./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ca430c-9212-4b3c-b097-f8ed64abffbc/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ca430c-9212-4b3c-b097-f8ed64abffbc/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ca430c-9212-4b3c-b097-f8ed64abffbc/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ca430c-9212-4b3c-b097-f8ed64abffbc/bin/ukojak-pZX7IvK2PQ/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ca430c-9212-4b3c-b097-f8ed64abffbc/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ca430c-9212-4b3c-b097-f8ed64abffbc/bin/ukojak-pZX7IvK2PQ --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 b3d7899c651fa61cfb9cf623e0f4ceb470fe32eb0d0272d2277c965ed07c2f88 --- 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-6b4ec56 [2022-11-20 17:12:32,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:12:32,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:12:32,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:12:32,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:12:32,458 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:12:32,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:12:32,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:12:32,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:12:32,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:12:32,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:12:32,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:12:32,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:12:32,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:12:32,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:12:32,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:12:32,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:12:32,493 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:12:32,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:12:32,496 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:12:32,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:12:32,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:12:32,504 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:12:32,505 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:12:32,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:12:32,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:12:32,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:12:32,520 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:12:32,521 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:12:32,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:12:32,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:12:32,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:12:32,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:12:32,524 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:12:32,525 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:12:32,526 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:12:32,526 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:12:32,527 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:12:32,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:12:32,531 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:12:32,532 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:12:32,533 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ca430c-9212-4b3c-b097-f8ed64abffbc/bin/ukojak-pZX7IvK2PQ/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2022-11-20 17:12:32,570 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:12:32,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:12:32,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:12:32,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:12:32,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:12:32,576 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:12:32,576 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:12:32,576 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:12:32,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:12:32,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:12:32,578 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-20 17:12:32,578 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-20 17:12:32,578 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-20 17:12:32,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:12:32,579 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:12:32,579 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:12:32,579 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:12:32,580 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:12:32,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:12:32,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:12:32,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:12:32,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:12:32,581 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:12:32,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:12:32,582 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_12ca430c-9212-4b3c-b097-f8ed64abffbc/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ca430c-9212-4b3c-b097-f8ed64abffbc/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3d7899c651fa61cfb9cf623e0f4ceb470fe32eb0d0272d2277c965ed07c2f88 [2022-11-20 17:12:32,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:12:32,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:12:32,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:12:32,924 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:12:32,925 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:12:32,926 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ca430c-9212-4b3c-b097-f8ed64abffbc/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i [2022-11-20 17:12:35,992 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:12:36,340 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:12:36,347 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ca430c-9212-4b3c-b097-f8ed64abffbc/sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i [2022-11-20 17:12:36,368 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ca430c-9212-4b3c-b097-f8ed64abffbc/bin/ukojak-pZX7IvK2PQ/data/fc9dd73b5/7ac56f51c11840f6b9272c8adb778839/FLAG3b68d1d28 [2022-11-20 17:12:36,383 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ca430c-9212-4b3c-b097-f8ed64abffbc/bin/ukojak-pZX7IvK2PQ/data/fc9dd73b5/7ac56f51c11840f6b9272c8adb778839 [2022-11-20 17:12:36,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:12:36,387 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:12:36,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:12:36,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:12:36,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:12:36,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:12:36" (1/1) ... [2022-11-20 17:12:36,394 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ad54105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:36, skipping insertion in model container [2022-11-20 17:12:36,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:12:36" (1/1) ... [2022-11-20 17:12:36,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:12:36,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:12:36,781 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ca430c-9212-4b3c-b097-f8ed64abffbc/sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i[24038,24051] [2022-11-20 17:12:36,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:12:36,804 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:12:36,871 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ca430c-9212-4b3c-b097-f8ed64abffbc/sv-benchmarks/c/list-simple/sll2n_remove_all_reverse.i[24038,24051] [2022-11-20 17:12:36,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:12:36,898 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:12:36,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:36 WrapperNode [2022-11-20 17:12:36,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:12:36,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:12:36,900 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:12:36,900 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:12:36,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:36" (1/1) ... [2022-11-20 17:12:36,930 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:36" (1/1) ... [2022-11-20 17:12:36,965 INFO L138 Inliner]: procedures = 126, calls = 30, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 108 [2022-11-20 17:12:36,966 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:12:36,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:12:36,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:12:36,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:12:36,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:36" (1/1) ... [2022-11-20 17:12:36,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:36" (1/1) ... [2022-11-20 17:12:36,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:36" (1/1) ... [2022-11-20 17:12:36,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:36" (1/1) ... [2022-11-20 17:12:37,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:36" (1/1) ... [2022-11-20 17:12:37,008 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:36" (1/1) ... [2022-11-20 17:12:37,016 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:36" (1/1) ... [2022-11-20 17:12:37,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:36" (1/1) ... [2022-11-20 17:12:37,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:12:37,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:12:37,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:12:37,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:12:37,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:12:36" (1/1) ... [2022-11-20 17:12:37,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:12:37,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ca430c-9212-4b3c-b097-f8ed64abffbc/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:12:37,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ca430c-9212-4b3c-b097-f8ed64abffbc/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:12:37,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12ca430c-9212-4b3c-b097-f8ed64abffbc/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:12:37,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:12:37,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 17:12:37,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:12:37,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:12:37,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 17:12:37,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 17:12:37,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:12:37,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 17:12:37,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:12:37,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:12:37,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:12:37,246 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:12:37,248 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:12:37,598 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:12:37,646 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:12:37,646 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 17:12:37,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:12:37 BoogieIcfgContainer [2022-11-20 17:12:37,649 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:12:37,650 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:12:37,650 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:12:37,660 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:12:37,661 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:12:37" (1/1) ... [2022-11-20 17:12:37,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:12:37,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:37,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 62 states and 68 transitions. [2022-11-20 17:12:37,725 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 68 transitions. [2022-11-20 17:12:37,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:12:37,727 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:37,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:37,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:12:38,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:38,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 63 states and 70 transitions. [2022-11-20 17:12:38,023 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 70 transitions. [2022-11-20 17:12:38,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:12:38,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:38,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:38,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:12:38,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:38,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 62 states and 69 transitions. [2022-11-20 17:12:38,137 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 69 transitions. [2022-11-20 17:12:38,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-20 17:12:38,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:38,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:38,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:12:38,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:38,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 61 states and 68 transitions. [2022-11-20 17:12:38,381 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 68 transitions. [2022-11-20 17:12:38,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:12:38,384 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:38,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:38,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:12:38,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:38,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 60 states and 67 transitions. [2022-11-20 17:12:38,495 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 67 transitions. [2022-11-20 17:12:38,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 17:12:38,496 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:38,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:38,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:12:38,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:38,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 59 states and 66 transitions. [2022-11-20 17:12:38,781 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2022-11-20 17:12:38,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:12:38,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:38,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:38,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:12:38,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:38,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 58 states and 65 transitions. [2022-11-20 17:12:38,886 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2022-11-20 17:12:38,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 17:12:38,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:38,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:39,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:12:39,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:39,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 57 states and 64 transitions. [2022-11-20 17:12:39,245 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2022-11-20 17:12:39,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:12:39,246 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:39,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:39,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:12:39,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:39,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 62 states and 70 transitions. [2022-11-20 17:12:39,784 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 70 transitions. [2022-11-20 17:12:39,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:12:39,785 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:39,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:39,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:39,967 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 17:12:41,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:41,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 63 states and 72 transitions. [2022-11-20 17:12:41,179 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2022-11-20 17:12:41,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:12:41,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:41,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:41,697 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 17:12:43,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:43,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 65 states and 76 transitions. [2022-11-20 17:12:43,839 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 76 transitions. [2022-11-20 17:12:43,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:12:43,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:43,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:44,613 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:12:48,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:48,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 67 states and 80 transitions. [2022-11-20 17:12:48,078 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2022-11-20 17:12:48,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:12:48,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:48,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:48,622 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:12:50,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:50,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 70 states and 86 transitions. [2022-11-20 17:12:50,228 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 86 transitions. [2022-11-20 17:12:50,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:12:50,228 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:50,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:51,150 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:12:54,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:54,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 73 states and 92 transitions. [2022-11-20 17:12:54,469 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 92 transitions. [2022-11-20 17:12:54,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:12:54,470 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:54,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:54,518 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 17:12:55,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:55,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 75 states and 96 transitions. [2022-11-20 17:12:55,031 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 96 transitions. [2022-11-20 17:12:55,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:12:55,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:55,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:55,459 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 17:12:56,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:56,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 78 states and 101 transitions. [2022-11-20 17:12:56,326 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 101 transitions. [2022-11-20 17:12:56,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:12:56,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:56,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:56,370 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 17:12:56,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:56,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 79 states and 102 transitions. [2022-11-20 17:12:56,384 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions. [2022-11-20 17:12:56,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 17:12:56,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:56,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:56,543 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 17:12:56,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:56,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 80 states and 103 transitions. [2022-11-20 17:12:56,561 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 103 transitions. [2022-11-20 17:12:56,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:12:56,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:56,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:56,945 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:12:58,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:12:58,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 83 states and 110 transitions. [2022-11-20 17:12:58,541 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 110 transitions. [2022-11-20 17:12:58,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:12:58,542 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:12:58,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:12:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:12:58,905 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 17:13:00,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:00,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 86 states and 116 transitions. [2022-11-20 17:13:00,915 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 116 transitions. [2022-11-20 17:13:00,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 17:13:00,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:00,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:00,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:01,806 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:13:03,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:03,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 88 states and 119 transitions. [2022-11-20 17:13:03,144 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 119 transitions. [2022-11-20 17:13:03,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:13:03,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:03,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:03,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:04,340 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:13:11,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:11,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 95 states and 132 transitions. [2022-11-20 17:13:11,825 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 132 transitions. [2022-11-20 17:13:11,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:13:11,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:11,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:14,629 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:13:27,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:27,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 102 states and 148 transitions. [2022-11-20 17:13:27,145 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 148 transitions. [2022-11-20 17:13:27,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:13:27,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:27,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:27,181 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 17:13:27,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:27,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 103 states and 150 transitions. [2022-11-20 17:13:27,985 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 150 transitions. [2022-11-20 17:13:27,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:13:27,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:27,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:28,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:28,641 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:13:30,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:30,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 105 states and 157 transitions. [2022-11-20 17:13:30,997 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 157 transitions. [2022-11-20 17:13:30,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:13:30,998 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:30,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:31,307 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 17:13:34,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:34,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 109 states and 163 transitions. [2022-11-20 17:13:34,390 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 163 transitions. [2022-11-20 17:13:34,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:13:34,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:34,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:13:38,083 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:13:58,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:13:58,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 117 states and 182 transitions. [2022-11-20 17:13:58,312 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 182 transitions. [2022-11-20 17:13:58,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:13:58,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:13:58,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:13:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:14:00,693 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:14:22,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:14:22,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 125 states and 201 transitions. [2022-11-20 17:14:22,128 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 201 transitions. [2022-11-20 17:14:22,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:14:22,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:14:22,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:14:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:14:25,045 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:14:52,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:14:52,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 140 states and 229 transitions. [2022-11-20 17:14:52,434 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 229 transitions. [2022-11-20 17:14:52,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:14:52,435 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:14:52,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:14:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:14:52,575 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 17:14:57,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:14:57,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 144 states and 234 transitions. [2022-11-20 17:14:57,177 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 234 transitions. [2022-11-20 17:14:57,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:14:57,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:14:57,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:14:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:14:57,662 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 17:15:02,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:15:02,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 147 states and 246 transitions. [2022-11-20 17:15:02,808 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 246 transitions. [2022-11-20 17:15:02,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:15:02,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:15:02,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:15:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:15:03,445 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:15:12,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:15:12,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 152 states and 267 transitions. [2022-11-20 17:15:12,446 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 267 transitions. [2022-11-20 17:15:12,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:15:12,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:15:12,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:15:12,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:15:12,541 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 17:15:14,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:15:14,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 152 states and 266 transitions. [2022-11-20 17:15:14,041 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 266 transitions. [2022-11-20 17:15:14,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 17:15:14,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:15:14,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:15:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:15:14,524 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 17:15:18,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:15:18,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 153 states and 269 transitions. [2022-11-20 17:15:18,155 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 269 transitions. [2022-11-20 17:15:18,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:15:18,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:15:18,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:15:18,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:15:25,322 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:16:06,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:16:06,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 172 states and 315 transitions. [2022-11-20 17:16:06,473 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 315 transitions. [2022-11-20 17:16:06,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:16:06,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:16:06,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:16:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:16:07,247 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:16:11,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:16:11,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 175 states and 319 transitions. [2022-11-20 17:16:11,479 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 319 transitions. [2022-11-20 17:16:11,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:16:11,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:16:11,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:16:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:16:12,906 