./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/rev-3-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df13b61d-a2f4-4155-ac1f-cccf8c671c48/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df13b61d-a2f4-4155-ac1f-cccf8c671c48/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_df13b61d-a2f4-4155-ac1f-cccf8c671c48/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df13b61d-a2f4-4155-ac1f-cccf8c671c48/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/rev-3-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df13b61d-a2f4-4155-ac1f-cccf8c671c48/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df13b61d-a2f4-4155-ac1f-cccf8c671c48/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fe3cf414f0e241a9a4e73e59647cf6619ea50b905df4a1c2a404b3413992b780 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:05:58,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:05:58,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:05:58,376 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:05:58,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:05:58,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:05:58,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:05:58,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:05:58,393 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:05:58,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:05:58,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:05:58,402 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:05:58,403 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:05:58,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:05:58,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:05:58,410 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:05:58,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:05:58,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:05:58,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:05:58,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:05:58,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:05:58,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:05:58,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:05:58,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:05:58,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:05:58,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:05:58,442 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:05:58,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:05:58,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:05:58,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:05:58,447 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:05:58,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:05:58,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:05:58,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:05:58,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:05:58,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:05:58,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:05:58,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:05:58,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:05:58,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:05:58,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:05:58,471 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df13b61d-a2f4-4155-ac1f-cccf8c671c48/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:05:58,528 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:05:58,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:05:58,530 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:05:58,530 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:05:58,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:05:58,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:05:58,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:05:58,532 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:05:58,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:05:58,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:05:58,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:05:58,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:05:58,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:05:58,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:05:58,534 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:05:58,535 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:05:58,535 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:05:58,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:05:58,535 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:05:58,536 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:05:58,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:05:58,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:05:58,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:05:58,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:05:58,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:05:58,537 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:05:58,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:05:58,539 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:05:58,539 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_df13b61d-a2f4-4155-ac1f-cccf8c671c48/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df13b61d-a2f4-4155-ac1f-cccf8c671c48/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe3cf414f0e241a9a4e73e59647cf6619ea50b905df4a1c2a404b3413992b780 [2022-10-17 17:05:58,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:05:58,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:05:58,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:05:58,822 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:05:58,823 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:05:58,824 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df13b61d-a2f4-4155-ac1f-cccf8c671c48/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-multidimensional/rev-3-u.c [2022-10-17 17:05:58,892 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df13b61d-a2f4-4155-ac1f-cccf8c671c48/bin/ukojak-92XMlrwhuB/data/44bb73bca/ae57e3cc9ff94fcb9a2cb9e763af8195/FLAG54b700f8f [2022-10-17 17:05:59,346 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:05:59,347 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df13b61d-a2f4-4155-ac1f-cccf8c671c48/sv-benchmarks/c/array-multidimensional/rev-3-u.c [2022-10-17 17:05:59,353 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df13b61d-a2f4-4155-ac1f-cccf8c671c48/bin/ukojak-92XMlrwhuB/data/44bb73bca/ae57e3cc9ff94fcb9a2cb9e763af8195/FLAG54b700f8f [2022-10-17 17:05:59,731 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df13b61d-a2f4-4155-ac1f-cccf8c671c48/bin/ukojak-92XMlrwhuB/data/44bb73bca/ae57e3cc9ff94fcb9a2cb9e763af8195 [2022-10-17 17:05:59,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:05:59,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:05:59,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:05:59,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:05:59,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:05:59,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:59" (1/1) ... [2022-10-17 17:05:59,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@548c2c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:05:59, skipping insertion in model container [2022-10-17 17:05:59,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:05:59" (1/1) ... [2022-10-17 17:05:59,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:05:59,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:05:59,947 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df13b61d-a2f4-4155-ac1f-cccf8c671c48/sv-benchmarks/c/array-multidimensional/rev-3-u.c[319,332] [2022-10-17 17:05:59,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:05:59,982 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:05:59,994 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df13b61d-a2f4-4155-ac1f-cccf8c671c48/sv-benchmarks/c/array-multidimensional/rev-3-u.c[319,332] [2022-10-17 17:06:00,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:06:00,021 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:06:00,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:00 WrapperNode [2022-10-17 17:06:00,022 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:06:00,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:06:00,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:06:00,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:06:00,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:00" (1/1) ... [2022-10-17 17:06:00,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:00" (1/1) ... [2022-10-17 17:06:00,060 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 106 [2022-10-17 17:06:00,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:06:00,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:06:00,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:06:00,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:06:00,070 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:00" (1/1) ... [2022-10-17 17:06:00,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:00" (1/1) ... [2022-10-17 17:06:00,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:00" (1/1) ... [2022-10-17 17:06:00,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:00" (1/1) ... [2022-10-17 17:06:00,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:00" (1/1) ... [2022-10-17 17:06:00,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:00" (1/1) ... [2022-10-17 17:06:00,085 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:00" (1/1) ... [2022-10-17 17:06:00,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:00" (1/1) ... [2022-10-17 17:06:00,089 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:06:00,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:06:00,090 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:06:00,090 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:06:00,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:06:00" (1/1) ... [2022-10-17 17:06:00,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:06:00,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df13b61d-a2f4-4155-ac1f-cccf8c671c48/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:06:00,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df13b61d-a2f4-4155-ac1f-cccf8c671c48/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:06:00,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df13b61d-a2f4-4155-ac1f-cccf8c671c48/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:06:00,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:06:00,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:06:00,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:06:00,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:06:00,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:06:00,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:06:00,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:06:00,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:06:00,256 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:06:00,258 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:06:00,467 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:06:00,545 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:06:00,545 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-10-17 17:06:00,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:06:00 BoogieIcfgContainer [2022-10-17 17:06:00,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:06:00,549 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:06:00,549 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:06:00,590 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:06:00,590 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:06:00" (1/1) ... [2022-10-17 17:06:00,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:06:00,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:00,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 15 states and 24 transitions. [2022-10-17 17:06:00,683 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2022-10-17 17:06:00,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:06:00,686 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:00,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:00,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:00,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:06:00,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:01,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:01,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:01,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2022-10-17 17:06:01,080 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2022-10-17 17:06:01,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:06:01,081 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:01,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:01,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:06:01,168 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:01,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:01,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:01,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 17 states and 28 transitions. [2022-10-17 17:06:01,272 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 28 transitions. [2022-10-17 17:06:01,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:06:01,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:01,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:01,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:06:01,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:01,377 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:01,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:01,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 18 states and 31 transitions. [2022-10-17 17:06:01,413 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 31 transitions. [2022-10-17 17:06:01,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:06:01,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:01,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:01,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 17:06:01,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:01,491 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:01,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:01,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 19 states and 32 transitions. [2022-10-17 17:06:01,558 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 32 transitions. [2022-10-17 17:06:01,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:06:01,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:01,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:01,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 17:06:01,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:01,642 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:01,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:01,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 20 states and 33 transitions. [2022-10-17 17:06:01,722 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 33 transitions. [2022-10-17 17:06:01,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:06:01,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:01,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:01,786 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 17:06:01,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:01,858 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:01,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:01,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2022-10-17 17:06:01,936 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2022-10-17 17:06:01,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:06:01,937 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:01,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:01,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 17:06:01,997 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:02,066 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:02,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:02,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 22 states and 35 transitions. [2022-10-17 17:06:02,152 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 35 transitions. [2022-10-17 17:06:02,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:06:02,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:02,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:02,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:02,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 17:06:02,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:02,287 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:02,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:02,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2022-10-17 17:06:02,380 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2022-10-17 17:06:02,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:06:02,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:02,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:02,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 17:06:02,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:02,553 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:02,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:02,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 24 states and 37 transitions. [2022-10-17 17:06:02,651 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 37 transitions. [2022-10-17 17:06:02,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:06:02,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:02,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:02,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 17:06:02,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:02,789 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:02,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:02,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2022-10-17 17:06:02,897 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2022-10-17 17:06:02,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:06:02,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:02,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:02,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:06:02,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:03,041 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:03,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:03,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2022-10-17 17:06:03,143 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2022-10-17 17:06:03,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:06:03,144 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:03,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:03,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 17:06:03,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:03,296 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:03,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:03,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2022-10-17 17:06:03,385 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2022-10-17 17:06:03,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:06:03,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:03,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:03,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 17:06:03,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:03,517 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:03,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:03,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2022-10-17 17:06:03,620 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2022-10-17 17:06:03,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:06:03,621 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:03,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:03,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-17 17:06:03,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:03,761 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:03,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:03,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2022-10-17 17:06:03,884 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2022-10-17 17:06:03,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 17:06:03,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:03,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:03,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 17:06:03,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:04,063 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:04,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:04,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2022-10-17 17:06:04,184 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2022-10-17 17:06:04,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 17:06:04,186 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:04,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:04,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 17:06:04,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:04,360 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 2 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:04,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:04,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2022-10-17 17:06:04,486 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2022-10-17 17:06:04,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 17:06:04,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:04,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:04,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 17:06:04,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:04,695 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 2 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:04,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:04,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2022-10-17 17:06:04,817 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2022-10-17 17:06:04,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 17:06:04,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:04,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:04,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 17:06:04,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:05,007 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 2 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:05,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:05,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2022-10-17 17:06:05,132 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2022-10-17 17:06:05,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 17:06:05,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:05,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:05,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:05,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 17:06:05,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:05,308 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 2 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:05,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:05,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 34 states and 47 transitions. [2022-10-17 17:06:05,454 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 47 transitions. [2022-10-17 17:06:05,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 17:06:05,455 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:05,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:05,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-17 17:06:05,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:05,634 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 2 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:05,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:05,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 48 transitions. [2022-10-17 17:06:05,761 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2022-10-17 17:06:05,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 17:06:05,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:05,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:05,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 17:06:05,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:05,950 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 2 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:06,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:06,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 36 states and 49 transitions. [2022-10-17 17:06:06,080 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2022-10-17 17:06:06,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 17:06:06,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:06,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:06,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-17 17:06:06,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:06,278 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 2 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:06,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:06,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 37 states and 50 transitions. [2022-10-17 17:06:06,420 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2022-10-17 17:06:06,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 17:06:06,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:06,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:06,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 17:06:06,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:06,607 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:06,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:06,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 38 states and 51 transitions. [2022-10-17 17:06:06,744 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2022-10-17 17:06:06,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 17:06:06,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:06,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:06,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 17:06:06,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:06,982 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 2 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:07,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:07,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 39 states and 52 transitions. [2022-10-17 17:06:07,132 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2022-10-17 17:06:07,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 17:06:07,132 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:07,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:07,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:07,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 17:06:07,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:07,360 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 2 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:07,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:07,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 40 states and 53 transitions. [2022-10-17 17:06:07,501 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2022-10-17 17:06:07,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 17:06:07,502 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:07,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:07,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 26 conjunts are in the unsatisfiable core [2022-10-17 17:06:07,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:07,710 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 2 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:07,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:07,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 41 states and 54 transitions. [2022-10-17 17:06:07,857 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2022-10-17 17:06:07,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 17:06:07,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:07,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:07,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 17:06:07,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:08,086 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 2 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:08,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:08,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 55 transitions. [2022-10-17 17:06:08,235 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2022-10-17 17:06:08,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 