./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 2329fc70 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_ab462b02-bfe9-4f2e-b7d8-2687df9be146/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab462b02-bfe9-4f2e-b7d8-2687df9be146/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab462b02-bfe9-4f2e-b7d8-2687df9be146/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab462b02-bfe9-4f2e-b7d8-2687df9be146/bin/ukojak-rkRKPMF4O4/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_ab462b02-bfe9-4f2e-b7d8-2687df9be146/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab462b02-bfe9-4f2e-b7d8-2687df9be146/bin/ukojak-rkRKPMF4O4 --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-2329fc7 [2022-12-15 02:35:44,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:35:44,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:35:44,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:35:44,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:35:44,345 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:35:44,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:35:44,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:35:44,348 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:35:44,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:35:44,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:35:44,350 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:35:44,350 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:35:44,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:35:44,351 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:35:44,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:35:44,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:35:44,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:35:44,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:35:44,356 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:35:44,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:35:44,358 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:35:44,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:35:44,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:35:44,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:35:44,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:35:44,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:35:44,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:35:44,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:35:44,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:35:44,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:35:44,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:35:44,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:35:44,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:35:44,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:35:44,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:35:44,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:35:44,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:35:44,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:35:44,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:35:44,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:35:44,368 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab462b02-bfe9-4f2e-b7d8-2687df9be146/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-12-15 02:35:44,381 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:35:44,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:35:44,382 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:35:44,382 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:35:44,382 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:35:44,382 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 02:35:44,382 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 02:35:44,382 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:35:44,383 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 02:35:44,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:35:44,383 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-15 02:35:44,383 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-15 02:35:44,383 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-15 02:35:44,383 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:35:44,384 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 02:35:44,384 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:35:44,384 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:35:44,384 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:35:44,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:35:44,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:35:44,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:35:44,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:35:44,385 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:35:44,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:35:44,385 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_ab462b02-bfe9-4f2e-b7d8-2687df9be146/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab462b02-bfe9-4f2e-b7d8-2687df9be146/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f22afdea3888c472e42c0b4bee511704d4ceb9c1e2d9f4db0ce5ffbd6de758f0 [2022-12-15 02:35:44,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:35:44,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:35:44,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:35:44,584 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:35:44,584 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:35:44,586 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab462b02-bfe9-4f2e-b7d8-2687df9be146/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i [2022-12-15 02:35:47,191 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:35:47,404 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:35:47,404 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab462b02-bfe9-4f2e-b7d8-2687df9be146/sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i [2022-12-15 02:35:47,413 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab462b02-bfe9-4f2e-b7d8-2687df9be146/bin/ukojak-rkRKPMF4O4/data/c249db430/6ca163368e0c4c68bc69233998f36691/FLAG2468c5e9c [2022-12-15 02:35:47,423 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab462b02-bfe9-4f2e-b7d8-2687df9be146/bin/ukojak-rkRKPMF4O4/data/c249db430/6ca163368e0c4c68bc69233998f36691 [2022-12-15 02:35:47,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:35:47,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:35:47,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:35:47,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:35:47,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:35:47,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:35:47" (1/1) ... [2022-12-15 02:35:47,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ca28afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:35:47, skipping insertion in model container [2022-12-15 02:35:47,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:35:47" (1/1) ... [2022-12-15 02:35:47,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:35:47,457 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:35:47,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:35:47,640 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:35:47,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:35:47,681 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:35:47,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:35:47 WrapperNode [2022-12-15 02:35:47,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:35:47,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:35:47,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:35:47,683 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:35:47,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:35:47" (1/1) ... [2022-12-15 02:35:47,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:35:47" (1/1) ... [2022-12-15 02:35:47,710 INFO L138 Inliner]: procedures = 117, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2022-12-15 02:35:47,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:35:47,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:35:47,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:35:47,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:35:47,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:35:47" (1/1) ... [2022-12-15 02:35:47,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:35:47" (1/1) ... [2022-12-15 02:35:47,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:35:47" (1/1) ... [2022-12-15 02:35:47,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:35:47" (1/1) ... [2022-12-15 02:35:47,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:35:47" (1/1) ... [2022-12-15 02:35:47,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:35:47" (1/1) ... [2022-12-15 02:35:47,726 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:35:47" (1/1) ... [2022-12-15 02:35:47,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:35:47" (1/1) ... [2022-12-15 02:35:47,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:35:47,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:35:47,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:35:47,729 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:35:47,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:35:47" (1/1) ... [2022-12-15 02:35:47,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:35:47,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab462b02-bfe9-4f2e-b7d8-2687df9be146/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:35:47,753 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab462b02-bfe9-4f2e-b7d8-2687df9be146/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:35:47,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab462b02-bfe9-4f2e-b7d8-2687df9be146/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:35:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 02:35:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 02:35:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 02:35:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 02:35:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:35:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:35:47,868 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:35:47,870 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:35:47,976 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:35:48,009 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:35:48,010 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 02:35:48,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:35:48 BoogieIcfgContainer [2022-12-15 02:35:48,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:35:48,012 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:35:48,012 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:35:48,019 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:35:48,020 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:35:48" (1/1) ... [2022-12-15 02:35:48,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 02:35:48,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:35:48,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2022-12-15 02:35:48,065 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-12-15 02:35:48,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-15 02:35:48,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:35:48,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:35:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:35:48,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:35:48,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:35:48,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2022-12-15 02:35:48,204 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2022-12-15 02:35:48,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 02:35:48,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:35:48,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:35:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:35:48,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:35:48,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:35:48,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2022-12-15 02:35:48,339 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-12-15 02:35:48,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 02:35:48,340 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:35:48,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:35:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:35:48,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:35:48,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:35:48,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2022-12-15 02:35:48,579 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2022-12-15 02:35:48,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 02:35:48,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:35:48,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:35:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:35:48,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:35:48,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:35:48,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2022-12-15 02:35:48,635 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-12-15 02:35:48,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-15 02:35:48,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:35:48,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:35:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:35:48,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:35:49,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:35:49,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2022-12-15 02:35:49,207 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2022-12-15 02:35:49,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 02:35:49,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:35:49,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:35:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:35:49,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:35:49,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:35:49,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2022-12-15 02:35:49,817 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2022-12-15 02:35:49,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-12-15 02:35:49,817 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:35:49,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:35:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:35:50,035 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:35:50,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:35:50,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2022-12-15 02:35:50,611 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2022-12-15 02:35:50,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 02:35:50,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:35:50,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:35:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:35:50,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:35:50,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:35:50,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2022-12-15 02:35:50,728 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2022-12-15 02:35:50,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-15 02:35:50,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:35:50,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:35:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:35:50,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:35:51,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:35:51,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2022-12-15 02:35:51,099 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2022-12-15 02:35:51,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 02:35:51,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:35:51,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:35:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:35:51,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:35:52,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:35:52,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2022-12-15 02:35:52,131 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2022-12-15 02:35:52,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 02:35:52,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:35:52,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:35:52,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:35:52,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:35:54,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:35:54,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2022-12-15 02:35:54,413 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2022-12-15 02:35:54,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 02:35:54,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:35:54,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:35:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:35:54,757 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:35:55,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:35:55,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 38 states and 62 transitions. [2022-12-15 02:35:55,277 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2022-12-15 02:35:55,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 02:35:55,277 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:35:55,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:35:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:35:55,629 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:35:56,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:35:56,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 41 transitions. [2022-12-15 02:35:56,205 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 41 transitions. [2022-12-15 02:35:56,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 02:35:56,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:35:56,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:35:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:35:56,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:35:56,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:35:56,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2022-12-15 02:35:56,490 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2022-12-15 02:35:56,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 02:35:56,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:35:56,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:35:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:35:57,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:35:58,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:35:58,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2022-12-15 02:35:58,975 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2022-12-15 02:35:58,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 02:35:58,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:35:58,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:35:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:35:59,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:35:59,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:35:59,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2022-12-15 02:35:59,613 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2022-12-15 02:35:59,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 02:35:59,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:35:59,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:35:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:36:00,082 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:36:01,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:36:01,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2022-12-15 02:36:01,364 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2022-12-15 02:36:01,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 02:36:01,364 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:36:01,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:36:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:36:01,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-15 02:36:04,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:36:04,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 38 states and 59 transitions. [2022-12-15 02:36:04,164 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 59 transitions. [2022-12-15 02:36:04,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 02:36:04,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:36:04,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:36:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:36:04,909 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:36:07,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:36:07,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 65 transitions. [2022-12-15 02:36:07,637 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 65 transitions. [2022-12-15 02:36:07,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 02:36:07,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:36:07,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:36:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:36:08,458 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:36:10,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:36:10,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 39 states and 59 transitions. [2022-12-15 02:36:10,040 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 59 transitions. [2022-12-15 02:36:10,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 02:36:10,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:36:10,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:36:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:36:10,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 02:36:14,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:36:14,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2022-12-15 02:36:14,456 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2022-12-15 02:36:14,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 02:36:14,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:36:14,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:36:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:36:15,444 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:36:20,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:36:20,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 44 states and 67 transitions. [2022-12-15 02:36:20,433 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 67 transitions. [2022-12-15 02:36:20,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 02:36:20,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:36:20,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:36:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:36:20,451 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-15 02:36:21,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:36:21,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 45 states and 69 transitions. [2022-12-15 02:36:21,239 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 69 transitions. [2022-12-15 02:36:21,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 02:36:21,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:36:21,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:36:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:36:21,278 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 02:36:21,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:36:21,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 42 states and 63 transitions. [2022-12-15 02:36:21,873 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 63 transitions. [2022-12-15 02:36:21,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 02:36:21,874 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:36:21,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:36:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:36:23,552 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:36:32,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:36:32,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 50 states and 78 transitions. [2022-12-15 02:36:32,668 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 78 transitions. [2022-12-15 02:36:32,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-15 02:36:32,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:36:32,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:36:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:36:32,731 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-15 02:36:36,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:36:36,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 55 states and 87 transitions. [2022-12-15 02:36:36,295 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 87 transitions. [2022-12-15 02:36:36,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 02:36:36,296 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:36:36,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:36:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:36:37,484 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:36:45,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:36:45,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 61 states and 98 transitions. [2022-12-15 02:36:45,541 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 98 transitions. [2022-12-15 02:36:45,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 02:36:45,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:36:45,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:36:45,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:36:45,606 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-15 02:36:47,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:36:47,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 63 states and 101 transitions. [2022-12-15 02:36:47,554 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 101 transitions. [2022-12-15 02:36:47,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 02:36:47,554 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:36:47,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:36:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:36:47,575 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-15 02:36:48,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:36:48,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 63 states and 100 transitions. [2022-12-15 02:36:48,335 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 100 transitions. [2022-12-15 02:36:48,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 02:36:48,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:36:48,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:36:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:36:49,856 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:37:01,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:37:01,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 69 states and 114 transitions. [2022-12-15 02:37:01,858 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 114 transitions. [2022-12-15 02:37:01,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 02:37:01,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:37:01,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:37:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:37:04,086 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:37:20,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:37:20,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 80 states and 136 transitions. [2022-12-15 02:37:20,844 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 136 transitions. [2022-12-15 02:37:20,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 02:37:20,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:37:20,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:37:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:37:20,928 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-15 02:37:23,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:37:23,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 84 states and 142 transitions. [2022-12-15 02:37:23,712 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 142 transitions. [2022-12-15 02:37:23,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 02:37:23,712 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:37:23,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:37:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:37:25,408 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:37:41,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:37:41,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 90 states and 155 transitions. [2022-12-15 02:37:41,080 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 155 transitions. [2022-12-15 02:37:41,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 02:37:41,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:37:41,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:37:41,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:37:41,108 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-15 02:37:42,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:37:42,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 91 states and 156 transitions. [2022-12-15 02:37:42,081 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 156 transitions. [2022-12-15 02:37:42,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 02:37:42,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:37:42,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:37:42,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:37:42,175 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-15 02:37:45,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:37:45,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 95 states and 164 transitions. [2022-12-15 02:37:45,715 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 164 transitions. [2022-12-15 02:37:45,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 02:37:45,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:37:45,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:37:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:37:48,097 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:38:06,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:38:06,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 101 states and 174 transitions. [2022-12-15 02:38:06,217 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 174 transitions. [2022-12-15 02:38:06,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 02:38:06,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:38:06,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:38:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:38:09,083 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:38:29,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:38:29,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 113 states and 194 transitions. [2022-12-15 02:38:29,912 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 194 transitions. [2022-12-15 02:38:29,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-12-15 02:38:29,912 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:38:29,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:38:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:38:32,922 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 12 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:38:55,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:38:55,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 119 states and 205 transitions. [2022-12-15 02:38:55,083 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 205 transitions. [2022-12-15 02:38:55,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-12-15 02:38:55,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:38:55,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:38:55,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:38:58,961 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 9 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:39:23,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:39:23,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 125 states and 215 transitions. [2022-12-15 02:39:23,314 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 215 transitions. [2022-12-15 02:39:23,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-15 02:39:23,314 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:39:23,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:39:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:39:27,542 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 5 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:39:53,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:39:53,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 137 states and 236 transitions. [2022-12-15 02:39:53,007 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 236 transitions. [2022-12-15 02:39:53,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-15 02:39:53,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:39:53,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:39:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:39:57,880 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 20 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:40:26,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:40:26,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 143 states and 247 transitions. [2022-12-15 02:40:26,458 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 247 transitions. [2022-12-15 02:40:26,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-15 02:40:26,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:40:26,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:40:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:40:31,596 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 16 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:41:03,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:41:03,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 149 states and 257 transitions. [2022-12-15 02:41:03,015 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 257 transitions. [2022-12-15 02:41:03,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-15 02:41:03,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:41:03,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:41:03,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:41:06,973 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 6 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:41:39,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:41:39,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 161 states and 279 transitions. [2022-12-15 02:41:39,707 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 279 transitions. [2022-12-15 02:41:39,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-12-15 02:41:39,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:41:39,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:41:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:41:44,850 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 30 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:42:19,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:42:19,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 167 states and 290 transitions. [2022-12-15 02:42:19,364 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 290 transitions. [2022-12-15 02:42:19,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-15 02:42:19,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:42:19,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:42:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:42:25,771 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 25 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:43:04,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:43:04,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 173 states and 300 transitions. [2022-12-15 02:43:04,031 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 300 transitions. [2022-12-15 02:43:04,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-15 02:43:04,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:43:04,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:43:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:43:09,266 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 7 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:43:46,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:43:46,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 185 states and 323 transitions. [2022-12-15 02:43:46,343 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 323 transitions. [2022-12-15 02:43:46,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-15 02:43:46,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:43:46,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:43:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:43:52,318 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 42 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:44:32,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:44:32,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 191 states and 334 transitions. [2022-12-15 02:44:32,046 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 334 transitions. [2022-12-15 02:44:32,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-15 02:44:32,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:44:32,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:44:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:44:40,232 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 36 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:45:24,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:45:24,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 197 states and 344 transitions. [2022-12-15 02:45:24,742 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 344 transitions. [2022-12-15 02:45:24,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-15 02:45:24,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:45:24,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:45:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:45:30,712 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 8 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:46:15,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:46:15,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 209 states and 368 transitions. [2022-12-15 02:46:15,301 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 368 transitions. [2022-12-15 02:46:15,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-15 02:46:15,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:46:15,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:46:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:46:23,920 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 56 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:47:12,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:47:12,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 215 states and 379 transitions. [2022-12-15 02:47:12,589 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 379 transitions. [2022-12-15 02:47:12,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-15 02:47:12,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:47:12,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:47:12,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:47:22,884 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 49 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:48:15,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:48:15,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 221 states and 389 transitions. [2022-12-15 02:48:15,013 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 389 transitions. [2022-12-15 02:48:15,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-12-15 02:48:15,013 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:48:15,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:48:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:48:22,288 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 9 proven. 189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:49:10,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:49:10,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 233 states and 414 transitions. [2022-12-15 02:49:10,832 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 414 transitions. [2022-12-15 02:49:10,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-12-15 02:49:10,833 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:49:10,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:49:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:49:27,081 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 72 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.