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:16:17,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:16:17,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 177 states and 324 transitions. [2022-11-20 17:16:17,933 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 324 transitions. [2022-11-20 17:16:17,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:16:17,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:16:17,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:16:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:16:18,491 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 17:16:37,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:16:37,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 184 states and 342 transitions. [2022-11-20 17:16:37,854 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 342 transitions. [2022-11-20 17:16:37,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:16:37,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:16:37,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:16:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:16:38,379 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 17:16:59,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:16:59,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 194 states and 364 transitions. [2022-11-20 17:16:59,783 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 364 transitions. [2022-11-20 17:16:59,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:16:59,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:16:59,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:16:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:17:01,054 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 17:17:23,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:17:23,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 202 states and 385 transitions. [2022-11-20 17:17:23,377 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 385 transitions. [2022-11-20 17:17:23,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 17:17:23,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:17:23,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:17:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:17:23,452 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 17:17:25,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:17:25,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 203 states and 385 transitions. [2022-11-20 17:17:25,264 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 385 transitions. [2022-11-20 17:17:25,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:17:25,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:17:25,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:17:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:17:29,984 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:18:27,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:18:27,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 221 states and 432 transitions. [2022-11-20 17:18:27,561 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 432 transitions. [2022-11-20 17:18:27,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-20 17:18:27,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:18:27,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:18:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:18:34,570 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:19:16,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:16,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 231 states and 447 transitions. [2022-11-20 17:19:16,812 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 447 transitions. [2022-11-20 17:19:16,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:19:16,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:16,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:16,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:16,850 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-20 17:19:23,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:23,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 234 states and 454 transitions. [2022-11-20 17:19:23,866 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 454 transitions. [2022-11-20 17:19:23,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:19:23,867 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:23,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:24,734 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-20 17:19:35,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:19:35,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 206 states and 396 transitions. [2022-11-20 17:19:35,921 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 396 transitions. [2022-11-20 17:19:35,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:19:35,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:19:35,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:19:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:19:36,070 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 17:20:07,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:20:07,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 217 states and 430 transitions. [2022-11-20 17:20:07,176 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 430 transitions. [2022-11-20 17:20:07,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:20:07,177 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:20:07,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:20:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:20:11,174 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-20 17:21:22,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:21:22,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 232 states and 463 transitions. [2022-11-20 17:21:22,579 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 463 transitions. [2022-11-20 17:21:22,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:21:22,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:21:22,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:21:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:21:22,631 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-20 17:21:57,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:21:57,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 242 states and 489 transitions. [2022-11-20 17:21:57,996 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 489 transitions. [2022-11-20 17:21:57,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:21:57,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:21:57,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:21:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:22:04,850 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:22:58,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:22:58,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 254 states and 523 transitions. [2022-11-20 17:22:58,946 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 523 transitions. [2022-11-20 17:22:58,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-20 17:22:58,947 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:22:58,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:22:58,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:23:09,731 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:24:05,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:24:05,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 265 states and 554 transitions. [2022-11-20 17:24:05,280 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 554 transitions. [2022-11-20 17:24:05,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-20 17:24:05,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:24:05,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:24:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:24:12,429 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:25:07,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:07,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 277 states and 586 transitions. [2022-11-20 17:25:07,639 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 586 transitions. [2022-11-20 17:25:07,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 17:25:07,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:07,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:25:22,830 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:25:52,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:25:52,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 281 states and 598 transitions. [2022-11-20 17:25:52,810 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 598 transitions. [2022-11-20 17:25:52,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 17:25:52,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:25:52,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:25:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:00,088 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-20 17:26:13,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:13,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 283 states and 602 transitions. [2022-11-20 17:26:13,447 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 602 transitions. [2022-11-20 17:26:13,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 17:26:13,448 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:13,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:13,482 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-20 17:26:16,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:26:16,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 283 states and 601 transitions. [2022-11-20 17:26:16,690 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 601 transitions. [2022-11-20 17:26:16,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-20 17:26:16,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:26:16,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:26:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:26:16,733 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.