transitions. [2021-11-22 23:28:27,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-22 23:28:27,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:27,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:32,254 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 0 proven. 205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:28:52,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:28:52,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 276 states and 914 transitions. [2021-11-22 23:28:52,767 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 914 transitions. [2021-11-22 23:28:52,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 23:28:52,768 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:28:52,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:28:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:28:59,298 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 217 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:29:25,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:25,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 286 states and 953 transitions. [2021-11-22 23:29:25,121 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 953 transitions. [2021-11-22 23:29:25,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-22 23:29:25,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:25,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:29:29,032 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 228 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:29:50,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:29:50,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 292 states and 993 transitions. [2021-11-22 23:29:50,348 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 993 transitions. [2021-11-22 23:29:50,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-22 23:29:50,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:29:50,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:29:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:04,707 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 0 proven. 239 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:30:37,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:37,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 300 states and 1029 transitions. [2021-11-22 23:30:37,071 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 1029 transitions. [2021-11-22 23:30:37,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-22 23:30:37,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:37,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:41,651 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 249 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-22 23:30:52,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:30:52,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 304 states and 1050 transitions. [2021-11-22 23:30:52,995 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 1050 transitions. [2021-11-22 23:30:52,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-22 23:30:52,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:30:52,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:30:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:30:56,387 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 9 proven. 245 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:11,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:11,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 307 states and 1062 transitions. [2021-11-22 23:31:11,338 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 1062 transitions. [2021-11-22 23:31:11,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-22 23:31:11,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:11,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:17,102 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 262 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:37,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:37,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1114 states to 314 states and 1114 transitions. [2021-11-22 23:31:37,938 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 1114 transitions. [2021-11-22 23:31:37,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-22 23:31:37,939 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:37,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:38,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:39,358 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 262 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:31:43,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:31:43,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 316 states and 1126 transitions. [2021-11-22 23:31:43,436 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 1126 transitions. [2021-11-22 23:31:43,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 23:31:43,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:31:43,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:31:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:31:49,992 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:32:04,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:04,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 320 states and 1147 transitions. [2021-11-22 23:32:04,128 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 1147 transitions. [2021-11-22 23:32:04,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 23:32:04,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:04,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:05,952 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:32:10,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:10,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1159 states to 322 states and 1159 transitions. [2021-11-22 23:32:10,231 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 1159 transitions. [2021-11-22 23:32:10,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-22 23:32:10,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:10,232 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:12,006 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-22 23:32:16,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:16,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 324 states and 1169 transitions. [2021-11-22 23:32:16,562 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 1169 transitions. [2021-11-22 23:32:16,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:32:16,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:16,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:23,794 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 293 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:32:37,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:37,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1188 states to 328 states and 1188 transitions. [2021-11-22 23:32:37,027 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 1188 transitions. [2021-11-22 23:32:37,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:32:37,028 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:37,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:38,651 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 293 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:32:42,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:42,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 330 states and 1193 transitions. [2021-11-22 23:32:42,936 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 1193 transitions. [2021-11-22 23:32:42,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-22 23:32:42,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:42,937 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:44,560 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 0 proven. 293 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-22 23:32:48,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:32:48,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 332 states and 1204 transitions. [2021-11-22 23:32:48,081 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 1204 transitions. [2021-11-22 23:32:48,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:32:48,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:32:48,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:32:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:32:53,048 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:19,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:19,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 338 states and 1249 transitions. [2021-11-22 23:33:19,165 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 1249 transitions. [2021-11-22 23:33:19,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:33:19,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:19,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:20,495 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:33:25,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:33:25,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 340 states and 1264 transitions. [2021-11-22 23:33:25,185 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 1264 transitions. [2021-11-22 23:33:25,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-22 23:33:25,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:33:25,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:33:25,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:33:50,748 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 2 proven. 312 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.