./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9486b2e7-6aed-4f4b-a84f-c498b3fd86ef/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9486b2e7-6aed-4f4b-a84f-c498b3fd86ef/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9486b2e7-6aed-4f4b-a84f-c498b3fd86ef/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9486b2e7-6aed-4f4b-a84f-c498b3fd86ef/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9486b2e7-6aed-4f4b-a84f-c498b3fd86ef/bin/ukojak-92XMlrwhuB/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9486b2e7-6aed-4f4b-a84f-c498b3fd86ef/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7c883b81b24ce5a721aa9a1ff13aef8a0d532ba87d9e130e470a0b88a1f8e93e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:56:28,482 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:56:28,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:56:28,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:56:28,516 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:56:28,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:56:28,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:56:28,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:56:28,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:56:28,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:56:28,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:56:28,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:56:28,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:56:28,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:56:28,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:56:28,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:56:28,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:56:28,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:56:28,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:56:28,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:56:28,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:56:28,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:56:28,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:56:28,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:56:28,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:56:28,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:56:28,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:56:28,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:56:28,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:56:28,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:56:28,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:56:28,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:56:28,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:56:28,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:56:28,582 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:56:28,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:56:28,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:56:28,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:56:28,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:56:28,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:56:28,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:56:28,587 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9486b2e7-6aed-4f4b-a84f-c498b3fd86ef/bin/ukojak-92XMlrwhuB/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2022-10-17 16:56:28,640 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:56:28,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:56:28,641 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:56:28,641 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:56:28,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:56:28,642 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:56:28,642 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:56:28,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:56:28,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:56:28,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:56:28,643 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:56:28,643 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:56:28,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:56:28,644 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:56:28,644 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:56:28,644 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:56:28,644 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:56:28,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:56:28,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:56:28,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:56:28,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:56:28,645 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:56:28,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:56:28,645 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_9486b2e7-6aed-4f4b-a84f-c498b3fd86ef/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9486b2e7-6aed-4f4b-a84f-c498b3fd86ef/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c883b81b24ce5a721aa9a1ff13aef8a0d532ba87d9e130e470a0b88a1f8e93e [2022-10-17 16:56:28,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:56:28,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:56:28,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:56:28,937 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:56:28,937 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:56:28,939 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9486b2e7-6aed-4f4b-a84f-c498b3fd86ef/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/memsafety-bftpd/bftpd_2.i [2022-10-17 16:56:29,024 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9486b2e7-6aed-4f4b-a84f-c498b3fd86ef/bin/ukojak-92XMlrwhuB/data/95d01e161/03f84f55379143f0b5f2a0ac2fa2bd81/FLAG1f174d3c2 [2022-10-17 16:56:29,676 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:56:29,676 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9486b2e7-6aed-4f4b-a84f-c498b3fd86ef/sv-benchmarks/c/memsafety-bftpd/bftpd_2.i [2022-10-17 16:56:29,691 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9486b2e7-6aed-4f4b-a84f-c498b3fd86ef/bin/ukojak-92XMlrwhuB/data/95d01e161/03f84f55379143f0b5f2a0ac2fa2bd81/FLAG1f174d3c2 [2022-10-17 16:56:29,931 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9486b2e7-6aed-4f4b-a84f-c498b3fd86ef/bin/ukojak-92XMlrwhuB/data/95d01e161/03f84f55379143f0b5f2a0ac2fa2bd81 [2022-10-17 16:56:29,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:56:29,936 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:56:29,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:56:29,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:56:29,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:56:29,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:56:29" (1/1) ... [2022-10-17 16:56:29,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a72cfd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:29, skipping insertion in model container [2022-10-17 16:56:29,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:56:29" (1/1) ... [2022-10-17 16:56:29,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:56:29,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:56:30,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:56:30,452 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:56:30,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:56:30,575 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:56:30,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:30 WrapperNode [2022-10-17 16:56:30,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:56:30,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:56:30,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:56:30,577 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:56:30,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:30" (1/1) ... [2022-10-17 16:56:30,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:30" (1/1) ... [2022-10-17 16:56:30,667 INFO L138 Inliner]: procedures = 168, calls = 42, calls flagged for inlining = 8, calls inlined = 14, statements flattened = 205 [2022-10-17 16:56:30,670 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:56:30,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:56:30,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:56:30,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:56:30,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:30" (1/1) ... [2022-10-17 16:56:30,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:30" (1/1) ... [2022-10-17 16:56:30,695 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:30" (1/1) ... [2022-10-17 16:56:30,697 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:30" (1/1) ... [2022-10-17 16:56:30,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:30" (1/1) ... [2022-10-17 16:56:30,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:30" (1/1) ... [2022-10-17 16:56:30,729 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:30" (1/1) ... [2022-10-17 16:56:30,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:30" (1/1) ... [2022-10-17 16:56:30,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:56:30,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:56:30,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:56:30,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:56:30,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:56:30" (1/1) ... [2022-10-17 16:56:30,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:56:30,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9486b2e7-6aed-4f4b-a84f-c498b3fd86ef/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:56:30,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9486b2e7-6aed-4f4b-a84f-c498b3fd86ef/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:56:30,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9486b2e7-6aed-4f4b-a84f-c498b3fd86ef/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:56:30,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:56:30,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:56:30,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:56:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:56:30,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:56:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 16:56:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:56:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:56:30,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:56:30,985 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:56:30,987 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:56:31,626 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:56:31,688 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:56:31,689 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:56:31,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:56:31 BoogieIcfgContainer [2022-10-17 16:56:31,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:56:31,694 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:56:31,694 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:56:31,705 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:56:31,705 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:56:31" (1/1) ... [2022-10-17 16:56:31,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:56:31,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:31,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 148 states and 168 transitions. [2022-10-17 16:56:31,779 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 168 transitions. [2022-10-17 16:56:31,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:56:31,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:31,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:32,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:32,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:32,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 150 states and 173 transitions. [2022-10-17 16:56:32,145 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 173 transitions. [2022-10-17 16:56:32,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:56:32,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:32,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:32,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:32,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:32,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 152 states and 176 transitions. [2022-10-17 16:56:32,583 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 176 transitions. [2022-10-17 16:56:32,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:56:32,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:32,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:32,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:33,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:33,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 155 states and 182 transitions. [2022-10-17 16:56:33,068 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 182 transitions. [2022-10-17 16:56:33,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:56:33,069 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:33,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:33,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:33,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:33,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:33,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 159 states and 190 transitions. [2022-10-17 16:56:33,783 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 190 transitions. [2022-10-17 16:56:33,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:56:33,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:33,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:33,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:33,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:34,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:34,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 164 states and 200 transitions. [2022-10-17 16:56:34,490 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 200 transitions. [2022-10-17 16:56:34,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:56:34,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:34,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:34,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:34,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:35,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:35,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 170 states and 212 transitions. [2022-10-17 16:56:35,583 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 212 transitions. [2022-10-17 16:56:35,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:56:35,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:35,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:35,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:36,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:36,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 175 states and 222 transitions. [2022-10-17 16:56:36,489 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 222 transitions. [2022-10-17 16:56:36,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:56:36,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:36,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:36,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:37,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:37,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 181 states and 234 transitions. [2022-10-17 16:56:37,776 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 234 transitions. [2022-10-17 16:56:37,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:56:37,777 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:37,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:37,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:37,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:37,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 184 states and 239 transitions. [2022-10-17 16:56:37,918 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 239 transitions. [2022-10-17 16:56:37,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:56:37,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:37,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:37,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:38,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:38,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:38,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 187 states and 251 transitions. [2022-10-17 16:56:38,787 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 251 transitions. [2022-10-17 16:56:38,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:56:38,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:38,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:38,889 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:39,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:39,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 189 states and 260 transitions. [2022-10-17 16:56:39,353 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 260 transitions. [2022-10-17 16:56:39,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:56:39,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:39,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:39,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:39,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:39,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 188 states and 258 transitions. [2022-10-17 16:56:39,396 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 258 transitions. [2022-10-17 16:56:39,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:56:39,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:39,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:39,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:39,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:39,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 190 states and 262 transitions. [2022-10-17 16:56:39,872 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 262 transitions. [2022-10-17 16:56:39,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:56:39,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:39,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:40,257 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:43,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:43,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 201 states and 293 transitions. [2022-10-17 16:56:43,616 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 293 transitions. [2022-10-17 16:56:43,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:56:43,617 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:43,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:43,709 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:44,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:44,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 203 states and 295 transitions. [2022-10-17 16:56:44,442 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 295 transitions. [2022-10-17 16:56:44,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:56:44,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:44,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:44,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:44,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:44,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 204 states and 295 transitions. [2022-10-17 16:56:44,996 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 295 transitions. [2022-10-17 16:56:44,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:56:44,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:44,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:45,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:45,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:45,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 205 states and 295 transitions. [2022-10-17 16:56:45,243 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 295 transitions. [2022-10-17 16:56:45,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:56:45,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:45,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:45,808 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:49,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:49,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 216 states and 321 transitions. [2022-10-17 16:56:49,561 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 321 transitions. [2022-10-17 16:56:49,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:56:49,564 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:49,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:49,766 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:50,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:50,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 218 states and 322 transitions. [2022-10-17 16:56:50,401 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 322 transitions. [2022-10-17 16:56:50,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:56:50,402 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:50,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:50,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:50,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:50,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:50,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 219 states and 323 transitions. [2022-10-17 16:56:50,833 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 323 transitions. [2022-10-17 16:56:50,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:56:50,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:50,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:50,966 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:53,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:53,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 226 states and 342 transitions. [2022-10-17 16:56:53,193 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 342 transitions. [2022-10-17 16:56:53,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:56:53,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:53,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:53,217 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:53,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:53,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 228 states and 343 transitions. [2022-10-17 16:56:53,653 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 343 transitions. [2022-10-17 16:56:53,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:56:53,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:53,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:53,761 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:53,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:53,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 230 states and 345 transitions. [2022-10-17 16:56:53,802 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 345 transitions. [2022-10-17 16:56:53,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:56:53,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:53,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:53,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:54,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:54,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 218 states and 332 transitions. [2022-10-17 16:56:54,134 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 332 transitions. [2022-10-17 16:56:54,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:56:54,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:54,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:54,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:54,462 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:57,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:57,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 226 states and 359 transitions. [2022-10-17 16:56:57,273 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 359 transitions. [2022-10-17 16:56:57,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:56:57,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:57,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:57,318 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:58,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:58,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 230 states and 364 transitions. [2022-10-17 16:56:58,653 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 364 transitions. [2022-10-17 16:56:58,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:56:58,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:58,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:58,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:56:58,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:56:58,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 232 states and 366 transitions. [2022-10-17 16:56:58,910 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 366 transitions. [2022-10-17 16:56:58,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:56:58,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:56:58,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:56:58,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:56:59,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.