./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/basename-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_504861d9-1ef1-4960-a64f-a9ae187e1c3d/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504861d9-1ef1-4960-a64f-a9ae187e1c3d/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_504861d9-1ef1-4960-a64f-a9ae187e1c3d/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504861d9-1ef1-4960-a64f-a9ae187e1c3d/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/basename-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504861d9-1ef1-4960-a64f-a9ae187e1c3d/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504861d9-1ef1-4960-a64f-a9ae187e1c3d/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 64bit --witnessprinter.graph.data.programhash 65aca230ed2b7a8b5f7f2ccd484c93b0425fe4f5fb1895001f199a0c2754f5f4 --- 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 17:02:12,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:02:12,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:02:12,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:02:12,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:02:12,686 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:02:12,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:02:12,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:02:12,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:02:12,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:02:12,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:02:12,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:02:12,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:02:12,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:02:12,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:02:12,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:02:12,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:02:12,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:02:12,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:02:12,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:02:12,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:02:12,730 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:02:12,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:02:12,735 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:02:12,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:02:12,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:02:12,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:02:12,747 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:02:12,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:02:12,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:02:12,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:02:12,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:02:12,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:02:12,756 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:02:12,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:02:12,759 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:02:12,760 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:02:12,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:02:12,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:02:12,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:02:12,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:02:12,763 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504861d9-1ef1-4960-a64f-a9ae187e1c3d/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2022-10-17 17:02:12,817 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:02:12,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:02:12,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:02:12,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:02:12,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:02:12,820 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:02:12,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:02:12,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:02:12,821 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 17:02:12,821 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 17:02:12,823 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 17:02:12,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:02:12,823 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:02:12,823 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:02:12,824 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:02:12,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:02:12,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:12,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:02:12,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:02:12,825 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:02:12,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:02:12,825 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_504861d9-1ef1-4960-a64f-a9ae187e1c3d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504861d9-1ef1-4960-a64f-a9ae187e1c3d/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65aca230ed2b7a8b5f7f2ccd484c93b0425fe4f5fb1895001f199a0c2754f5f4 [2022-10-17 17:02:13,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:02:13,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:02:13,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:02:13,157 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:02:13,158 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:02:13,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504861d9-1ef1-4960-a64f-a9ae187e1c3d/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/busybox-1.22.0/basename-1.i [2022-10-17 17:02:13,248 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504861d9-1ef1-4960-a64f-a9ae187e1c3d/bin/ukojak-92XMlrwhuB/data/9d7c1f352/15cd77ef97da435780a1a70775a90d70/FLAG2a44326c8 [2022-10-17 17:02:13,951 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:02:13,952 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504861d9-1ef1-4960-a64f-a9ae187e1c3d/sv-benchmarks/c/busybox-1.22.0/basename-1.i [2022-10-17 17:02:13,986 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504861d9-1ef1-4960-a64f-a9ae187e1c3d/bin/ukojak-92XMlrwhuB/data/9d7c1f352/15cd77ef97da435780a1a70775a90d70/FLAG2a44326c8 [2022-10-17 17:02:14,070 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504861d9-1ef1-4960-a64f-a9ae187e1c3d/bin/ukojak-92XMlrwhuB/data/9d7c1f352/15cd77ef97da435780a1a70775a90d70 [2022-10-17 17:02:14,073 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:02:14,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:02:14,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:14,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:02:14,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:02:14,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:14" (1/1) ... [2022-10-17 17:02:14,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29052ac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:14, skipping insertion in model container [2022-10-17 17:02:14,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:14" (1/1) ... [2022-10-17 17:02:14,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:02:14,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:02:15,130 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504861d9-1ef1-4960-a64f-a9ae187e1c3d/sv-benchmarks/c/busybox-1.22.0/basename-1.i[58057,58070] [2022-10-17 17:02:15,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:15,239 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:02:15,327 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504861d9-1ef1-4960-a64f-a9ae187e1c3d/sv-benchmarks/c/busybox-1.22.0/basename-1.i[58057,58070] [2022-10-17 17:02:15,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:15,468 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:02:15,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:15 WrapperNode [2022-10-17 17:02:15,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:15,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:15,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:02:15,471 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:02:15,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:15" (1/1) ... [2022-10-17 17:02:15,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:15" (1/1) ... [2022-10-17 17:02:15,559 INFO L138 Inliner]: procedures = 347, calls = 112, calls flagged for inlining = 17, calls inlined = 12, statements flattened = 397 [2022-10-17 17:02:15,559 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:15,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:02:15,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:02:15,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:02:15,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:15" (1/1) ... [2022-10-17 17:02:15,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:15" (1/1) ... [2022-10-17 17:02:15,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:15" (1/1) ... [2022-10-17 17:02:15,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:15" (1/1) ... [2022-10-17 17:02:15,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:15" (1/1) ... [2022-10-17 17:02:15,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:15" (1/1) ... [2022-10-17 17:02:15,671 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:15" (1/1) ... [2022-10-17 17:02:15,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:15" (1/1) ... [2022-10-17 17:02:15,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:02:15,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:02:15,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:02:15,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:02:15,705 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:15" (1/1) ... [2022-10-17 17:02:15,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:15,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504861d9-1ef1-4960-a64f-a9ae187e1c3d/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:02:15,738 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504861d9-1ef1-4960-a64f-a9ae187e1c3d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:02:15,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_504861d9-1ef1-4960-a64f-a9ae187e1c3d/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:02:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:02:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:02:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:02:15,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:02:15,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 17:02:15,791 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2022-10-17 17:02:15,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:02:15,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:02:15,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:02:15,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:02:15,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:02:16,250 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:02:16,252 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:02:17,039 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:02:17,163 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:02:17,163 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-10-17 17:02:17,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:17 BoogieIcfgContainer [2022-10-17 17:02:17,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:02:17,168 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:02:17,168 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:02:17,180 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:02:17,181 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:17" (1/1) ... [2022-10-17 17:02:17,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:02:17,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:17,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 194 states and 222 transitions. [2022-10-17 17:02:17,263 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 222 transitions. [2022-10-17 17:02:17,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 17:02:17,266 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:17,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:17,823 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 17:02:17,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:17,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 193 states and 221 transitions. [2022-10-17 17:02:17,878 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 221 transitions. [2022-10-17 17:02:17,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 17:02:17,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:17,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:18,024 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 17:02:18,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:18,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 192 states and 220 transitions. [2022-10-17 17:02:18,118 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 220 transitions. [2022-10-17 17:02:18,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 17:02:18,118 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:18,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:18,225 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 17:02:18,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:18,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 193 states and 222 transitions. [2022-10-17 17:02:18,281 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 222 transitions. [2022-10-17 17:02:18,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 17:02:18,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:18,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:18,382 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 17:02:18,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:18,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 194 states and 224 transitions. [2022-10-17 17:02:18,478 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 224 transitions. [2022-10-17 17:02:18,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 17:02:18,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:18,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:18,802 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 17:02:19,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:19,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 196 states and 226 transitions. [2022-10-17 17:02:19,075 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 226 transitions. [2022-10-17 17:02:19,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:02:19,076 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:19,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:19,201 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 17:02:19,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:19,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 197 states and 229 transitions. [2022-10-17 17:02:19,298 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 229 transitions. [2022-10-17 17:02:19,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:02:19,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:19,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:19,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:02:19,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:19,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 197 states and 228 transitions. [2022-10-17 17:02:19,537 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 228 transitions. [2022-10-17 17:02:19,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:02:19,537 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:19,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:19,892 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 17:02:20,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:20,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 199 states and 231 transitions. [2022-10-17 17:02:20,571 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 231 transitions. [2022-10-17 17:02:20,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:02:20,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:20,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:20,744 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 17:02:20,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:20,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 201 states and 236 transitions. [2022-10-17 17:02:20,974 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 236 transitions. [2022-10-17 17:02:20,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:02:20,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:20,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:21,049 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 17:02:21,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:21,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 201 states and 235 transitions. [2022-10-17 17:02:21,203 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 235 transitions. [2022-10-17 17:02:21,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:02:21,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:21,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:21,489 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 17:02:22,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:22,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 203 states and 239 transitions. [2022-10-17 17:02:22,175 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 239 transitions. [2022-10-17 17:02:22,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:02:22,176 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:22,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:22,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:22,324 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:22,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:22,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 205 states and 246 transitions. [2022-10-17 17:02:22,642 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 246 transitions. [2022-10-17 17:02:22,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:02:22,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:22,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:23,002 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:23,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:23,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 207 states and 247 transitions. [2022-10-17 17:02:23,524 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 247 transitions. [2022-10-17 17:02:23,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:02:23,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:23,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:23,618 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 17:02:23,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:23,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 207 states and 246 transitions. [2022-10-17 17:02:23,805 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 246 transitions. [2022-10-17 17:02:23,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:02:23,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:23,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:24,037 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:24,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:24,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 209 states and 253 transitions. [2022-10-17 17:02:24,339 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 253 transitions. [2022-10-17 17:02:24,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:02:24,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:24,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:24,429 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-17 17:02:24,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:24,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 209 states and 252 transitions. [2022-10-17 17:02:24,629 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 252 transitions. [2022-10-17 17:02:24,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:02:24,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:24,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:25,021 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:25,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:25,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 210 states and 252 transitions. [2022-10-17 17:02:25,422 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 252 transitions. [2022-10-17 17:02:25,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:02:25,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:25,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:25,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:25,658 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-10-17 17:02:25,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:25,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 209 states and 251 transitions. [2022-10-17 17:02:25,762 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 251 transitions. [2022-10-17 17:02:25,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:02:25,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:25,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:25,999 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:26,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:26,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 211 states and 258 transitions. [2022-10-17 17:02:26,303 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 258 transitions. [2022-10-17 17:02:26,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:02:26,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:26,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:26,389 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-10-17 17:02:26,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:26,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 211 states and 257 transitions. [2022-10-17 17:02:26,587 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 257 transitions. [2022-10-17 17:02:26,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:02:26,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:26,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:27,117 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:28,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:28,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 213 states and 261 transitions. [2022-10-17 17:02:28,185 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 261 transitions. [2022-10-17 17:02:28,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:02:28,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:28,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:28,308 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-10-17 17:02:28,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:28,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 213 states and 260 transitions. [2022-10-17 17:02:28,560 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 260 transitions. [2022-10-17 17:02:28,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:02:28,560 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:28,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:28,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:28,891 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:29,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:29,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 215 states and 269 transitions. [2022-10-17 17:02:29,420 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 269 transitions. [2022-10-17 17:02:29,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:02:29,421 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:29,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:29,534 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-10-17 17:02:29,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:29,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 215 states and 268 transitions. [2022-10-17 17:02:29,819 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 268 transitions. [2022-10-17 17:02:29,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:02:29,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:29,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:30,557 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:31,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:31,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 216 states and 268 transitions. [2022-10-17 17:02:31,126 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 268 transitions. [2022-10-17 17:02:31,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:02:31,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:31,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:31,607 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:32,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:32,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 218 states and 270 transitions. [2022-10-17 17:02:32,677 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 270 transitions. [2022-10-17 17:02:32,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:02:32,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:32,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:33,095 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:33,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:33,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 220 states and 280 transitions. [2022-10-17 17:02:33,668 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 280 transitions. [2022-10-17 17:02:33,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:02:33,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:33,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:34,141 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:35,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:35,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 223 states and 283 transitions. [2022-10-17 17:02:35,761 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 283 transitions. [2022-10-17 17:02:35,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:02:35,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:35,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:35,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:35,996 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:36,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:36,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 224 states and 283 transitions. [2022-10-17 17:02:36,322 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 283 transitions. [2022-10-17 17:02:36,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:02:36,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:36,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:36,404 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-10-17 17:02:36,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:36,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 224 states and 282 transitions. [2022-10-17 17:02:36,705 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 282 transitions. [2022-10-17 17:02:36,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:02:36,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:36,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:36,935 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:37,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:37,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 225 states and 282 transitions. [2022-10-17 17:02:37,287 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 282 transitions. [2022-10-17 17:02:37,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:02:37,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:37,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:37,573 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:37,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:37,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 226 states and 282 transitions. [2022-10-17 17:02:37,963 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 282 transitions. [2022-10-17 17:02:37,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:02:37,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:37,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:38,280 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:38,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:38,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 228 states and 294 transitions. [2022-10-17 17:02:38,967 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 294 transitions. [2022-10-17 17:02:38,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:02:38,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:38,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:39,065 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2022-10-17 17:02:39,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:39,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 228 states and 293 transitions. [2022-10-17 17:02:39,401 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 293 transitions. [2022-10-17 17:02:39,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:02:39,401 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:39,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:39,615 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:02:40,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:40,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 229 states and 293 transitions. [2022-10-17 17:02:40,048 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 293 transitions. [2022-10-17 17:02:40,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:02:40,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:40,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:40,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:40,485 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.