./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext/tree_stack.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_a5af4556-cd3c-465a-8ca1-cd1311409e72/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5af4556-cd3c-465a-8ca1-cd1311409e72/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_a5af4556-cd3c-465a-8ca1-cd1311409e72/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5af4556-cd3c-465a-8ca1-cd1311409e72/bin/ukojak-92XMlrwhuB/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext/tree_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5af4556-cd3c-465a-8ca1-cd1311409e72/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_a5af4556-cd3c-465a-8ca1-cd1311409e72/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 882715956aab9fc92fb711e54ed51d64e792658e5015ed6151f84b857454f04c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:39:54,424 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:39:54,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:39:54,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:39:54,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:39:54,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:39:54,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:39:54,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:39:54,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:39:54,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:39:54,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:39:54,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:39:54,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:39:54,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:39:54,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:39:54,515 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:39:54,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:39:54,518 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:39:54,521 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:39:54,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:39:54,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:39:54,533 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:39:54,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:39:54,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:39:54,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:39:54,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:39:54,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:39:54,552 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:39:54,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:39:54,554 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:39:54,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:39:54,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:39:54,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:39:54,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:39:54,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:39:54,561 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:39:54,561 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:39:54,562 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:39:54,562 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:39:54,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:39:54,564 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:39:54,564 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5af4556-cd3c-465a-8ca1-cd1311409e72/bin/ukojak-92XMlrwhuB/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-10-17 16:39:54,605 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:39:54,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:39:54,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:39:54,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:39:54,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:39:54,608 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:39:54,608 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:39:54,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:39:54,609 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:39:54,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:39:54,610 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-10-17 16:39:54,610 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-10-17 16:39:54,610 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-10-17 16:39:54,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:39:54,611 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:39:54,611 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:39:54,611 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:39:54,611 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:39:54,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:39:54,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:54,612 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:39:54,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:39:54,612 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:39:54,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:39:54,613 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_a5af4556-cd3c-465a-8ca1-cd1311409e72/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5af4556-cd3c-465a-8ca1-cd1311409e72/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 882715956aab9fc92fb711e54ed51d64e792658e5015ed6151f84b857454f04c [2022-10-17 16:39:54,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:39:55,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:39:55,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:39:55,008 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:39:55,009 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:39:55,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5af4556-cd3c-465a-8ca1-cd1311409e72/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/memsafety-ext/tree_stack.i [2022-10-17 16:39:55,086 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5af4556-cd3c-465a-8ca1-cd1311409e72/bin/ukojak-92XMlrwhuB/data/2d28739df/d1dd2f7a32ed4d58babf8e36e6b54aa0/FLAG82f9410ab [2022-10-17 16:39:55,621 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:39:55,621 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5af4556-cd3c-465a-8ca1-cd1311409e72/sv-benchmarks/c/memsafety-ext/tree_stack.i [2022-10-17 16:39:55,634 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5af4556-cd3c-465a-8ca1-cd1311409e72/bin/ukojak-92XMlrwhuB/data/2d28739df/d1dd2f7a32ed4d58babf8e36e6b54aa0/FLAG82f9410ab [2022-10-17 16:39:55,905 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5af4556-cd3c-465a-8ca1-cd1311409e72/bin/ukojak-92XMlrwhuB/data/2d28739df/d1dd2f7a32ed4d58babf8e36e6b54aa0 [2022-10-17 16:39:55,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:39:55,908 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:39:55,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:55,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:39:55,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:39:55,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:55" (1/1) ... [2022-10-17 16:39:55,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c35bb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:55, skipping insertion in model container [2022-10-17 16:39:55,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:39:55" (1/1) ... [2022-10-17 16:39:55,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:39:55,958 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:39:56,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:56,371 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:39:56,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:39:56,471 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:39:56,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:56 WrapperNode [2022-10-17 16:39:56,472 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:39:56,473 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:56,474 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:39:56,474 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:39:56,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:56" (1/1) ... [2022-10-17 16:39:56,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:56" (1/1) ... [2022-10-17 16:39:56,562 INFO L138 Inliner]: procedures = 123, calls = 44, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 142 [2022-10-17 16:39:56,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:39:56,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:39:56,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:39:56,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:39:56,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:56" (1/1) ... [2022-10-17 16:39:56,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:56" (1/1) ... [2022-10-17 16:39:56,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:56" (1/1) ... [2022-10-17 16:39:56,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:56" (1/1) ... [2022-10-17 16:39:56,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:56" (1/1) ... [2022-10-17 16:39:56,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:56" (1/1) ... [2022-10-17 16:39:56,623 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:56" (1/1) ... [2022-10-17 16:39:56,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:56" (1/1) ... [2022-10-17 16:39:56,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:39:56,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:39:56,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:39:56,638 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:39:56,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:39:56" (1/1) ... [2022-10-17 16:39:56,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:39:56,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5af4556-cd3c-465a-8ca1-cd1311409e72/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:39:56,679 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5af4556-cd3c-465a-8ca1-cd1311409e72/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:39:56,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5af4556-cd3c-465a-8ca1-cd1311409e72/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:39:56,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:39:56,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:39:56,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 16:39:56,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 16:39:56,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:39:56,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:39:56,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:39:56,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:39:56,871 