./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext/skiplist_2lvl.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_776943d5-3fc6-43f3-a9ac-32b473c507be/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776943d5-3fc6-43f3-a9ac-32b473c507be/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_776943d5-3fc6-43f3-a9ac-32b473c507be/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776943d5-3fc6-43f3-a9ac-32b473c507be/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext/skiplist_2lvl.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776943d5-3fc6-43f3-a9ac-32b473c507be/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_776943d5-3fc6-43f3-a9ac-32b473c507be/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 0d6c543285e4316d7bccce7ec33cf3dc3eeb4c474821e85404caf1203b5dfc7e --- 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 16:40:44,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:40:44,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:40:44,750 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:40:44,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:40:44,752 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:40:44,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:40:44,756 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:40:44,762 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:40:44,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:40:44,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:40:44,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:40:44,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:40:44,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:40:44,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:40:44,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:40:44,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:40:44,774 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:40:44,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:40:44,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:40:44,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:40:44,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:40:44,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:40:44,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:40:44,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:40:44,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:40:44,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:40:44,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:40:44,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:40:44,794 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:40:44,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:40:44,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:40:44,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:40:44,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:40:44,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:40:44,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:40:44,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:40:44,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:40:44,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:40:44,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:40:44,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:40:44,804 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776943d5-3fc6-43f3-a9ac-32b473c507be/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:40:44,830 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:40:44,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:40:44,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:40:44,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:40:44,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:40:44,840 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:40:44,841 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:40:44,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:40:44,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:40:44,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:40:44,841 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:40:44,841 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:40:44,842 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:40:44,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:40:44,842 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:40:44,842 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:40:44,842 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:40:44,843 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:40:44,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:40:44,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:44,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:40:44,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:40:44,844 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:40:44,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:40:44,844 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_776943d5-3fc6-43f3-a9ac-32b473c507be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776943d5-3fc6-43f3-a9ac-32b473c507be/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d6c543285e4316d7bccce7ec33cf3dc3eeb4c474821e85404caf1203b5dfc7e [2022-10-17 16:40:45,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:40:45,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:40:45,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:40:45,170 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:40:45,172 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:40:45,173 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776943d5-3fc6-43f3-a9ac-32b473c507be/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/memsafety-ext/skiplist_2lvl.i [2022-10-17 16:40:45,254 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776943d5-3fc6-43f3-a9ac-32b473c507be/bin/ukojak-92XMlrwhuB/data/813badc1c/62fc01f3141744cfb07f7b34df0da686/FLAG80faf6e96 [2022-10-17 16:40:45,826 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:40:45,827 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776943d5-3fc6-43f3-a9ac-32b473c507be/sv-benchmarks/c/memsafety-ext/skiplist_2lvl.i [2022-10-17 16:40:45,843 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776943d5-3fc6-43f3-a9ac-32b473c507be/bin/ukojak-92XMlrwhuB/data/813badc1c/62fc01f3141744cfb07f7b34df0da686/FLAG80faf6e96 [2022-10-17 16:40:46,092 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776943d5-3fc6-43f3-a9ac-32b473c507be/bin/ukojak-92XMlrwhuB/data/813badc1c/62fc01f3141744cfb07f7b34df0da686 [2022-10-17 16:40:46,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:40:46,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:40:46,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:46,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:40:46,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:40:46,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:46" (1/1) ... [2022-10-17 16:40:46,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aa2916c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:46, skipping insertion in model container [2022-10-17 16:40:46,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:46" (1/1) ... [2022-10-17 16:40:46,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:40:46,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:40:46,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:46,502 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:40:46,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:46,582 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:40:46,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:46 WrapperNode [2022-10-17 16:40:46,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:46,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:46,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:40:46,584 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:40:46,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:46" (1/1) ... [2022-10-17 16:40:46,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:46" (1/1) ... [2022-10-17 16:40:46,672 INFO L138 Inliner]: procedures = 127, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 138 [2022-10-17 16:40:46,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:46,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:40:46,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:40:46,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:40:46,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:46" (1/1) ... [2022-10-17 16:40:46,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:46" (1/1) ... [2022-10-17 16:40:46,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:46" (1/1) ... [2022-10-17 16:40:46,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:46" (1/1) ... [2022-10-17 16:40:46,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:46" (1/1) ... [2022-10-17 16:40:46,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:46" (1/1) ... [2022-10-17 16:40:46,735 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:46" (1/1) ... [2022-10-17 16:40:46,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:46" (1/1) ... [2022-10-17 16:40:46,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:40:46,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:40:46,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:40:46,741 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:40:46,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:46" (1/1) ... [2022-10-17 16:40:46,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:46,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776943d5-3fc6-43f3-a9ac-32b473c507be/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:40:46,778 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776943d5-3fc6-43f3-a9ac-32b473c507be/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:40:46,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_776943d5-3fc6-43f3-a9ac-32b473c507be/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:40:46,832 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:40:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:40:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:40:46,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:40:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:40:46,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:40:46,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:40:46,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:40:46,976 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:40:46,978 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:40:47,511 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:40:47,595 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:40:47,595 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-17 16:40:47,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:40:47 BoogieIcfgContainer [2022-10-17 16:40:47,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:40:47,611 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:40:47,612 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:40:47,622 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:40:47,635 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:40:47" (1/1) ... [2022-10-17 16:40:47,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:40:47,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:47,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 113 states and 121 transitions. [2022-10-17 16:40:47,767 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 121 transitions. [2022-10-17 16:40:47,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:40:47,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:47,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:48,045 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 16:40:48,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:48,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 112 states and 120 transitions. [2022-10-17 16:40:48,100 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 120 transitions. [2022-10-17 16:40:48,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:40:48,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:48,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:48,324 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 16:40:48,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:48,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 111 states and 119 transitions. [2022-10-17 16:40:48,446 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 119 transitions. [2022-10-17 16:40:48,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:40:48,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:48,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:48,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:48,546 