./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-memory-alloca/java_Continue1-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_171473d8-42a7-404f-b54e-0eaa6e53ef1b/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171473d8-42a7-404f-b54e-0eaa6e53ef1b/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_171473d8-42a7-404f-b54e-0eaa6e53ef1b/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171473d8-42a7-404f-b54e-0eaa6e53ef1b/bin/ukojak-rkRKPMF4O4/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-memory-alloca/java_Continue1-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171473d8-42a7-404f-b54e-0eaa6e53ef1b/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171473d8-42a7-404f-b54e-0eaa6e53ef1b/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 64bit --witnessprinter.graph.data.programhash 337340cdf38da99928295b0c576766fb8f09c8634f9763511165b0f7240edd89 --- 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 [2022-12-14 21:17:24,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 21:17:24,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 21:17:24,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 21:17:24,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 21:17:24,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 21:17:24,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 21:17:24,406 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 21:17:24,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 21:17:24,408 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 21:17:24,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 21:17:24,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 21:17:24,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 21:17:24,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 21:17:24,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 21:17:24,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 21:17:24,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 21:17:24,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 21:17:24,414 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 21:17:24,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 21:17:24,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 21:17:24,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 21:17:24,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 21:17:24,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 21:17:24,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 21:17:24,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 21:17:24,422 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 21:17:24,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 21:17:24,423 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 21:17:24,424 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 21:17:24,424 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 21:17:24,425 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 21:17:24,425 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 21:17:24,426 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 21:17:24,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 21:17:24,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 21:17:24,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 21:17:24,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 21:17:24,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 21:17:24,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 21:17:24,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 21:17:24,430 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171473d8-42a7-404f-b54e-0eaa6e53ef1b/bin/ukojak-rkRKPMF4O4/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-12-14 21:17:24,444 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 21:17:24,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 21:17:24,445 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 21:17:24,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 21:17:24,446 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 21:17:24,446 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 21:17:24,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 21:17:24,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 21:17:24,446 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-12-14 21:17:24,446 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-12-14 21:17:24,447 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-12-14 21:17:24,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 21:17:24,447 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 21:17:24,447 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 21:17:24,447 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 21:17:24,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 21:17:24,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:17:24,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 21:17:24,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 21:17:24,448 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 21:17:24,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 21:17:24,448 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_171473d8-42a7-404f-b54e-0eaa6e53ef1b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171473d8-42a7-404f-b54e-0eaa6e53ef1b/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 337340cdf38da99928295b0c576766fb8f09c8634f9763511165b0f7240edd89 [2022-12-14 21:17:24,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 21:17:24,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 21:17:24,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 21:17:24,655 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 21:17:24,656 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 21:17:24,656 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171473d8-42a7-404f-b54e-0eaa6e53ef1b/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/termination-memory-alloca/java_Continue1-alloca.i [2022-12-14 21:17:27,316 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 21:17:27,510 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 21:17:27,511 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171473d8-42a7-404f-b54e-0eaa6e53ef1b/sv-benchmarks/c/termination-memory-alloca/java_Continue1-alloca.i [2022-12-14 21:17:27,521 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171473d8-42a7-404f-b54e-0eaa6e53ef1b/bin/ukojak-rkRKPMF4O4/data/7a35f6518/45e4e83fe1354ef6bda5e0d200475698/FLAGbabc3a684 [2022-12-14 21:17:27,533 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171473d8-42a7-404f-b54e-0eaa6e53ef1b/bin/ukojak-rkRKPMF4O4/data/7a35f6518/45e4e83fe1354ef6bda5e0d200475698 [2022-12-14 21:17:27,535 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 21:17:27,537 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 21:17:27,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 21:17:27,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 21:17:27,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 21:17:27,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:17:27" (1/1) ... [2022-12-14 21:17:27,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@244a7761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:17:27, skipping insertion in model container [2022-12-14 21:17:27,543 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:17:27" (1/1) ... [2022-12-14 21:17:27,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 21:17:27,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 21:17:27,790 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:17:27,800 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 21:17:27,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 21:17:27,848 INFO L208 MainTranslator]: Completed translation [2022-12-14 21:17:27,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:17:27 WrapperNode [2022-12-14 21:17:27,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 21:17:27,850 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 21:17:27,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 21:17:27,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 21:17:27,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:17:27" (1/1) ... [2022-12-14 21:17:27,866 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:17:27" (1/1) ... [2022-12-14 21:17:27,880 INFO L138 Inliner]: procedures = 109, calls = 17, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2022-12-14 21:17:27,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 21:17:27,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 21:17:27,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 21:17:27,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 21:17:27,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:17:27" (1/1) ... [2022-12-14 21:17:27,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:17:27" (1/1) ... [2022-12-14 21:17:27,890 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:17:27" (1/1) ... [2022-12-14 21:17:27,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:17:27" (1/1) ... [2022-12-14 21:17:27,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:17:27" (1/1) ... [2022-12-14 21:17:27,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:17:27" (1/1) ... [2022-12-14 21:17:27,898 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:17:27" (1/1) ... [2022-12-14 21:17:27,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:17:27" (1/1) ... [2022-12-14 21:17:27,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 21:17:27,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 21:17:27,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 21:17:27,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 21:17:27,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:17:27" (1/1) ... [2022-12-14 21:17:27,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 21:17:27,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171473d8-42a7-404f-b54e-0eaa6e53ef1b/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 21:17:27,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171473d8-42a7-404f-b54e-0eaa6e53ef1b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 21:17:27,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171473d8-42a7-404f-b54e-0eaa6e53ef1b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 21:17:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 21:17:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 21:17:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 21:17:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 21:17:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 21:17:27,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 21:17:28,039 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 21:17:28,040 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 21:17:28,178 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 21:17:28,202 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 21:17:28,202 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 21:17:28,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:17:28 BoogieIcfgContainer [2022-12-14 21:17:28,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 21:17:28,205 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 21:17:28,205 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 21:17:28,215 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 21:17:28,215 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:17:28" (1/1) ... [2022-12-14 21:17:28,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 21:17:28,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:28,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 34 states and 36 transitions. [2022-12-14 21:17:28,280 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2022-12-14 21:17:28,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 21:17:28,282 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:28,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:28,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:17:28,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:28,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 33 states and 35 transitions. [2022-12-14 21:17:28,529 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2022-12-14 21:17:28,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-12-14 21:17:28,529 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:28,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:28,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:28,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:17:28,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:28,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 32 states and 34 transitions. [2022-12-14 21:17:28,715 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2022-12-14 21:17:28,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 21:17:28,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:28,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:28,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:17:28,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:28,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 31 states and 33 transitions. [2022-12-14 21:17:28,860 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2022-12-14 21:17:28,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-12-14 21:17:28,861 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:28,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:28,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:17:29,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:29,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 30 states and 32 transitions. [2022-12-14 21:17:29,090 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2022-12-14 21:17:29,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 21:17:29,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:29,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:29,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:17:29,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:29,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 32 states and 35 transitions. [2022-12-14 21:17:29,186 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2022-12-14 21:17:29,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 21:17:29,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:29,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:29,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:17:29,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:29,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 34 states and 38 transitions. [2022-12-14 21:17:29,454 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2022-12-14 21:17:29,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 21:17:29,454 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:29,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:29,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:17:29,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:29,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 37 states and 43 transitions. [2022-12-14 21:17:29,567 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2022-12-14 21:17:29,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 21:17:29,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:29,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:29,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:17:29,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:29,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 