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:39:56,873 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:39:57,440 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:39:57,498 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:39:57,498 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:39:57,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:57 BoogieIcfgContainer [2022-10-17 16:39:57,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:39:57,502 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:39:57,502 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:39:57,512 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:39:57,513 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:39:57" (1/1) ... [2022-10-17 16:39:57,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:39:57,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:57,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 117 states and 127 transitions. [2022-10-17 16:39:57,604 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 127 transitions. [2022-10-17 16:39:57,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:39:57,606 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:57,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:57,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:57,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:57,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:57,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 116 states and 126 transitions. [2022-10-17 16:39:57,845 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 126 transitions. [2022-10-17 16:39:57,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2022-10-17 16:39:57,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:57,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:57,999 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 16:39:58,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:58,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 115 states and 125 transitions. [2022-10-17 16:39:58,077 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 125 transitions. [2022-10-17 16:39:58,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:39:58,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:58,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:58,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:58,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:58,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 114 states and 124 transitions. [2022-10-17 16:39:58,136 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 124 transitions. [2022-10-17 16:39:58,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-10-17 16:39:58,136 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:58,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:58,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:58,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:58,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 113 states and 123 transitions. [2022-10-17 16:39:58,407 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 123 transitions. [2022-10-17 16:39:58,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:39:58,409 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:58,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:58,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:58,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:58,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 113 states and 122 transitions. [2022-10-17 16:39:58,478 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 122 transitions. [2022-10-17 16:39:58,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:39:58,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:58,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:58,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:58,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:58,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:58,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 116 states and 129 transitions. [2022-10-17 16:39:58,634 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 129 transitions. [2022-10-17 16:39:58,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:39:58,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:58,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:58,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:58,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:58,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 119 states and 137 transitions. [2022-10-17 16:39:58,923 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 137 transitions. [2022-10-17 16:39:58,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:39:58,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:58,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:59,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:59,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:59,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 118 states and 136 transitions. [2022-10-17 16:39:59,071 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 136 transitions. [2022-10-17 16:39:59,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:39:59,072 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:59,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:59,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:59,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:59,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 117 states and 135 transitions. [2022-10-17 16:39:59,355 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2022-10-17 16:39:59,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:39:59,356 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:59,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:59,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:59,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:59,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 116 states and 134 transitions. [2022-10-17 16:39:59,421 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2022-10-17 16:39:59,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:39:59,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:59,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:59,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:39:59,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:39:59,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:39:59,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 115 states and 133 transitions. [2022-10-17 16:39:59,838 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 133 transitions. [2022-10-17 16:39:59,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:39:59,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:39:59,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:39:59,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:00,138 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 16:40:00,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:00,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 119 states and 142 transitions. [2022-10-17 16:40:00,839 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 142 transitions. [2022-10-17 16:40:00,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:40:00,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:00,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:00,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:00,862 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 16:40:01,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:01,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 118 states and 141 transitions. [2022-10-17 16:40:01,016 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 141 transitions. [2022-10-17 16:40:01,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:40:01,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:01,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:01,087 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 16:40:01,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:01,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 120 states and 144 transitions. [2022-10-17 16:40:01,493 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 144 transitions. [2022-10-17 16:40:01,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:40:01,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:01,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:01,527 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 16:40:01,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:01,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 122 states and 148 transitions. [2022-10-17 16:40:01,550 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 148 transitions. [2022-10-17 16:40:01,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:40:01,552 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:01,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:01,704 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 16:40:02,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:02,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 124 states and 152 transitions. [2022-10-17 16:40:02,019 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 152 transitions. [2022-10-17 16:40:02,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:40:02,019 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:02,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:02,102 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 16:40:02,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:02,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 125 states and 153 transitions. [2022-10-17 16:40:02,534 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 153 transitions. [2022-10-17 16:40:02,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:40:02,534 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:02,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:02,652 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 16:40:02,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:02,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 126 states and 154 transitions. [2022-10-17 16:40:02,780 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 154 transitions. [2022-10-17 16:40:02,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:40:02,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:02,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:02,951 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 16:40:03,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:03,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 127 states and 156 transitions. [2022-10-17 16:40:03,327 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 156 transitions. [2022-10-17 16:40:03,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:40:03,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:03,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:03,462 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 16:40:04,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:04,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 130 states and 161 transitions. [2022-10-17 16:40:04,215 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 161 transitions. [2022-10-17 16:40:04,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:40:04,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:04,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:04,266 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 16:40:04,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:04,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 129 states and 160 transitions. [2022-10-17 16:40:04,284 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 160 transitions. [2022-10-17 16:40:04,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:40:04,284 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:04,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:04,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:05,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:05,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 134 states and 166 transitions. [2022-10-17 16:40:05,232 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 166 transitions. [2022-10-17 16:40:05,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:40:05,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:05,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:05,256 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 16:40:05,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:05,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 135 states and 168 transitions. [2022-10-17 16:40:05,271 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 168 transitions. [2022-10-17 16:40:05,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:40:05,272 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:05,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:05,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:05,539 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 16:40:07,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:07,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 143 states and 184 transitions. [2022-10-17 16:40:07,084 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 184 transitions. [2022-10-17 16:40:07,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:40:07,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:07,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:07,191 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 16:40:07,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:07,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 144 states and 185 transitions. [2022-10-17 16:40:07,261 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 185 transitions. [2022-10-17 16:40:07,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:40:07,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:07,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:07,285 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 16:40:07,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:07,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 143 states and 184 transitions. [2022-10-17 16:40:07,299 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 184 transitions. [2022-10-17 16:40:07,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:40:07,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:07,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:07,556 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 16:40:08,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:08,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 145 states and 188 transitions. [2022-10-17 16:40:08,380 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 188 transitions. [2022-10-17 16:40:08,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:40:08,381 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:08,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:08,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:08,669 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 16:40:10,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:10,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 150 states and 196 transitions. [2022-10-17 16:40:10,239 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 196 transitions. [2022-10-17 16:40:10,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:40:10,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:10,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:10,600 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 16:40:11,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:11,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 152 states and 200 transitions. [2022-10-17 16:40:11,397 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 200 transitions. [2022-10-17 16:40:11,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:40:11,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:11,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:11,825 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 16:40:13,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:13,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 154 states and 204 transitions. [2022-10-17 16:40:13,092 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 204 transitions. [2022-10-17 16:40:13,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:40:13,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:13,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:13,172 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 16:40:13,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:13,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 153 states and 203 transitions. [2022-10-17 16:40:13,194 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 203 transitions. [2022-10-17 16:40:13,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:40:13,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:13,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:13,318 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 16:40:13,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:13,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 155 states and 211 transitions. [2022-10-17 16:40:13,374 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 211 transitions. [2022-10-17 16:40:13,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:40:13,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:13,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:13,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:13,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:14,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:14,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 154 states and 210 transitions. [2022-10-17 16:40:14,133 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 210 transitions. [2022-10-17 16:40:14,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:40:14,134 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:14,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:14,184 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 16:40:14,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:14,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 155 states and 212 transitions. [2022-10-17 16:40:14,504 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 212 transitions. [2022-10-17 16:40:14,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:40:14,504 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:14,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:14,668 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 16:40:15,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:15,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 156 states and 213 transitions. [2022-10-17 16:40:15,217 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 213 transitions. [2022-10-17 16:40:15,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:40:15,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:15,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:15,367 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 16:40:15,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:15,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 157 states and 215 transitions. [2022-10-17 16:40:15,392 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 215 transitions. [2022-10-17 16:40:15,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:40:15,392 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:15,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:15,419 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 16:40:15,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:15,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 157 states and 214 transitions. [2022-10-17 16:40:15,599 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 214 transitions. [2022-10-17 16:40:15,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:40:15,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:15,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:16,852 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 16:40:20,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:20,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 167 states and 232 transitions. [2022-10-17 16:40:20,780 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 232 transitions. [2022-10-17 16:40:20,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:40:20,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:20,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:21,900 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 16:40:27,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:27,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 177 states and 249 transitions. [2022-10-17 16:40:27,170 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 249 transitions. [2022-10-17 16:40:27,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:40:27,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:27,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat