./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e66fc1-e39a-41ef-8a9f-d8fead20b365/bin/ukojak-CydTVMUXoH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e66fc1-e39a-41ef-8a9f-d8fead20b365/bin/ukojak-CydTVMUXoH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e66fc1-e39a-41ef-8a9f-d8fead20b365/bin/ukojak-CydTVMUXoH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e66fc1-e39a-41ef-8a9f-d8fead20b365/bin/ukojak-CydTVMUXoH/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e66fc1-e39a-41ef-8a9f-d8fead20b365/bin/ukojak-CydTVMUXoH/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e66fc1-e39a-41ef-8a9f-d8fead20b365/bin/ukojak-CydTVMUXoH --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f22afdea3888c472e42c0b4bee511704d4ceb9c1e2d9f4db0ce5ffbd6de758f0 --- 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-e04fb08 [2022-11-16 06:27:24,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 06:27:24,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 06:27:24,568 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 06:27:24,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 06:27:24,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 06:27:24,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 06:27:24,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 06:27:24,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 06:27:24,589 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 06:27:24,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 06:27:24,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 06:27:24,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 06:27:24,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 06:27:24,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 06:27:24,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 06:27:24,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 06:27:24,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 06:27:24,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 06:27:24,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 06:27:24,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 06:27:24,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 06:27:24,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 06:27:24,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 06:27:24,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 06:27:24,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 06:27:24,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 06:27:24,625 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 06:27:24,625 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 06:27:24,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 06:27:24,627 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 06:27:24,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 06:27:24,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 06:27:24,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 06:27:24,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 06:27:24,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 06:27:24,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 06:27:24,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 06:27:24,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 06:27:24,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 06:27:24,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 06:27:24,637 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e66fc1-e39a-41ef-8a9f-d8fead20b365/bin/ukojak-CydTVMUXoH/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-11-16 06:27:24,679 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 06:27:24,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 06:27:24,681 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 06:27:24,681 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 06:27:24,681 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 06:27:24,681 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 06:27:24,682 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 06:27:24,682 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 06:27:24,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 06:27:24,682 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 06:27:24,683 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 06:27:24,683 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 06:27:24,684 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 06:27:24,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 06:27:24,684 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 06:27:24,684 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 06:27:24,684 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-16 06:27:24,684 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-16 06:27:24,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 06:27:24,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 06:27:24,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 06:27:24,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 06:27:24,685 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-16 06:27:24,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 06:27:24,686 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_87e66fc1-e39a-41ef-8a9f-d8fead20b365/bin/ukojak-CydTVMUXoH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e66fc1-e39a-41ef-8a9f-d8fead20b365/bin/ukojak-CydTVMUXoH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f22afdea3888c472e42c0b4bee511704d4ceb9c1e2d9f4db0ce5ffbd6de758f0 [2022-11-16 06:27:24,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 06:27:24,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 06:27:25,007 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 06:27:25,008 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 06:27:25,009 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 06:27:25,011 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e66fc1-e39a-41ef-8a9f-d8fead20b365/bin/ukojak-CydTVMUXoH/../../sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i [2022-11-16 06:27:25,123 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e66fc1-e39a-41ef-8a9f-d8fead20b365/bin/ukojak-CydTVMUXoH/data/9541a22f3/4e7a9a262a684455951320780f351976/FLAGe21f61f3d [2022-11-16 06:27:25,652 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 06:27:25,653 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e66fc1-e39a-41ef-8a9f-d8fead20b365/sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i [2022-11-16 06:27:25,673 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e66fc1-e39a-41ef-8a9f-d8fead20b365/bin/ukojak-CydTVMUXoH/data/9541a22f3/4e7a9a262a684455951320780f351976/FLAGe21f61f3d [2022-11-16 06:27:25,979 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e66fc1-e39a-41ef-8a9f-d8fead20b365/bin/ukojak-CydTVMUXoH/data/9541a22f3/4e7a9a262a684455951320780f351976 [2022-11-16 06:27:25,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 06:27:25,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 06:27:25,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 06:27:25,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 06:27:25,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 06:27:25,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:27:25" (1/1) ... [2022-11-16 06:27:25,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@749c6034 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:27:25, skipping insertion in model container [2022-11-16 06:27:25,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 06:27:25" (1/1) ... [2022-11-16 06:27:25,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 06:27:26,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 06:27:26,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 06:27:26,341 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 06:27:26,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 06:27:26,426 INFO L208 MainTranslator]: Completed translation [2022-11-16 06:27:26,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:27:26 WrapperNode [2022-11-16 06:27:26,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 06:27:26,428 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 06:27:26,428 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 06:27:26,428 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 06:27:26,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:27:26" (1/1) ... [2022-11-16 06:27:26,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:27:26" (1/1) ... [2022-11-16 06:27:26,484 INFO L138 Inliner]: procedures = 117, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2022-11-16 06:27:26,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 06:27:26,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 06:27:26,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 06:27:26,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 06:27:26,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:27:26" (1/1) ... [2022-11-16 06:27:26,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:27:26" (1/1) ... [2022-11-16 06:27:26,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:27:26" (1/1) ... [2022-11-16 06:27:26,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:27:26" (1/1) ... [2022-11-16 06:27:26,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:27:26" (1/1) ... [2022-11-16 06:27:26,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:27:26" (1/1) ... [2022-11-16 06:27:26,529 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:27:26" (1/1) ... [2022-11-16 06:27:26,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:27:26" (1/1) ... [2022-11-16 06:27:26,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 06:27:26,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 06:27:26,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 06:27:26,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 06:27:26,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 06:27:26" (1/1) ... [2022-11-16 06:27:26,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-16 06:27:26,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e66fc1-e39a-41ef-8a9f-d8fead20b365/bin/ukojak-CydTVMUXoH/z3 [2022-11-16 06:27:26,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e66fc1-e39a-41ef-8a9f-d8fead20b365/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-16 06:27:26,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e66fc1-e39a-41ef-8a9f-d8fead20b365/bin/ukojak-CydTVMUXoH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-16 06:27:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 06:27:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 06:27:26,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 06:27:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 06:27:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 06:27:26,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 06:27:26,778 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 06:27:26,780 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 06:27:27,037 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 06:27:27,083 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 06:27:27,083 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 06:27:27,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 06:27:27 BoogieIcfgContainer [2022-11-16 06:27:27,087 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 06:27:27,088 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-16 06:27:27,088 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-16 06:27:27,099 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-16 06:27:27,099 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 06:27:27" (1/1) ... [2022-11-16 06:27:27,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 06:27:27,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:27:27,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2022-11-16 06:27:27,167 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-11-16 06:27:27,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-16 06:27:27,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:27:27,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:27:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:27:27,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:27:27,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:27:27,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2022-11-16 06:27:27,411 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2022-11-16 06:27:27,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 06:27:27,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:27:27,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:27:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:27:27,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:27:27,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:27:27,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2022-11-16 06:27:27,626 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-11-16 06:27:27,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 06:27:27,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:27:27,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:27:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:27:27,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:27:27,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:27:27,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2022-11-16 06:27:27,921 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2022-11-16 06:27:27,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 06:27:27,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:27:27,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:27:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:27:27,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:27:27,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:27:27,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2022-11-16 06:27:27,995 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-11-16 06:27:27,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 06:27:27,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:27:27,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:27:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:27:28,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:27:28,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:27:28,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2022-11-16 06:27:28,950 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-11-16 06:27:28,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-16 06:27:28,950 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:27:28,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:27:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:27:29,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:27:29,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:27:29,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2022-11-16 06:27:29,972 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2022-11-16 06:27:29,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-16 06:27:29,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:27:29,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:27:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:27:30,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:27:31,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:27:31,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2022-11-16 06:27:31,166 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2022-11-16 06:27:31,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-16 06:27:31,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:27:31,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:27:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:27:31,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:27:31,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:27:31,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2022-11-16 06:27:31,325 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2022-11-16 06:27:31,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-16 06:27:31,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:27:31,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:27:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:27:31,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:27:31,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:27:31,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2022-11-16 06:27:31,880 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2022-11-16 06:27:31,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 06:27:31,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:27:31,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:27:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:27:32,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 06:27:33,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:27:33,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2022-11-16 06:27:33,614 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2022-11-16 06:27:33,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 06:27:33,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:27:33,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:27:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:27:34,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:27:37,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:27:37,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2022-11-16 06:27:37,199 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2022-11-16 06:27:37,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 06:27:37,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:27:37,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:27:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:27:37,721 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:27:38,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:27:38,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2022-11-16 06:27:38,591 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2022-11-16 06:27:38,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 06:27:38,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:27:38,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:27:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:27:39,103 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:27:39,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:27:39,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2022-11-16 06:27:39,998 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2022-11-16 06:27:39,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-16 06:27:39,999 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:27:39,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:27:40,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:27:40,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 06:27:40,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:27:40,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2022-11-16 06:27:40,402 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2022-11-16 06:27:40,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-16 06:27:40,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:27:40,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:27:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:27:41,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:27:44,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:27:44,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2022-11-16 06:27:44,203 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2022-11-16 06:27:44,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-16 06:27:44,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:27:44,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:27:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:27:44,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 06:27:45,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:27:45,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2022-11-16 06:27:45,094 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2022-11-16 06:27:45,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-16 06:27:45,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:27:45,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:27:45,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:27:45,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:27:47,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:27:47,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2022-11-16 06:27:47,955 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2022-11-16 06:27:47,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 06:27:47,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:27:47,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:27:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:27:48,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 06:27:52,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:27:52,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 38 states and 59 transitions. [2022-11-16 06:27:52,230 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 59 transitions. [2022-11-16 06:27:52,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-16 06:27:52,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:27:52,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:27:52,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:27:53,354 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:27:57,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:27:57,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2022-11-16 06:27:57,348 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2022-11-16 06:27:57,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-16 06:27:57,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:27:57,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:27:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:27:58,477 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:28:01,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:28:01,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 39 states and 59 transitions. [2022-11-16 06:28:01,054 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 59 transitions. [2022-11-16 06:28:01,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 06:28:01,054 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:28:01,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:28:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:28:01,651 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 06:28:07,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:28:07,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2022-11-16 06:28:07,440 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2022-11-16 06:28:07,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 06:28:07,441 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:28:07,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:28:07,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:28:07,471 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-16 06:28:08,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:28:08,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 40 states and 59 transitions. [2022-11-16 06:28:08,819 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 59 transitions. [2022-11-16 06:28:08,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 06:28:08,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:28:08,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:28:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:28:10,176 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:28:17,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:28:17,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2022-11-16 06:28:17,424 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2022-11-16 06:28:17,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-16 06:28:17,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:28:17,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:28:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:28:17,476 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 06:28:18,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:28:18,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 42 states and 61 transitions. [2022-11-16 06:28:18,188 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 61 transitions. [2022-11-16 06:28:18,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-16 06:28:18,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:28:18,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:28:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:28:20,539 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:28:34,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:28:34,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 50 states and 76 transitions. [2022-11-16 06:28:34,141 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2022-11-16 06:28:34,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 06:28:34,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:28:34,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:28:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:28:34,254 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-16 06:28:39,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:28:39,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 55 states and 85 transitions. [2022-11-16 06:28:39,387 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 85 transitions. [2022-11-16 06:28:39,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-16 06:28:39,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:28:39,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:28:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:28:41,011 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:28:52,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:28:52,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 61 states and 96 transitions. [2022-11-16 06:28:52,927 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 96 transitions. [2022-11-16 06:28:52,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 06:28:52,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:28:52,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:28:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:28:53,040 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 06:28:55,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:28:55,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 63 states and 99 transitions. [2022-11-16 06:28:55,480 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 99 transitions. [2022-11-16 06:28:55,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 06:28:55,481 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:28:55,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:28:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:28:57,789 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:29:16,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:29:16,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 69 states and 114 transitions. [2022-11-16 06:29:16,564 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 114 transitions. [2022-11-16 06:29:16,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 06:29:16,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:29:16,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:29:16,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:29:16,602 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-16 06:29:17,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:29:17,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 69 states and 113 transitions. [2022-11-16 06:29:17,189 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 113 transitions. [2022-11-16 06:29:17,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 06:29:17,190 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:29:17,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:29:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:29:20,663 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:29:44,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:29:44,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 80 states and 135 transitions. [2022-11-16 06:29:44,782 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 135 transitions. [2022-11-16 06:29:44,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-16 06:29:44,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:29:44,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:29:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:29:44,899 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-16 06:29:48,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:29:48,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 84 states and 141 transitions. [2022-11-16 06:29:48,758 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 141 transitions. [2022-11-16 06:29:48,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-16 06:29:48,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:29:48,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:29:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:29:51,697 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:30:13,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:30:13,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 90 states and 154 transitions. [2022-11-16 06:30:13,662 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 154 transitions. [2022-11-16 06:30:13,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-16 06:30:13,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:30:13,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:30:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:30:13,730 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-16 06:30:15,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:30:15,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 89 states and 152 transitions. [2022-11-16 06:30:15,263 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 152 transitions. [2022-11-16 06:30:15,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-16 06:30:15,263 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:30:15,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:30:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:30:20,362 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:30:45,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:30:45,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 95 states and 164 transitions. [2022-11-16 06:30:45,612 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 164 transitions. [2022-11-16 06:30:45,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-16 06:30:45,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:30:45,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:30:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:30:45,769 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-16 06:30:51,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:30:51,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 99 states and 172 transitions. [2022-11-16 06:30:51,089 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 172 transitions. [2022-11-16 06:30:51,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-16 06:30:51,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:30:51,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:30:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:30:55,329 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:31:23,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:31:23,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 111 states and 192 transitions. [2022-11-16 06:31:23,988 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 192 transitions. [2022-11-16 06:31:23,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-16 06:31:23,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:31:23,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:31:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:31:28,788 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 12 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:31:58,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:31:58,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 117 states and 203 transitions. [2022-11-16 06:31:58,978 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 203 transitions. [2022-11-16 06:31:58,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-16 06:31:58,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:31:58,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:31:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:32:04,984 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:32:38,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:32:38,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 123 states and 213 transitions. [2022-11-16 06:32:38,406 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 213 transitions. [2022-11-16 06:32:38,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-16 06:32:38,406 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:32:38,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:32:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:32:43,787 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 5 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:33:17,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:33:17,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 135 states and 234 transitions. [2022-11-16 06:33:17,902 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 234 transitions. [2022-11-16 06:33:17,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-16 06:33:17,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:33:17,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:33:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:33:23,953 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 20 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:34:01,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:34:01,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 141 states and 245 transitions. [2022-11-16 06:34:01,276 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 245 transitions. [2022-11-16 06:34:01,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-16 06:34:01,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:34:01,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:34:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:34:01,504 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-16 06:34:06,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:34:06,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 144 states and 251 transitions. [2022-11-16 06:34:06,474 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 251 transitions. [2022-11-16 06:34:06,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-16 06:34:06,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:34:06,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:34:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:34:13,744 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 16 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:34:54,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:34:54,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 150 states and 261 transitions. [2022-11-16 06:34:54,357 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 261 transitions. [2022-11-16 06:34:54,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-16 06:34:54,358 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:34:54,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:34:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:35:00,891 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 6 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:35:42,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:35:42,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 162 states and 283 transitions. [2022-11-16 06:35:42,374 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 283 transitions. [2022-11-16 06:35:42,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-16 06:35:42,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:35:42,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:35:42,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:35:50,852 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 30 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:36:37,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:36:37,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 168 states and 294 transitions. [2022-11-16 06:36:37,465 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 294 transitions. [2022-11-16 06:36:37,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-16 06:36:37,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:36:37,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:36:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:36:47,268 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 25 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:37:37,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:37:37,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 174 states and 304 transitions. [2022-11-16 06:37:37,601 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 304 transitions. [2022-11-16 06:37:37,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-16 06:37:37,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:37:37,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:37:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:37:45,706 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 7 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:38:35,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:38:35,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 186 states and 327 transitions. [2022-11-16 06:38:35,067 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 327 transitions. [2022-11-16 06:38:35,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-16 06:38:35,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:38:35,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:38:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:38:46,075 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 42 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:39:42,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:39:42,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 192 states and 338 transitions. [2022-11-16 06:39:42,171 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 338 transitions. [2022-11-16 06:39:42,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-16 06:39:42,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:39:42,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:39:42,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:39:54,338 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 36 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 06:40:55,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-16 06:40:55,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 198 states and 348 transitions. [2022-11-16 06:40:55,223 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 348 transitions. [2022-11-16 06:40:55,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-16 06:40:55,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-16 06:40:55,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 06:40:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 06:41:04,384 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 8 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.