41 states and 50 transitions. [2022-12-14 21:17:29,883 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2022-12-14 21:17:29,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 21:17:29,883 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:29,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:29,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:17:29,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:29,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 42 states and 53 transitions. [2022-12-14 21:17:29,989 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2022-12-14 21:17:29,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 21:17:29,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:29,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:30,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:17:30,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:30,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 43 states and 55 transitions. [2022-12-14 21:17:30,080 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2022-12-14 21:17:30,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 21:17:30,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:30,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:30,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:17:30,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:30,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 46 states and 61 transitions. [2022-12-14 21:17:30,746 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2022-12-14 21:17:30,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 21:17:30,746 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:30,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:30,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:17:30,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:30,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 45 states and 60 transitions. [2022-12-14 21:17:30,774 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2022-12-14 21:17:30,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 21:17:30,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:30,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:30,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:30,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:17:30,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:30,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 44 states and 59 transitions. [2022-12-14 21:17:30,814 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 59 transitions. [2022-12-14 21:17:30,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 21:17:30,816 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:30,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:30,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:17:30,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:30,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 43 states and 58 transitions. [2022-12-14 21:17:30,846 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 58 transitions. [2022-12-14 21:17:30,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 21:17:30,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:30,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:30,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:17:30,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:30,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 42 states and 57 transitions. [2022-12-14 21:17:30,885 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2022-12-14 21:17:30,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 21:17:30,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:30,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:30,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 21:17:30,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:30,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 56 transitions. [2022-12-14 21:17:30,914 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2022-12-14 21:17:30,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 21:17:30,914 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:30,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:30,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:30,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-14 21:17:30,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:30,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 55 transitions. [2022-12-14 21:17:30,954 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2022-12-14 21:17:30,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 21:17:30,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:30,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:30,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:17:31,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:31,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2022-12-14 21:17:31,003 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2022-12-14 21:17:31,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 21:17:31,004 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:31,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:31,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:31,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:17:31,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:31,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 42 states and 51 transitions. [2022-12-14 21:17:31,074 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2022-12-14 21:17:31,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 21:17:31,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:31,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:31,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:17:31,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:31,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 41 states and 50 transitions. [2022-12-14 21:17:31,113 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2022-12-14 21:17:31,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-14 21:17:31,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:31,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:31,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:17:31,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:31,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2022-12-14 21:17:31,166 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-12-14 21:17:31,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 21:17:31,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:31,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:31,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:17:31,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:31,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 27 states and 33 transitions. [2022-12-14 21:17:31,849 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 33 transitions. [2022-12-14 21:17:31,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 21:17:31,850 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:31,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:31,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:17:32,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:32,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2022-12-14 21:17:32,033 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-12-14 21:17:32,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 21:17:32,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:32,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:32,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:32,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:17:32,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:32,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2022-12-14 21:17:32,140 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2022-12-14 21:17:32,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 21:17:32,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:32,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:32,427 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:17:33,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:33,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2022-12-14 21:17:33,549 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2022-12-14 21:17:33,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-14 21:17:33,549 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:33,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:34,032 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:17:35,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:35,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2022-12-14 21:17:35,887 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2022-12-14 21:17:35,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 21:17:35,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:35,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:36,334 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:17:38,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:38,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2022-12-14 21:17:38,141 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2022-12-14 21:17:38,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-14 21:17:38,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:38,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:38,702 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:17:40,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:40,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 43 states and 56 transitions. [2022-12-14 21:17:40,818 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2022-12-14 21:17:40,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-14 21:17:40,819 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:40,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:41,324 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 11 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:17:43,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:43,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2022-12-14 21:17:43,134 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2022-12-14 21:17:43,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 21:17:43,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:43,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:43,829 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 13 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:17:46,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:46,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2022-12-14 21:17:46,593 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2022-12-14 21:17:46,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-14 21:17:46,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:46,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:47,538 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 15 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:17:49,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:49,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 61 states and 80 transitions. [2022-12-14 21:17:49,983 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2022-12-14 21:17:49,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-14 21:17:49,983 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:49,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:50,887 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 17 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:17:53,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:53,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 67 states and 88 transitions. [2022-12-14 21:17:53,338 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2022-12-14 21:17:53,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-12-14 21:17:53,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:53,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:53,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:54,200 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 19 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:17:57,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:17:57,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 73 states and 96 transitions. [2022-12-14 21:17:57,123 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2022-12-14 21:17:57,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-14 21:17:57,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:17:57,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:17:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:17:57,867 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 21 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:18:00,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:18:00,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 79 states and 103 transitions. [2022-12-14 21:18:00,178 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 103 transitions. [2022-12-14 21:18:00,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-14 21:18:00,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:18:00,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:18:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:18:00,932 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 79 proven. 13 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-12-14 21:18:29,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:18:29,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 149 states and 195 transitions. [2022-12-14 21:18:29,729 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 195 transitions. [2022-12-14 21:18:29,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-14 21:18:29,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:18:29,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:18:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:18:30,755 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 139 proven. 25 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-12-14 21:18:35,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:18:35,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 158 states and 206 transitions. [2022-12-14 21:18:35,515 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 206 transitions. [2022-12-14 21:18:35,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-12-14 21:18:35,516 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:18:35,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:18:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:18:36,926 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 199 proven. 46 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-12-14 21:18:42,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:18:42,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 167 states and 217 transitions. [2022-12-14 21:18:42,317 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 217 transitions. [2022-12-14 21:18:42,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-12-14 21:18:42,318 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:18:42,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:18:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:18:43,664 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 259 proven. 76 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-12-14 21:18:48,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:18:48,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 176 states and 228 transitions. [2022-12-14 21:18:48,824 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 228 transitions. [2022-12-14 21:18:48,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-12-14 21:18:48,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:18:48,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:18:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:18:50,358 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 319 proven. 115 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-12-14 21:18:55,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:18:55,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 185 states and 239 transitions. [2022-12-14 21:18:55,801 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 239 transitions. [2022-12-14 21:18:55,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-12-14 21:18:55,801 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:18:55,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:18:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:18:57,529 INFO L134 CoverageAnalysis]: Checked inductivity of 803 backedges. 379 proven. 163 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-12-14 21:19:03,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:19:03,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 194 states and 250 transitions. [2022-12-14 21:19:03,579 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 250 transitions. [2022-12-14 21:19:03,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-14 21:19:03,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:19:03,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:19:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:19:05,784 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 439 proven. 220 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-12-14 21:19:12,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:19:12,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 203 states and 261 transitions. [2022-12-14 21:19:12,889 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 261 transitions. [2022-12-14 21:19:12,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-12-14 21:19:12,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:19:12,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:19:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:19:15,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1046 backedges. 499 proven. 286 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-12-14 21:19:21,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:19:21,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 212 states and 272 transitions. [2022-12-14 21:19:21,932 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 272 transitions. [2022-12-14 21:19:21,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-12-14 21:19:21,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:19:21,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:19:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:19:24,255 INFO L134 CoverageAnalysis]: Checked inductivity of 1181 backedges. 559 proven. 361 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2022-12-14 21:19:30,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:19:30,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 221 states and 283 transitions. [2022-12-14 21:19:30,558 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 283 transitions. [2022-12-14 21:19:30,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-12-14 21:19:30,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:19:30,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:19:30,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:19:31,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1325 trivial. 0 not checked. [2022-12-14 21:21:29,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:21:29,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 376 states and 500 transitions. [2022-12-14 21:21:29,177 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 500 transitions. [2022-12-14 21:21:29,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-12-14 21:21:29,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:21:29,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:21:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:22:01,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1447 backedges. 1295 proven. 150 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:22:40,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:22:40,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 383 states and 497 transitions. [2022-12-14 21:22:40,198 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 497 transitions. [2022-12-14 21:22:40,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-12-14 21:22:40,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:22:40,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:22:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:22:44,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1478 backedges. 1309 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 21:22:52,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:22:52,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 390 states and 506 transitions. [2022-12-14 21:22:52,963 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 506 transitions. [2022-12-14 21:22:52,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-12-14 21:22:52,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 21:22:52,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 21:22:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 21:22:58,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1606 backedges. 1441 proven. 163 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 21:23:00,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 21:23:00,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 159 states and 158 transitions. [2022-12-14 21:23:00,848 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 158 transitions. [2022-12-14 21:23:00,848 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 21:23:00,848 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 48 iterations. [2022-12-14 21:23:00,854 INFO L754 CodeCheckObserver]: All specifications hold 19 specifications checked. All of them hold [2022-12-14 21:23:03,085 INFO L560 CodeCheckObserver]: Invariant with dag size 43 [2022-12-14 21:23:03,094 INFO L560 CodeCheckObserver]: Invariant with dag size 42 [2022-12-14 21:23:03,096 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-12-14 21:23:03,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 09:23:03 ImpRootNode [2022-12-14 21:23:03,097 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 21:23:03,097 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 21:23:03,097 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 21:23:03,097 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 21:23:03,097 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:17:28" (3/4) ... [2022-12-14 21:23:03,099 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 21:23:03,105 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-12-14 21:23:03,105 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-14 21:23:03,106 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-14 21:23:03,106 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 21:23:03,121 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown) && \valid[i] == 1) && c + 4 <= unknown-#length-unknown[c]) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && \valid[c] == 1) && c == 0) && !(i == c)) && i + 4 <= unknown-#length-unknown[i]) && !(unknown-#memory_int-unknown[i][i] <= 10)) && !(i + 1 <= 0)) || (((((((((\valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown) && \valid[i] == 1) && c + 4 <= unknown-#length-unknown[c]) && unknown-#memory_int-unknown[i][i] == 0) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && \valid[c] == 1) && c == 0) && !(i == c)) && i + 4 <= unknown-#length-unknown[i]) && !(i + 1 <= 0)) [2022-12-14 21:23:03,122 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown) && \valid[i] == 1) && c + 4 <= unknown-#length-unknown[c]) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && !(unknown-#memory_int-unknown[i][i] <= 0)) && \valid[c] == 1) && c == 0) && !(i == c)) && i + 4 <= unknown-#length-unknown[i]) && !(i + 1 <= 0)) || (((((((((\valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown) && \valid[i] == 1) && c + 4 <= unknown-#length-unknown[c]) && unknown-#memory_int-unknown[i][i] == 0) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && \valid[c] == 1) && c == 0) && !(i == c)) && i + 4 <= unknown-#length-unknown[i]) && !(i + 1 <= 0)) [2022-12-14 21:23:03,122 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(unknown-main_\old_#valid#1-unknown) == \valid [2022-12-14 21:23:03,128 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171473d8-42a7-404f-b54e-0eaa6e53ef1b/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 21:23:03,129 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 21:23:03,129 INFO L158 Benchmark]: Toolchain (without parser) took 335592.49ms. Allocated memory was 241.2MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 208.8MB in the beginning and 771.7MB in the end (delta: -563.0MB). Peak memory consumption was 708.6MB. Max. memory is 16.1GB. [2022-12-14 21:23:03,129 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 125.8MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 21:23:03,130 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.13ms. Allocated memory is still 241.2MB. Free memory was 208.8MB in the beginning and 193.7MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 21:23:03,130 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.94ms. Allocated memory is still 241.2MB. Free memory was 193.7MB in the beginning and 192.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:23:03,130 INFO L158 Benchmark]: Boogie Preprocessor took 20.23ms. Allocated memory is still 241.2MB. Free memory was 192.2MB in the beginning and 190.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:23:03,130 INFO L158 Benchmark]: RCFGBuilder took 302.73ms. Allocated memory is still 241.2MB. Free memory was 190.9MB in the beginning and 176.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 21:23:03,131 INFO L158 Benchmark]: CodeCheck took 334891.52ms. Allocated memory was 241.2MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 176.2MB in the beginning and 773.8MB in the end (delta: -597.6MB). Peak memory consumption was 673.0MB. Max. memory is 16.1GB. [2022-12-14 21:23:03,131 INFO L158 Benchmark]: Witness Printer took 31.57ms. Allocated memory is still 1.5GB. Free memory was 773.8MB in the beginning and 771.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 21:23:03,132 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 34 locations, 19 error locations. Started 1 CEGAR loops. OverallTime: 332.6s, OverallIterations: 48, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11970 SdHoareTripleChecker+Valid, 34.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11569 mSDsluCounter, 6251 SdHoareTripleChecker+Invalid, 30.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5620 mSDsCounter, 4170 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26830 IncrementalHoareTripleChecker+Invalid, 31000 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4170 mSolverCounterUnsat, 631 mSDtfsCounter, 26830 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20841 GetRequests, 18531 SyntacticMatches, 964 SemanticMatches, 1346 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 982464 ImplicationChecksByTransitivity, 305.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 64.4s InterpolantComputationTime, 2319 NumberOfCodeBlocks, 2319 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 2272 ConstructedInterpolants, 0 QuantifiedInterpolants, 18811 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 47 InterpolantComputations, 26 PerfectInterpolantSequences, 10722/13499 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 546]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 19 specifications checked. All of them hold - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: (((((((((\valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown) && \valid[i] == 1) && c + 4 <= unknown-#length-unknown[c]) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && \valid[c] == 1) && c == 0) && !(i == c)) && i + 4 <= unknown-#length-unknown[i]) && !(unknown-#memory_int-unknown[i][i] <= 10)) && !(i + 1 <= 0)) || (((((((((\valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown) && \valid[i] == 1) && c + 4 <= unknown-#length-unknown[c]) && unknown-#memory_int-unknown[i][i] == 0) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && \valid[c] == 1) && c == 0) && !(i == c)) && i + 4 <= unknown-#length-unknown[i]) && !(i + 1 <= 0)) - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: (((((((((\valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown) && \valid[i] == 1) && c + 4 <= unknown-#length-unknown[c]) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && !(unknown-#memory_int-unknown[i][i] <= 0)) && \valid[c] == 1) && c == 0) && !(i == c)) && i + 4 <= unknown-#length-unknown[i]) && !(i + 1 <= 0)) || (((((((((\valid[__builtin_alloca (sizeof(int)) := 0][__builtin_alloca (sizeof(int)) := 0] == \old(unknown-main_\old_#valid#1-unknown) && \valid[i] == 1) && c + 4 <= unknown-#length-unknown[c]) && unknown-#memory_int-unknown[i][i] == 0) && !(__builtin_alloca (sizeof(int)) == __builtin_alloca (sizeof(int)))) && \valid[c] == 1) && c == 0) && !(i == c)) && i + 4 <= unknown-#length-unknown[i]) && !(i + 1 <= 0)) - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: \old(unknown-main_\old_#valid#1-unknown) == \valid * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 125.8MB. Free memory is still 103.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.13ms. Allocated memory is still 241.2MB. Free memory was 208.8MB in the beginning and 193.7MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.94ms. Allocated memory is still 241.2MB. Free memory was 193.7MB in the beginning and 192.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.23ms. Allocated memory is still 241.2MB. Free memory was 192.2MB in the beginning and 190.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 302.73ms. Allocated memory is still 241.2MB. Free memory was 190.9MB in the beginning and 176.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 334891.52ms. Allocated memory was 241.2MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 176.2MB in the beginning and 773.8MB in the end (delta: -597.6MB). Peak memory consumption was 673.0MB. Max. memory is 16.1GB. * Witness Printer took 31.57ms. Allocated memory is still 1.5GB. Free memory was 773.8MB in the beginning and 771.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 21:23:03,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_171473d8-42a7-404f-b54e-0eaa6e53ef1b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE