./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/copy-partial-3-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec532b9-61bd-489a-8814-80e64f6b5ce5/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec532b9-61bd-489a-8814-80e64f6b5ce5/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec532b9-61bd-489a-8814-80e64f6b5ce5/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec532b9-61bd-489a-8814-80e64f6b5ce5/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/copy-partial-3-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec532b9-61bd-489a-8814-80e64f6b5ce5/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec532b9-61bd-489a-8814-80e64f6b5ce5/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 52a248b2b2cf395cf0c12ea6447af889ed3691d7fa3d2de2504a7728d19c705b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:02:20,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:02:20,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:02:20,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:02:20,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:02:20,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:02:20,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:02:20,946 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:02:20,949 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:02:20,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:02:20,956 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:02:20,961 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:02:20,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:02:20,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:02:20,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:02:20,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:02:20,971 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:02:20,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:02:20,974 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:02:20,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:02:20,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:02:20,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:02:20,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:02:20,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:02:21,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:02:21,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:02:21,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:02:21,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:02:21,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:02:21,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:02:21,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:02:21,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:02:21,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:02:21,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:02:21,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:02:21,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:02:21,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:02:21,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:02:21,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:02:21,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:02:21,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:02:21,020 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec532b9-61bd-489a-8814-80e64f6b5ce5/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:02:21,078 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:02:21,078 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:02:21,080 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:02:21,080 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:02:21,081 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:02:21,081 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:02:21,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:02:21,082 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:02:21,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:02:21,082 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:02:21,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:02:21,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:02:21,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:02:21,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:02:21,085 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:02:21,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:02:21,085 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:02:21,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:02:21,085 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:02:21,086 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:02:21,086 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:02:21,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:21,087 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:02:21,087 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:02:21,087 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:02:21,087 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:02:21,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:02:21,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:02:21,088 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_eec532b9-61bd-489a-8814-80e64f6b5ce5/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec532b9-61bd-489a-8814-80e64f6b5ce5/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52a248b2b2cf395cf0c12ea6447af889ed3691d7fa3d2de2504a7728d19c705b [2022-10-17 17:02:21,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:02:21,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:02:21,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:02:21,475 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:02:21,476 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:02:21,478 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec532b9-61bd-489a-8814-80e64f6b5ce5/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-multidimensional/copy-partial-3-u.c [2022-10-17 17:02:21,556 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec532b9-61bd-489a-8814-80e64f6b5ce5/bin/ukojak-92XMlrwhuB/data/9dd5635e6/ec15c6d0b90a4c349ed77b7de9241ad7/FLAG40f76fa8b [2022-10-17 17:02:22,046 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:02:22,047 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec532b9-61bd-489a-8814-80e64f6b5ce5/sv-benchmarks/c/array-multidimensional/copy-partial-3-u.c [2022-10-17 17:02:22,060 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec532b9-61bd-489a-8814-80e64f6b5ce5/bin/ukojak-92XMlrwhuB/data/9dd5635e6/ec15c6d0b90a4c349ed77b7de9241ad7/FLAG40f76fa8b [2022-10-17 17:02:22,398 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec532b9-61bd-489a-8814-80e64f6b5ce5/bin/ukojak-92XMlrwhuB/data/9dd5635e6/ec15c6d0b90a4c349ed77b7de9241ad7 [2022-10-17 17:02:22,401 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:02:22,402 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:02:22,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:22,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:02:22,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:02:22,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:22" (1/1) ... [2022-10-17 17:02:22,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71f0d992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:22, skipping insertion in model container [2022-10-17 17:02:22,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:22" (1/1) ... [2022-10-17 17:02:22,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:02:22,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:02:22,649 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_eec532b9-61bd-489a-8814-80e64f6b5ce5/sv-benchmarks/c/array-multidimensional/copy-partial-3-u.c[414,427] [2022-10-17 17:02:22,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:22,689 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:02:22,700 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_eec532b9-61bd-489a-8814-80e64f6b5ce5/sv-benchmarks/c/array-multidimensional/copy-partial-3-u.c[414,427] [2022-10-17 17:02:22,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:22,737 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:02:22,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:22 WrapperNode [2022-10-17 17:02:22,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:22,740 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:22,740 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:02:22,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:02:22,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:22" (1/1) ... [2022-10-17 17:02:22,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:22" (1/1) ... [2022-10-17 17:02:22,781 INFO L138 Inliner]: procedures = 15, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 132 [2022-10-17 17:02:22,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:22,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:02:22,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:02:22,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:02:22,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:22" (1/1) ... [2022-10-17 17:02:22,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:22" (1/1) ... [2022-10-17 17:02:22,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:22" (1/1) ... [2022-10-17 17:02:22,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:22" (1/1) ... [2022-10-17 17:02:22,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:22" (1/1) ... [2022-10-17 17:02:22,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:22" (1/1) ... [2022-10-17 17:02:22,832 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:22" (1/1) ... [2022-10-17 17:02:22,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:22" (1/1) ... [2022-10-17 17:02:22,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:02:22,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:02:22,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:02:22,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:02:22,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:22" (1/1) ... [2022-10-17 17:02:22,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:22,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec532b9-61bd-489a-8814-80e64f6b5ce5/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:02:22,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec532b9-61bd-489a-8814-80e64f6b5ce5/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:02:22,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eec532b9-61bd-489a-8814-80e64f6b5ce5/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:02:22,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:02:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:02:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:02:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:02:22,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:02:22,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:02:22,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:02:22,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:02:23,002 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:02:23,004 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:02:23,224 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:02:23,295 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:02:23,295 INFO L300 CfgBuilder]: Removed 12 assume(true) statements. [2022-10-17 17:02:23,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:23 BoogieIcfgContainer [2022-10-17 17:02:23,299 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:02:23,300 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:02:23,300 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:02:23,312 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:02:23,312 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:23" (1/1) ... [2022-10-17 17:02:23,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:02:23,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:23,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 18 states and 30 transitions. [2022-10-17 17:02:23,382 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 30 transitions. [2022-10-17 17:02:23,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:02:23,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:23,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:23,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:02:23,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:23,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:23,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:23,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2022-10-17 17:02:23,857 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2022-10-17 17:02:23,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:02:23,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:23,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:23,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:02:23,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:24,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:24,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:24,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 20 states and 34 transitions. [2022-10-17 17:02:24,095 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 34 transitions. [2022-10-17 17:02:24,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:02:24,096 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:24,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:24,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:02:24,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:24,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:24,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:24,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 21 states and 37 transitions. [2022-10-17 17:02:24,254 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 37 transitions. [2022-10-17 17:02:24,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:02:24,257 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:24,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:24,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 17:02:24,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:24,345 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:24,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:24,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 22 states and 38 transitions. [2022-10-17 17:02:24,415 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 38 transitions. [2022-10-17 17:02:24,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:02:24,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:24,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:24,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:02:24,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:24,502 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:24,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:24,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 23 states and 39 transitions. [2022-10-17 17:02:24,577 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 39 transitions. [2022-10-17 17:02:24,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:02:24,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:24,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:24,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 17:02:24,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:24,674 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:24,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:24,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2022-10-17 17:02:24,755 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2022-10-17 17:02:24,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:02:24,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:24,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:24,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:02:24,803 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:24,855 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:24,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:24,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 25 states and 41 transitions. [2022-10-17 17:02:24,949 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 41 transitions. [2022-10-17 17:02:24,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:02:24,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:24,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:25,000 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 17:02:25,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:25,056 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:25,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:25,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2022-10-17 17:02:25,146 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2022-10-17 17:02:25,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:02:25,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:25,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:25,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 17:02:25,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:25,280 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:25,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:25,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2022-10-17 17:02:25,380 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2022-10-17 17:02:25,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:02:25,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:25,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:25,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 17:02:25,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:25,510 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:25,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:25,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2022-10-17 17:02:25,620 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2022-10-17 17:02:25,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:02:25,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:25,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:25,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:02:25,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:25,760 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:25,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:25,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 29 states and 45 transitions. [2022-10-17 17:02:25,886 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2022-10-17 17:02:25,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:02:25,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:25,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:25,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 17:02:25,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:26,041 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:26,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:26,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2022-10-17 17:02:26,152 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2022-10-17 17:02:26,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:02:26,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:26,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:26,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:26,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 17:02:26,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:26,320 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:26,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:26,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2022-10-17 17:02:26,438 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2022-10-17 17:02:26,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 17:02:26,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:26,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:26,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:26,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-17 17:02:26,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:26,605 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:26,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:26,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2022-10-17 17:02:26,723 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2022-10-17 17:02:26,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:02:26,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:26,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:26,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:26,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 17:02:26,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:26,901 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:27,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:27,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2022-10-17 17:02:27,030 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2022-10-17 17:02:27,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 17:02:27,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:27,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:27,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 17:02:27,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:27,230 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 2 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:27,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:27,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2022-10-17 17:02:27,373 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2022-10-17 17:02:27,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 17:02:27,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:27,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:27,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 17:02:27,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:27,596 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 2 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:27,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:27,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2022-10-17 17:02:27,732 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2022-10-17 17:02:27,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 17:02:27,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:27,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:27,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 17:02:27,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:27,925 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 2 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:28,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:28,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 36 states and 52 transitions. [2022-10-17 17:02:28,058 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 52 transitions. [2022-10-17 17:02:28,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 17:02:28,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:28,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:28,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 17:02:28,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:28,265 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 2 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:28,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:28,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2022-10-17 17:02:28,413 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2022-10-17 17:02:28,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 17:02:28,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:28,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:28,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-17 17:02:28,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:28,628 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 2 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:28,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:28,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 38 states and 54 transitions. [2022-10-17 17:02:28,773 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2022-10-17 17:02:28,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 17:02:28,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:28,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:28,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:28,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 17:02:28,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:28,989 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 2 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:29,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:29,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 39 states and 55 transitions. [2022-10-17 17:02:29,148 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2022-10-17 17:02:29,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 17:02:29,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:29,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:29,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:29,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-17 17:02:29,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:29,394 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 2 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:29,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:29,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 40 states and 56 transitions. [2022-10-17 17:02:29,557 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 56 transitions. [2022-10-17 17:02:29,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 17:02:29,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:29,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:29,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:29,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 17:02:29,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:29,801 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:29,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:29,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 41 states and 57 transitions. [2022-10-17 17:02:29,979 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2022-10-17 17:02:29,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 17:02:29,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:29,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:30,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:30,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 17:02:30,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:30,242 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 2 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:30,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:30,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 42 states and 58 transitions. [2022-10-17 17:02:30,415 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 58 transitions. [2022-10-17 17:02:30,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 17:02:30,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:30,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:30,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 17:02:30,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:30,689 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 2 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:30,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:30,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 43 states and 59 transitions. [2022-10-17 17:02:30,872 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2022-10-17 17:02:30,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 17:02:30,872 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:30,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:30,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 26 conjunts are in the unsatisfiable core [2022-10-17 17:02:30,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:31,164 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 2 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:31,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:31,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 44 states and 60 transitions. [2022-10-17 17:02:31,355 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 60 transitions. [2022-10-17 17:02:31,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 17:02:31,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:31,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:31,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 17:02:31,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:31,627 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 2 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:31,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:31,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 45 states and 61 transitions. [2022-10-17 17:02:31,838 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 61 transitions. [2022-10-17 17:02:31,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 17:02:31,838 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:31,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:31,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-17 17:02:31,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:32,087 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 2 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:32,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:32,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 46 states and 62 transitions. [2022-10-17 17:02:32,280 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2022-10-17 17:02:32,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 17:02:32,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:32,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:32,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 29 conjunts are in the unsatisfiable core [2022-10-17 17:02:32,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:32,576 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 2 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:32,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:32,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 63 transitions. [2022-10-17 17:02:32,785 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2022-10-17 17:02:32,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:02:32,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:32,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:32,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 30 conjunts are in the unsatisfiable core [2022-10-17 17:02:32,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:33,131 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 2 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:33,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:33,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 48 states and 64 transitions. [2022-10-17 17:02:33,342 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 64 transitions. [2022-10-17 17:02:33,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 17:02:33,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:33,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:33,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 31 conjunts are in the unsatisfiable core [2022-10-17 17:02:33,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:33,633 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 2 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:33,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:33,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2022-10-17 17:02:33,824 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2022-10-17 17:02:33,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 17:02:33,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:33,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:33,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 32 conjunts are in the unsatisfiable core [2022-10-17 17:02:33,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:34,110 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 2 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:34,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:34,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2022-10-17 17:02:34,349 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2022-10-17 17:02:34,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:02:34,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:34,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:34,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 33 conjunts are in the unsatisfiable core [2022-10-17 17:02:34,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:34,648 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 2 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:34,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:34,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 51 states and 67 transitions. [2022-10-17 17:02:34,823 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2022-10-17 17:02:34,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 17:02:34,824 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:34,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:34,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 34 conjunts are in the unsatisfiable core [2022-10-17 17:02:34,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:35,108 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 2 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:35,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:35,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 52 states and 68 transitions. [2022-10-17 17:02:35,328 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 68 transitions. [2022-10-17 17:02:35,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 17:02:35,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:35,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:35,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 35 conjunts are in the unsatisfiable core [2022-10-17 17:02:35,428 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:35,631 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 2 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:35,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:35,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 69 transitions. [2022-10-17 17:02:35,785 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2022-10-17 17:02:35,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 17:02:35,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:35,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:35,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:35,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 36 conjunts are in the unsatisfiable core [2022-10-17 17:02:35,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:36,083 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 2 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:36,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:36,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 54 states and 70 transitions. [2022-10-17 17:02:36,286 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2022-10-17 17:02:36,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 17:02:36,287 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:36,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:36,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:36,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 37 conjunts are in the unsatisfiable core [2022-10-17 17:02:36,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:36,601 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 2 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:36,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:36,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 55 states and 71 transitions. [2022-10-17 17:02:36,782 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 71 transitions. [2022-10-17 17:02:36,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 17:02:36,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:36,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:36,892 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 38 conjunts are in the unsatisfiable core [2022-10-17 17:02:36,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:37,127 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 2 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:37,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:37,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 56 states and 72 transitions. [2022-10-17 17:02:37,328 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 72 transitions. [2022-10-17 17:02:37,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 17:02:37,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:37,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:37,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 39 conjunts are in the unsatisfiable core [2022-10-17 17:02:37,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:37,645 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 2 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:37,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:37,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 57 states and 73 transitions. [2022-10-17 17:02:37,816 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2022-10-17 17:02:37,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 17:02:37,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:37,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:37,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 40 conjunts are in the unsatisfiable core [2022-10-17 17:02:37,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:38,125 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 2 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:38,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:38,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 58 states and 74 transitions. [2022-10-17 17:02:38,281 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 74 transitions. [2022-10-17 17:02:38,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 17:02:38,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:38,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:38,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 41 conjunts are in the unsatisfiable core [2022-10-17 17:02:38,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:38,609 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 2 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:38,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:38,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 59 states and 75 transitions. [2022-10-17 17:02:38,814 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2022-10-17 17:02:38,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 17:02:38,815 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:38,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:38,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 42 conjunts are in the unsatisfiable core [2022-10-17 17:02:38,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:39,143 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 2 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:39,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:39,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 60 states and 76 transitions. [2022-10-17 17:02:39,345 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2022-10-17 17:02:39,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 17:02:39,345 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:39,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:39,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 43 conjunts are in the unsatisfiable core [2022-10-17 17:02:39,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:39,699 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 2 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:39,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:39,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 61 states and 77 transitions. [2022-10-17 17:02:39,916 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 77 transitions. [2022-10-17 17:02:39,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 17:02:39,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:39,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:40,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 44 conjunts are in the unsatisfiable core [2022-10-17 17:02:40,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:40,226 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 2 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:40,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:40,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 62 states and 78 transitions. [2022-10-17 17:02:40,464 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 78 transitions. [2022-10-17 17:02:40,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 17:02:40,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:40,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:40,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 45 conjunts are in the unsatisfiable core [2022-10-17 17:02:40,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:40,831 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 2 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:41,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:41,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 63 states and 79 transitions. [2022-10-17 17:02:41,029 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2022-10-17 17:02:41,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 17:02:41,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:41,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:41,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 46 conjunts are in the unsatisfiable core [2022-10-17 17:02:41,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:41,382 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 2 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:41,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:41,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 64 states and 80 transitions. [2022-10-17 17:02:41,615 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 80 transitions. [2022-10-17 17:02:41,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 17:02:41,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:41,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:41,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 47 conjunts are in the unsatisfiable core [2022-10-17 17:02:41,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:41,993 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 2 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:42,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:42,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 65 states and 81 transitions. [2022-10-17 17:02:42,178 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 81 transitions. [2022-10-17 17:02:42,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 17:02:42,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:42,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:42,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 48 conjunts are in the unsatisfiable core [2022-10-17 17:02:42,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:42,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 2 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:42,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:42,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 66 states and 82 transitions. [2022-10-17 17:02:42,718 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 82 transitions. [2022-10-17 17:02:42,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 17:02:42,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:42,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:42,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 49 conjunts are in the unsatisfiable core [2022-10-17 17:02:42,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:43,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 2 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:43,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:43,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 67 states and 83 transitions. [2022-10-17 17:02:43,308 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 83 transitions. [2022-10-17 17:02:43,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 17:02:43,308 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:43,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:43,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 50 conjunts are in the unsatisfiable core [2022-10-17 17:02:43,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:43,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 2 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:43,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:43,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 68 states and 84 transitions. [2022-10-17 17:02:43,927 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 84 transitions. [2022-10-17 17:02:43,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 17:02:43,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:43,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:44,078 INFO L263 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 51 conjunts are in the unsatisfiable core [2022-10-17 17:02:44,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:44,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1178 backedges. 2 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:44,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:44,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 69 states and 85 transitions. [2022-10-17 17:02:44,578 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 85 transitions. [2022-10-17 17:02:44,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 17:02:44,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:44,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:44,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 52 conjunts are in the unsatisfiable core [2022-10-17 17:02:44,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:44,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 2 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:45,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:45,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 70 states and 86 transitions. [2022-10-17 17:02:45,154 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 86 transitions. [2022-10-17 17:02:45,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 17:02:45,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:45,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:45,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 53 conjunts are in the unsatisfiable core [2022-10-17 17:02:45,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:45,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 2 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:45,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:45,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 71 states and 87 transitions. [2022-10-17 17:02:45,744 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 87 transitions. [2022-10-17 17:02:45,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 17:02:45,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:45,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:45,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:45,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 54 conjunts are in the unsatisfiable core [2022-10-17 17:02:45,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:46,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1328 backedges. 2 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:46,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:46,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 72 states and 88 transitions. [2022-10-17 17:02:46,353 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 88 transitions. [2022-10-17 17:02:46,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-17 17:02:46,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:46,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:46,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 55 conjunts are in the unsatisfiable core [2022-10-17 17:02:46,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:46,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1380 backedges. 2 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:47,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:47,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 73 states and 89 transitions. [2022-10-17 17:02:47,005 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 89 transitions. [2022-10-17 17:02:47,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-17 17:02:47,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:47,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:47,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 56 conjunts are in the unsatisfiable core [2022-10-17 17:02:47,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:47,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1433 backedges. 2 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:47,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:47,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 74 states and 90 transitions. [2022-10-17 17:02:47,679 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 90 transitions. [2022-10-17 17:02:47,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 17:02:47,681 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:47,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:47,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 57 conjunts are in the unsatisfiable core [2022-10-17 17:02:47,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:48,033 INFO L134 CoverageAnalysis]: Checked inductivity of 1487 backedges. 2 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:48,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:48,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 75 states and 91 transitions. [2022-10-17 17:02:48,284 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 91 transitions. [2022-10-17 17:02:48,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 17:02:48,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:48,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:48,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:48,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 58 conjunts are in the unsatisfiable core [2022-10-17 17:02:48,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:48,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1542 backedges. 2 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:49,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:49,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 76 states and 92 transitions. [2022-10-17 17:02:49,090 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions. [2022-10-17 17:02:49,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 17:02:49,091 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:49,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:49,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 59 conjunts are in the unsatisfiable core [2022-10-17 17:02:49,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:49,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1598 backedges. 2 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:49,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:49,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 77 states and 93 transitions. [2022-10-17 17:02:49,724 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 93 transitions. [2022-10-17 17:02:49,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-17 17:02:49,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:49,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:49,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:49,853 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 60 conjunts are in the unsatisfiable core [2022-10-17 17:02:49,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:50,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 2 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:50,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:50,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 78 states and 94 transitions. [2022-10-17 17:02:50,369 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 94 transitions. [2022-10-17 17:02:50,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-17 17:02:50,369 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:50,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:50,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 61 conjunts are in the unsatisfiable core [2022-10-17 17:02:50,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:50,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1713 backedges. 2 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:50,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:50,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 79 states and 95 transitions. [2022-10-17 17:02:50,985 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 95 transitions. [2022-10-17 17:02:50,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-17 17:02:50,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:50,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:51,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 62 conjunts are in the unsatisfiable core [2022-10-17 17:02:51,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:51,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1772 backedges. 2 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:51,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:51,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 80 states and 96 transitions. [2022-10-17 17:02:51,637 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 96 transitions. [2022-10-17 17:02:51,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-17 17:02:51,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:51,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:51,763 INFO L263 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 63 conjunts are in the unsatisfiable core [2022-10-17 17:02:51,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:52,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1832 backedges. 2 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:52,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:52,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 81 states and 97 transitions. [2022-10-17 17:02:52,278 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 97 transitions. [2022-10-17 17:02:52,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 17:02:52,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:52,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:52,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 64 conjunts are in the unsatisfiable core [2022-10-17 17:02:52,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:52,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1893 backedges. 2 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:53,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:53,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 82 states and 98 transitions. [2022-10-17 17:02:53,088 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 98 transitions. [2022-10-17 17:02:53,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-17 17:02:53,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:53,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:53,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 673 conjuncts, 65 conjunts are in the unsatisfiable core [2022-10-17 17:02:53,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:02:53,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1955 backedges. 2 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.