17:06:08,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:08,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:08,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-17 17:06:08,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:08,465 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 2 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:08,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:08,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 43 states and 56 transitions. [2022-10-17 17:06:08,626 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2022-10-17 17:06:08,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 17:06:08,626 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:08,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:08,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 29 conjunts are in the unsatisfiable core [2022-10-17 17:06:08,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:08,886 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 2 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:09,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:09,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 57 transitions. [2022-10-17 17:06:09,045 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2022-10-17 17:06:09,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 17:06:09,046 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:09,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:09,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 30 conjunts are in the unsatisfiable core [2022-10-17 17:06:09,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:09,300 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 2 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:09,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:09,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 45 states and 58 transitions. [2022-10-17 17:06:09,473 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 58 transitions. [2022-10-17 17:06:09,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:06:09,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:09,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:09,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 31 conjunts are in the unsatisfiable core [2022-10-17 17:06:09,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:09,739 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 2 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:09,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:09,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 46 states and 59 transitions. [2022-10-17 17:06:09,906 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2022-10-17 17:06:09,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 17:06:09,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:09,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:09,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 32 conjunts are in the unsatisfiable core [2022-10-17 17:06:09,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:10,144 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 2 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:10,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:10,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2022-10-17 17:06:10,312 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2022-10-17 17:06:10,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 17:06:10,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:10,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:10,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 33 conjunts are in the unsatisfiable core [2022-10-17 17:06:10,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:10,597 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 2 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:10,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:10,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 61 transitions. [2022-10-17 17:06:10,772 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2022-10-17 17:06:10,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 17:06:10,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:10,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:10,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 34 conjunts are in the unsatisfiable core [2022-10-17 17:06:10,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:11,055 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 2 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:11,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:11,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 49 states and 62 transitions. [2022-10-17 17:06:11,234 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions. [2022-10-17 17:06:11,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 17:06:11,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:11,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:11,326 INFO L263 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 35 conjunts are in the unsatisfiable core [2022-10-17 17:06:11,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:11,512 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 2 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:11,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:11,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 63 transitions. [2022-10-17 17:06:11,714 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2022-10-17 17:06:11,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 17:06:11,715 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:11,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:11,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 36 conjunts are in the unsatisfiable core [2022-10-17 17:06:11,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:12,001 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 2 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:12,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:12,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 51 states and 64 transitions. [2022-10-17 17:06:12,181 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 64 transitions. [2022-10-17 17:06:12,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 17:06:12,184 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:12,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:12,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 37 conjunts are in the unsatisfiable core [2022-10-17 17:06:12,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:12,481 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 2 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:12,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:12,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 52 states and 65 transitions. [2022-10-17 17:06:12,683 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 65 transitions. [2022-10-17 17:06:12,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 17:06:12,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:12,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:12,806 INFO L263 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 38 conjunts are in the unsatisfiable core [2022-10-17 17:06:12,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:13,011 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 2 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:13,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:13,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 53 states and 66 transitions. [2022-10-17 17:06:13,201 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2022-10-17 17:06:13,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 17:06:13,201 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:13,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:13,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 429 conjuncts, 39 conjunts are in the unsatisfiable core [2022-10-17 17:06:13,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:13,514 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 2 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:13,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:13,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 54 states and 67 transitions. [2022-10-17 17:06:13,683 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2022-10-17 17:06:13,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 17:06:13,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:13,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:13,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 40 conjunts are in the unsatisfiable core [2022-10-17 17:06:13,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:14,007 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 2 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:14,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:14,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 55 states and 68 transitions. [2022-10-17 17:06:14,208 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2022-10-17 17:06:14,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 17:06:14,209 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:14,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:14,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 41 conjunts are in the unsatisfiable core [2022-10-17 17:06:14,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:14,505 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 2 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:14,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:14,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 56 states and 69 transitions. [2022-10-17 17:06:14,692 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 69 transitions. [2022-10-17 17:06:14,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 17:06:14,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:14,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:14,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 42 conjunts are in the unsatisfiable core [2022-10-17 17:06:14,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:15,043 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 2 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:15,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:15,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 57 states and 70 transitions. [2022-10-17 17:06:15,226 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 70 transitions. [2022-10-17 17:06:15,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 17:06:15,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:15,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:15,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 43 conjunts are in the unsatisfiable core [2022-10-17 17:06:15,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:15,539 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 2 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:15,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:15,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 58 states and 71 transitions. [2022-10-17 17:06:15,706 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 71 transitions. [2022-10-17 17:06:15,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 17:06:15,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:15,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:15,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:15,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 44 conjunts are in the unsatisfiable core [2022-10-17 17:06:15,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:16,044 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 2 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:16,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:16,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 59 states and 72 transitions. [2022-10-17 17:06:16,235 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 72 transitions. [2022-10-17 17:06:16,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 17:06:16,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:16,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:16,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 45 conjunts are in the unsatisfiable core [2022-10-17 17:06:16,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:16,562 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 2 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:16,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:16,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 60 states and 73 transitions. [2022-10-17 17:06:16,750 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 73 transitions. [2022-10-17 17:06:16,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 17:06:16,751 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:16,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:16,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 46 conjunts are in the unsatisfiable core [2022-10-17 17:06:16,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:17,132 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 2 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:17,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:17,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 61 states and 74 transitions. [2022-10-17 17:06:17,315 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 74 transitions. [2022-10-17 17:06:17,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 17:06:17,315 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:17,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:17,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 47 conjunts are in the unsatisfiable core [2022-10-17 17:06:17,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:17,644 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 2 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:17,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:17,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 62 states and 75 transitions. [2022-10-17 17:06:17,830 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 75 transitions. [2022-10-17 17:06:17,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 17:06:17,830 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:17,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:17,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 48 conjunts are in the unsatisfiable core [2022-10-17 17:06:17,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:18,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 2 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:18,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:18,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 63 states and 76 transitions. [2022-10-17 17:06:18,422 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 76 transitions. [2022-10-17 17:06:18,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 17:06:18,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:18,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:18,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 519 conjuncts, 49 conjunts are in the unsatisfiable core [2022-10-17 17:06:18,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:18,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 2 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:18,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:18,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 64 states and 77 transitions. [2022-10-17 17:06:18,971 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 77 transitions. [2022-10-17 17:06:18,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 17:06:18,971 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:18,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:19,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 50 conjunts are in the unsatisfiable core [2022-10-17 17:06:19,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:19,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 2 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:19,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:19,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 65 states and 78 transitions. [2022-10-17 17:06:19,586 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 78 transitions. [2022-10-17 17:06:19,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 17:06:19,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:19,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:19,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 51 conjunts are in the unsatisfiable core [2022-10-17 17:06:19,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:19,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1178 backedges. 2 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:20,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:20,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 66 states and 79 transitions. [2022-10-17 17:06:20,170 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 79 transitions. [2022-10-17 17:06:20,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 17:06:20,171 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:20,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:20,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 52 conjunts are in the unsatisfiable core [2022-10-17 17:06:20,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:20,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 2 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:20,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:20,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 67 states and 80 transitions. [2022-10-17 17:06:20,807 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 80 transitions. [2022-10-17 17:06:20,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 17:06:20,810 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:20,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:20,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:20,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 53 conjunts are in the unsatisfiable core [2022-10-17 17:06:20,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:21,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 2 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:21,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:21,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 68 states and 81 transitions. [2022-10-17 17:06:21,353 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 81 transitions. [2022-10-17 17:06:21,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 17:06:21,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:21,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:21,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 54 conjunts are in the unsatisfiable core [2022-10-17 17:06:21,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:21,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1328 backedges. 2 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:21,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:21,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 69 states and 82 transitions. [2022-10-17 17:06:21,957 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 82 transitions. [2022-10-17 17:06:21,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 17:06:21,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:21,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:22,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 573 conjuncts, 55 conjunts are in the unsatisfiable core [2022-10-17 17:06:22,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:22,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1380 backedges. 2 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:22,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:22,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 70 states and 83 transitions. [2022-10-17 17:06:22,644 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 83 transitions. [2022-10-17 17:06:22,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-17 17:06:22,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:22,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:22,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 56 conjunts are in the unsatisfiable core [2022-10-17 17:06:22,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:23,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1433 backedges. 2 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:23,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:23,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 71 states and 84 transitions. [2022-10-17 17:06:23,302 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 84 transitions. [2022-10-17 17:06:23,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-17 17:06:23,303 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:23,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:23,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:23,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 57 conjunts are in the unsatisfiable core [2022-10-17 17:06:23,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:23,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1487 backedges. 2 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:23,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:23,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 72 states and 85 transitions. [2022-10-17 17:06:23,981 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 85 transitions. [2022-10-17 17:06:23,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 17:06:23,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:23,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:24,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 58 conjunts are in the unsatisfiable core [2022-10-17 17:06:24,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:24,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1542 backedges. 2 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:24,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:24,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 73 states and 86 transitions. [2022-10-17 17:06:24,649 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 86 transitions. [2022-10-17 17:06:24,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 17:06:24,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:24,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:24,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 59 conjunts are in the unsatisfiable core [2022-10-17 17:06:24,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:25,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1598 backedges. 2 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:25,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:25,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 74 states and 87 transitions. [2022-10-17 17:06:25,398 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 87 transitions. [2022-10-17 17:06:25,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 17:06:25,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:25,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:25,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 60 conjunts are in the unsatisfiable core [2022-10-17 17:06:25,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:25,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 2 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:26,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:26,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 75 states and 88 transitions. [2022-10-17 17:06:26,127 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 88 transitions. [2022-10-17 17:06:26,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-17 17:06:26,128 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:26,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:26,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:26,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 61 conjunts are in the unsatisfiable core [2022-10-17 17:06:26,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:26,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1713 backedges. 2 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:26,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:26,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 76 states and 89 transitions. [2022-10-17 17:06:26,800 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 89 transitions. [2022-10-17 17:06:26,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-17 17:06:26,800 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:26,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:26,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 62 conjunts are in the unsatisfiable core [2022-10-17 17:06:26,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:27,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1772 backedges. 2 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:27,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:27,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 77 states and 90 transitions. [2022-10-17 17:06:27,467 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 90 transitions. [2022-10-17 17:06:27,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-17 17:06:27,468 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:27,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:27,593 INFO L263 TraceCheckSpWp]: Trace formula consists of 645 conjuncts, 63 conjunts are in the unsatisfiable core [2022-10-17 17:06:27,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:27,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1832 backedges. 2 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:28,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:28,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 78 states and 91 transitions. [2022-10-17 17:06:28,163 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 91 transitions. [2022-10-17 17:06:28,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-17 17:06:28,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:28,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:28,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 654 conjuncts, 64 conjunts are in the unsatisfiable core [2022-10-17 17:06:28,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:28,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1893 backedges. 2 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:28,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:28,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 79 states and 92 transitions. [2022-10-17 17:06:28,949 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2022-10-17 17:06:28,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-17 17:06:28,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:28,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:29,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 65 conjunts are in the unsatisfiable core [2022-10-17 17:06:29,107 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:29,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1955 backedges. 2 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:29,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:29,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 80 states and 93 transitions. [2022-10-17 17:06:29,717 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2022-10-17 17:06:29,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-17 17:06:29,717 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:29,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:29,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 672 conjuncts, 66 conjunts are in the unsatisfiable core [2022-10-17 17:06:29,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:30,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2018 backedges. 2 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:06:30,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:06:30,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 81 states and 94 transitions. [2022-10-17 17:06:30,422 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions. [2022-10-17 17:06:30,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-17 17:06:30,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:06:30,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:06:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:06:30,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 67 conjunts are in the unsatisfiable core [2022-10-17 17:06:30,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:06:30,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2082 backedges. 2 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.