./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54582e0b-741d-4e65-968e-ebe9faff6393/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54582e0b-741d-4e65-968e-ebe9faff6393/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_54582e0b-741d-4e65-968e-ebe9faff6393/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54582e0b-741d-4e65-968e-ebe9faff6393/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54582e0b-741d-4e65-968e-ebe9faff6393/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54582e0b-741d-4e65-968e-ebe9faff6393/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-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f6eaec015dd6fdb220ef146938a83a65106037c982563310cbbb34d0417543f1 --- 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 16:39:35,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:39:35,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:39:35,592 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:39:35,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:39:35,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:39:35,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:39:35,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:39:35,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:39:35,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:39:35,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:39:35,606 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:39:35,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:39:35,609 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:39:35,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:39:35,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:39:35,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:39:35,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:39:35,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:39:35,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:39:35,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:39:35,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:39:35,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:39:35,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:39:35,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:39:35,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:39:35,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:39:35,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:39:35,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:39:35,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:39:35,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:39:35,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:39:35,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:39:35,644 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:39:35,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:39:35,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:39:35,649 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:39:35,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:39:35,651 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:39:35,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:39:35,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:39:35,654 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54582e0b-741d-4e65-968e-ebe9faff6393/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:39:35,702 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:39:35,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:39:35,705 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:39:35,705 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:39:35,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:39:35,706 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:39:35,706 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:39:35,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:39:35,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:39:35,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:39:35,708 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:39:35,709 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:39:35,709 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:39:35,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:39:35,710 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:39:35,710 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:39:35,711 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:39:35,711 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:39:35,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:39:35,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:35,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:39:35,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:39:35,713 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:39:35,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:39:35,713 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_54582e0b-741d-4e65-968e-ebe9faff6393/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54582e0b-741d-4e65-968e-ebe9faff6393/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6eaec015dd6fdb220ef146938a83a65106037c982563310cbbb34d0417543f1 [2022-10-17 16:39:36,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:39:36,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:39:36,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:39:36,057 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:39:36,059 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:39:36,061 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54582e0b-741d-4e65-968e-ebe9faff6393/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-1.i [2022-10-17 16:39:36,147 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54582e0b-741d-4e65-968e-ebe9faff6393/bin/ukojak-92XMlrwhuB/data/61f5d8d46/fd916477e070433eb6a42a77289117bc/FLAG92105d36f [2022-10-17 16:39:36,742 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:39:36,747 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54582e0b-741d-4e65-968e-ebe9faff6393/sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-1.i [2022-10-17 16:39:36,760 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54582e0b-741d-4e65-968e-ebe9faff6393/bin/ukojak-92XMlrwhuB/data/61f5d8d46/fd916477e070433eb6a42a77289117bc/FLAG92105d36f [2022-10-17 16:39:37,036 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54582e0b-741d-4e65-968e-ebe9faff6393/bin/ukojak-92XMlrwhuB/data/61f5d8d46/fd916477e070433eb6a42a77289117bc [2022-10-17 16:39:37,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:39:37,043 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:39:37,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:37,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:39:37,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:39:37,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:37" (1/1) ... [2022-10-17 16:39:37,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211ba384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:37, skipping insertion in model container [2022-10-17 16:39:37,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:37" (1/1) ... [2022-10-17 16:39:37,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:39:37,122 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:39:37,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:37,516 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:39:37,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:37,606 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:39:37,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:37 WrapperNode [2022-10-17 16:39:37,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:37,608 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:37,608 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:39:37,608 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:39:37,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:37" (1/1) ... [2022-10-17 16:39:37,650 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:37" (1/1) ... [2022-10-17 16:39:37,693 INFO L138 Inliner]: procedures = 116, calls = 31, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2022-10-17 16:39:37,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:37,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:39:37,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:39:37,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:39:37,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:37" (1/1) ... [2022-10-17 16:39:37,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:37" (1/1) ... [2022-10-17 16:39:37,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:37" (1/1) ... [2022-10-17 16:39:37,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:37" (1/1) ... [2022-10-17 16:39:37,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:37" (1/1) ... [2022-10-17 16:39:37,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:37" (1/1) ... [2022-10-17 16:39:37,727 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:37" (1/1) ... [2022-10-17 16:39:37,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:37" (1/1) ... [2022-10-17 16:39:37,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:39:37,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:39:37,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:39:37,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:39:37,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:37" (1/1) ... [2022-10-17 16:39:37,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:37,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54582e0b-741d-4e65-968e-ebe9faff6393/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:39:37,791 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54582e0b-741d-4e65-968e-ebe9faff6393/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:39:37,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54582e0b-741d-4e65-968e-ebe9faff6393/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:39:37,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:39:37,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:39:37,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:39:37,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:39:37,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:39:37,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:39:37,958 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:39:37,960 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:39:38,483 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:39:38,597 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:39:38,597 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:39:38,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:38 BoogieIcfgContainer [2022-10-17 16:39:38,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:39:38,602 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:39:38,602 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:39:38,618 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:39:38,618 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:38" (1/1) ... [2022-10-17 16:39:38,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:39:38,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:38,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 129 states and 136 transitions. [2022-10-17 16:39:38,738 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 136 transitions. [2022-10-17 16:39:38,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:39:38,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:38,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:38,974 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 16:39:39,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:39,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 128 states and 135 transitions. [2022-10-17 16:39:39,012 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 135 transitions. [2022-10-17 16:39:39,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:39:39,012 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:39,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:39,125 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 16:39:39,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:39,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 127 states and 134 transitions. [2022-10-17 16:39:39,203 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 134 transitions. [2022-10-17 16:39:39,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:39:39,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:39,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:39,235 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 16:39:39,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:39,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 126 states and 133 transitions. [2022-10-17 16:39:39,252 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 133 transitions. [2022-10-17 16:39:39,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:39:39,252 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:39,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:39,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:39,333 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 16:39:39,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:39,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 125 states and 132 transitions. [2022-10-17 16:39:39,352 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 132 transitions. [2022-10-17 16:39:39,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:39:39,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:39,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:39,407 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 16:39:39,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:39,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 