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 16:40:48,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:48,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 110 states and 118 transitions. [2022-10-17 16:40:48,579 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 118 transitions. [2022-10-17 16:40:48,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:40:48,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:48,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:48,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:49,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:49,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 109 states and 117 transitions. [2022-10-17 16:40:49,077 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 117 transitions. [2022-10-17 16:40:49,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:40:49,077 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:49,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:49,111 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 16:40:49,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:49,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 108 states and 116 transitions. [2022-10-17 16:40:49,127 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 116 transitions. [2022-10-17 16:40:49,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-17 16:40:49,127 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:49,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:49,204 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 16:40:49,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:49,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 107 states and 115 transitions. [2022-10-17 16:40:49,233 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 115 transitions. [2022-10-17 16:40:49,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:40:49,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:49,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:49,296 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 16:40:49,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:49,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 106 states and 114 transitions. [2022-10-17 16:40:49,314 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 114 transitions. [2022-10-17 16:40:49,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:40:49,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:49,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:49,343 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 16:40:49,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:49,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 105 states and 113 transitions. [2022-10-17 16:40:49,385 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 113 transitions. [2022-10-17 16:40:49,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:40:49,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:49,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:49,414 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 16:40:49,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:49,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 104 states and 112 transitions. [2022-10-17 16:40:49,430 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 112 transitions. [2022-10-17 16:40:49,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:40:49,430 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:49,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:49,483 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 16:40:49,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:49,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 103 states and 111 transitions. [2022-10-17 16:40:49,502 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 111 transitions. [2022-10-17 16:40:49,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:40:49,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:49,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:49,718 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 16:40:50,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:50,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 102 states and 110 transitions. [2022-10-17 16:40:50,249 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 110 transitions. [2022-10-17 16:40:50,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:40:50,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:50,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:50,670 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 16:40:51,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:51,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 101 states and 109 transitions. [2022-10-17 16:40:51,642 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 109 transitions. [2022-10-17 16:40:51,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:40:51,642 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:51,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:51,828 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 16:40:52,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:52,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 100 states and 108 transitions. [2022-10-17 16:40:52,704 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 108 transitions. [2022-10-17 16:40:52,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:40:52,704 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:52,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:53,290 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 16:40:54,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:54,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 99 states and 107 transitions. [2022-10-17 16:40:54,889 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 107 transitions. [2022-10-17 16:40:54,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:40:54,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:54,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:54,932 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 16:40:55,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:55,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 98 states and 106 transitions. [2022-10-17 16:40:55,476 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 106 transitions. [2022-10-17 16:40:55,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:40:55,477 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:55,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:55,529 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 16:40:55,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:55,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 97 states and 105 transitions. [2022-10-17 16:40:55,947 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 105 transitions. [2022-10-17 16:40:55,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:40:55,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:55,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:55,999 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 16:40:56,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:56,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 96 states and 104 transitions. [2022-10-17 16:40:56,021 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 104 transitions. [2022-10-17 16:40:56,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:40:56,021 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:56,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:56,050 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 16:40:56,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:56,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 95 states and 103 transitions. [2022-10-17 16:40:56,063 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 103 transitions. [2022-10-17 16:40:56,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:40:56,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:56,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:56,853 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 16:41:00,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:00,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 94 states and 102 transitions. [2022-10-17 16:41:00,030 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 102 transitions. [2022-10-17 16:41:00,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:41:00,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:00,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:01,090 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 16:41:05,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:05,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 93 states and 101 transitions. [2022-10-17 16:41:05,245 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 101 transitions. [2022-10-17 16:41:05,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:41:05,245 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:05,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:05,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:05,724 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 16:41:07,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:07,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 92 states and 100 transitions. [2022-10-17 16:41:07,093 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 100 transitions. [2022-10-17 16:41:07,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:41:07,094 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:07,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:07,872 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 16:41:09,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:09,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 91 states and 99 transitions. [2022-10-17 16:41:09,801 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 99 transitions. [2022-10-17 16:41:09,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:41:09,804 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:09,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:09,880 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 16:41:09,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:09,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 91 states and 97 transitions. [2022-10-17 16:41:09,901 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 97 transitions. [2022-10-17 16:41:09,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:41:09,902 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:09,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:10,262 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 16:41:11,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:11,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 94 states and 102 transitions. [2022-10-17 16:41:11,329 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 102 transitions. [2022-10-17 16:41:11,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:41:11,330 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:11,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:11,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:11,846 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 16:41:14,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:14,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 97 states and 107 transitions. [2022-10-17 16:41:14,078 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 107 transitions. [2022-10-17 16:41:14,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:41:14,079 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:14,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:14,317 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 16:41:14,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:14,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 99 states and 110 transitions. [2022-10-17 16:41:14,515 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 110 transitions. [2022-10-17 16:41:14,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:41:14,515 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:14,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:14,872 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 16:41:15,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:15,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 101 states and 113 transitions. [2022-10-17 16:41:15,484 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 113 transitions. [2022-10-17 16:41:15,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:41:15,484 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:15,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:17,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.