127 states and 136 transitions. [2022-10-17 16:39:39,455 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 136 transitions. [2022-10-17 16:39:39,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:39:39,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:39,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:39,551 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 16:39:39,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:39,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 129 states and 140 transitions. [2022-10-17 16:39:39,668 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 140 transitions. [2022-10-17 16:39:39,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:39:39,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:39,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:39,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:39,739 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 16:39:39,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:39,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 130 states and 142 transitions. [2022-10-17 16:39:39,959 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 142 transitions. [2022-10-17 16:39:39,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:39:39,962 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:39,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:40,044 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 16:39:40,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:40,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 129 states and 141 transitions. [2022-10-17 16:39:40,106 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 141 transitions. [2022-10-17 16:39:40,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:39:40,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:40,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:40,249 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 16:39:40,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:40,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 128 states and 140 transitions. [2022-10-17 16:39:40,408 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 140 transitions. [2022-10-17 16:39:40,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:39:40,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:40,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:40,595 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 16:39:40,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:40,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 132 states and 150 transitions. [2022-10-17 16:39:40,994 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 150 transitions. [2022-10-17 16:39:40,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:39:40,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:40,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:41,165 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 16:39:41,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:41,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 136 states and 165 transitions. [2022-10-17 16:39:41,760 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 165 transitions. [2022-10-17 16:39:41,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:39:41,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:41,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:41,845 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 16:39:42,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:42,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 140 states and 174 transitions. [2022-10-17 16:39:42,482 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 174 transitions. [2022-10-17 16:39:42,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:39:42,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:42,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:42,630 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 16:39:43,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:43,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 144 states and 181 transitions. [2022-10-17 16:39:43,386 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 181 transitions. [2022-10-17 16:39:43,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:39:43,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:43,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:43,434 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 16:39:43,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:43,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 145 states and 182 transitions. [2022-10-17 16:39:43,641 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 182 transitions. [2022-10-17 16:39:43,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:39:43,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:43,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:43,713 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:44,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:44,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 146 states and 185 transitions. [2022-10-17 16:39:44,146 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 185 transitions. [2022-10-17 16:39:44,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:39:44,147 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:44,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:44,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:44,312 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:44,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:44,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 146 states and 184 transitions. [2022-10-17 16:39:44,470 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 184 transitions. [2022-10-17 16:39:44,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:39:44,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:44,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:44,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:44,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:45,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:45,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 150 states and 203 transitions. [2022-10-17 16:39:45,885 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 203 transitions. [2022-10-17 16:39:45,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:39:45,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:45,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:46,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:46,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:46,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 151 states and 206 transitions. [2022-10-17 16:39:46,300 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 206 transitions. [2022-10-17 16:39:46,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:39:46,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:46,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:46,688 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:48,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:48,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 158 states and 224 transitions. [2022-10-17 16:39:48,163 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 224 transitions. [2022-10-17 16:39:48,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:39:48,164 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:48,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:48,301 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:39:48,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:48,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 161 states and 228 transitions. [2022-10-17 16:39:48,868 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 228 transitions. [2022-10-17 16:39:48,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:39:48,869 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:48,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:48,971 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:39:49,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:49,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 164 states and 236 transitions. [2022-10-17 16:39:49,789 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 236 transitions. [2022-10-17 16:39:49,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:39:49,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:49,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:49,832 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:39:50,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:50,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 167 states and 242 transitions. [2022-10-17 16:39:50,694 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 242 transitions. [2022-10-17 16:39:50,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:39:50,695 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:50,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:50,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:50,856 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:39:50,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:50,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 166 states and 241 transitions. [2022-10-17 16:39:50,950 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 241 transitions. [2022-10-17 16:39:50,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:39:50,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:50,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:51,211 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:39:51,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:51,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 167 states and 242 transitions. [2022-10-17 16:39:51,610 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 242 transitions. [2022-10-17 16:39:51,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:39:51,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:51,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:51,654 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:39:51,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:51,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 166 states and 241 transitions. [2022-10-17 16:39:51,675 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 241 transitions. [2022-10-17 16:39:51,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:39:51,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:51,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:51,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:52,131 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:39:52,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:52,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 167 states and 243 transitions. [2022-10-17 16:39:52,775 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 243 transitions. [2022-10-17 16:39:52,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:39:52,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:52,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:53,004 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:54,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:54,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 118 states and 125 transitions. [2022-10-17 16:39:54,032 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 125 transitions. [2022-10-17 16:39:54,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:39:54,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:54,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:54,151 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:39:54,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:54,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 117 states and 124 transitions. [2022-10-17 16:39:54,175 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 124 transitions. [2022-10-17 16:39:54,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:39:54,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:54,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:54,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:55,372 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:59,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:59,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 116 states and 123 transitions. [2022-10-17 16:39:59,202 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 123 transitions. [2022-10-17 16:39:59,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:39:59,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:59,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:59,961 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:40:02,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:02,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 115 states and 122 transitions. [2022-10-17 16:40:02,255 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 122 transitions. [2022-10-17 16:40:02,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:40:02,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:02,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:02,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:02,821 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:40:08,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:08,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 114 states and 121 transitions. [2022-10-17 16:40:08,327 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 121 transitions. [2022-10-17 16:40:08,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:40:08,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:08,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat