./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label48.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_df11316d-4d09-411e-a525-fa74e99bea38/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df11316d-4d09-411e-a525-fa74e99bea38/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_df11316d-4d09-411e-a525-fa74e99bea38/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df11316d-4d09-411e-a525-fa74e99bea38/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label48.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df11316d-4d09-411e-a525-fa74e99bea38/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_df11316d-4d09-411e-a525-fa74e99bea38/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 1479ddd90ec2fcde77d063083da596ee818d8098bb47b0581d7cfb4606042d51 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:48:00,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:48:00,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:48:00,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:48:00,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:48:00,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:48:00,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:48:00,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:48:00,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:48:00,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:48:00,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:48:00,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:48:00,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:48:00,406 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:48:00,407 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:48:00,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:48:00,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:48:00,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:48:00,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:48:00,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:48:00,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:48:00,420 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:48:00,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:48:00,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:48:00,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:48:00,441 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:48:00,442 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:48:00,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:48:00,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:48:00,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:48:00,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:48:00,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:48:00,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:48:00,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:48:00,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:48:00,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:48:00,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:48:00,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:48:00,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:48:00,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:48:00,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:48:00,457 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df11316d-4d09-411e-a525-fa74e99bea38/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:48:00,502 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:48:00,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:48:00,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:48:00,504 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:48:00,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:48:00,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:48:00,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:48:00,506 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:48:00,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:48:00,506 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:48:00,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:48:00,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:48:00,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:48:00,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:48:00,508 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:48:00,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:48:00,508 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:48:00,508 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:48:00,509 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:48:00,509 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:48:00,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:48:00,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:00,510 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:48:00,510 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:48:00,510 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:48:00,510 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:48:00,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:48:00,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:48:00,512 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_df11316d-4d09-411e-a525-fa74e99bea38/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df11316d-4d09-411e-a525-fa74e99bea38/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1479ddd90ec2fcde77d063083da596ee818d8098bb47b0581d7cfb4606042d51 [2022-10-17 16:48:00,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:48:00,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:48:00,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:48:00,838 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:48:00,839 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:48:00,841 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df11316d-4d09-411e-a525-fa74e99bea38/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-rers2012/Problem01_label48.c [2022-10-17 16:48:00,907 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df11316d-4d09-411e-a525-fa74e99bea38/bin/ukojak-92XMlrwhuB/data/37af82423/ff13f874c5d84f6ea60e2c1032301719/FLAG9b46b042f [2022-10-17 16:48:01,489 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:48:01,489 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df11316d-4d09-411e-a525-fa74e99bea38/sv-benchmarks/c/eca-rers2012/Problem01_label48.c [2022-10-17 16:48:01,519 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df11316d-4d09-411e-a525-fa74e99bea38/bin/ukojak-92XMlrwhuB/data/37af82423/ff13f874c5d84f6ea60e2c1032301719/FLAG9b46b042f [2022-10-17 16:48:01,756 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df11316d-4d09-411e-a525-fa74e99bea38/bin/ukojak-92XMlrwhuB/data/37af82423/ff13f874c5d84f6ea60e2c1032301719 [2022-10-17 16:48:01,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:48:01,761 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:48:01,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:01,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:48:01,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:48:01,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:01" (1/1) ... [2022-10-17 16:48:01,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16853362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:01, skipping insertion in model container [2022-10-17 16:48:01,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:01" (1/1) ... [2022-10-17 16:48:01,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:48:01,845 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:48:02,363 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_df11316d-4d09-411e-a525-fa74e99bea38/sv-benchmarks/c/eca-rers2012/Problem01_label48.c[20593,20606] [2022-10-17 16:48:02,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:02,410 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:48:02,525 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_df11316d-4d09-411e-a525-fa74e99bea38/sv-benchmarks/c/eca-rers2012/Problem01_label48.c[20593,20606] [2022-10-17 16:48:02,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:02,557 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:48:02,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:02 WrapperNode [2022-10-17 16:48:02,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:02,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:02,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:48:02,561 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:48:02,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:02" (1/1) ... [2022-10-17 16:48:02,594 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:02" (1/1) ... [2022-10-17 16:48:02,666 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 657 [2022-10-17 16:48:02,667 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:02,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:48:02,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:48:02,668 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:48:02,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:02" (1/1) ... [2022-10-17 16:48:02,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:02" (1/1) ... [2022-10-17 16:48:02,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:02" (1/1) ... [2022-10-17 16:48:02,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:02" (1/1) ... [2022-10-17 16:48:02,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:02" (1/1) ... [2022-10-17 16:48:02,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:02" (1/1) ... [2022-10-17 16:48:02,729 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:02" (1/1) ... [2022-10-17 16:48:02,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:02" (1/1) ... [2022-10-17 16:48:02,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:48:02,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:48:02,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:48:02,751 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:48:02,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:02" (1/1) ... [2022-10-17 16:48:02,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:02,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df11316d-4d09-411e-a525-fa74e99bea38/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:48:02,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df11316d-4d09-411e-a525-fa74e99bea38/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:48:02,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df11316d-4d09-411e-a525-fa74e99bea38/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:48:02,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:48:02,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:48:02,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:48:02,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:48:02,902 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:48:02,904 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:48:04,121 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:48:04,396 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:48:04,396 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:48:04,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:04 BoogieIcfgContainer [2022-10-17 16:48:04,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:48:04,401 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:48:04,401 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:48:04,411 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:48:04,412 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:48:04" (1/1) ... [2022-10-17 16:48:04,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:48:04,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:04,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2022-10-17 16:48:04,518 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2022-10-17 16:48:04,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-17 16:48:04,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:04,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:05,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:05,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:05,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 145 states and 219 transitions. [2022-10-17 16:48:05,770 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 219 transitions. [2022-10-17 16:48:05,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-17 16:48:05,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:05,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:06,120 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:06,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:06,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 218 states and 305 transitions. [2022-10-17 16:48:06,747 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 305 transitions. [2022-10-17 16:48:06,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-17 16:48:06,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:06,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:06,906 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:07,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:07,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 223 states and 312 transitions. [2022-10-17 16:48:07,039 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 312 transitions. [2022-10-17 16:48:07,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-17 16:48:07,042 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:07,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:07,507 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:08,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:08,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 298 states and 391 transitions. [2022-10-17 16:48:08,597 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 391 transitions. [2022-10-17 16:48:08,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-17 16:48:08,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:08,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:08,789 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:08,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:08,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 299 states and 393 transitions. [2022-10-17 16:48:08,979 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 393 transitions. [2022-10-17 16:48:08,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-17 16:48:08,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:08,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:09,152 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:09,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:09,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 302 states and 396 transitions. [2022-10-17 16:48:09,224 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 396 transitions. [2022-10-17 16:48:09,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-17 16:48:09,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:09,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:09,397 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:48:10,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:10,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 310 states and 413 transitions. [2022-10-17 16:48:10,004 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 413 transitions. [2022-10-17 16:48:10,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-17 16:48:10,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:10,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:10,177 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:48:10,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:10,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 313 states and 416 transitions. [2022-10-17 16:48:10,319 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 416 transitions. [2022-10-17 16:48:10,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-17 16:48:10,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:10,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:10,475 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:48:10,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:10,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 315 states and 418 transitions. [2022-10-17 16:48:10,713 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 418 transitions. [2022-10-17 16:48:10,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-17 16:48:10,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:10,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:10,846 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:11,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:11,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 321 states and 425 transitions. [2022-10-17 16:48:11,077 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 425 transitions. [2022-10-17 16:48:11,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-17 16:48:11,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:11,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:11,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:11,342 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:11,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:11,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 325 states and 429 transitions. [2022-10-17 16:48:11,633 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 429 transitions. [2022-10-17 16:48:11,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-17 16:48:11,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:11,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:11,809 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:12,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:12,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 329 states and 434 transitions. [2022-10-17 16:48:12,065 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 434 transitions. [2022-10-17 16:48:12,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-17 16:48:12,066 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:12,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:12,250 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:12,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:12,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 334 states and 439 transitions. [2022-10-17 16:48:12,589 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 439 transitions. [2022-10-17 16:48:12,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-17 16:48:12,590 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:12,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:12,700 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:48:12,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:12,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 347 states and 454 transitions. [2022-10-17 16:48:12,915 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 454 transitions. [2022-10-17 16:48:12,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-17 16:48:12,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:12,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:13,173 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:14,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:14,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 362 states and 477 transitions. [2022-10-17 16:48:14,073 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 477 transitions. [2022-10-17 16:48:14,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-17 16:48:14,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:14,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:14,241 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:14,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:14,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 367 states and 481 transitions. [2022-10-17 16:48:14,600 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 481 transitions. [2022-10-17 16:48:14,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-17 16:48:14,602 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:14,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:14,752 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:15,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:15,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 376 states and 496 transitions. [2022-10-17 16:48:15,525 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 496 transitions. [2022-10-17 16:48:15,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-17 16:48:15,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:15,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:15,621 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:15,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:15,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 379 states and 499 transitions. [2022-10-17 16:48:15,834 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 499 transitions. [2022-10-17 16:48:15,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-17 16:48:15,837 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:15,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:15,930 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:48:16,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:16,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 380 states and 500 transitions. [2022-10-17 16:48:16,063 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 500 transitions. [2022-10-17 16:48:16,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-17 16:48:16,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:16,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:16,134 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:16,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:16,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 389 states and 510 transitions. [2022-10-17 16:48:16,231 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 510 transitions. [2022-10-17 16:48:16,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-17 16:48:16,232 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:16,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:16,365 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:16,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:16,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 398 states and 520 transitions. [2022-10-17 16:48:16,644 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 520 transitions. [2022-10-17 16:48:16,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-17 16:48:16,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:16,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:16,811 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:17,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:17,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 415 states and 539 transitions. [2022-10-17 16:48:17,124 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 539 transitions. [2022-10-17 16:48:17,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-17 16:48:17,126 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:17,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:17,312 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:17,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:17,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 432 states and 557 transitions. [2022-10-17 16:48:17,623 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 557 transitions. [2022-10-17 16:48:17,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-17 16:48:17,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:17,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:17,768 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:48:18,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:18,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 452 states and 578 transitions. [2022-10-17 16:48:18,203 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 578 transitions. [2022-10-17 16:48:18,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-17 16:48:18,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:18,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:18,510 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 35 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:18,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:18,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 460 states and 587 transitions. [2022-10-17 16:48:18,899 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 587 transitions. [2022-10-17 16:48:18,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-17 16:48:18,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:18,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:19,052 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-10-17 16:48:19,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:19,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 461 states and 588 transitions. [2022-10-17 16:48:19,153 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 588 transitions. [2022-10-17 16:48:19,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-17 16:48:19,156 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:19,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:19,308 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:48:19,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:19,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 475 states and 607 transitions. [2022-10-17 16:48:19,656 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 607 transitions. [2022-10-17 16:48:19,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-17 16:48:19,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:19,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:19,819 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 16:48:20,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:20,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 478 states and 610 transitions. [2022-10-17 16:48:20,065 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 610 transitions. [2022-10-17 16:48:20,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-17 16:48:20,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:20,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:20,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:20,209 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:20,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:20,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 495 states and 628 transitions. [2022-10-17 16:48:20,370 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 628 transitions. [2022-10-17 16:48:20,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-10-17 16:48:20,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:20,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:20,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:20,709 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 49 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:21,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:21,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 534 states and 673 transitions. [2022-10-17 16:48:21,773 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 673 transitions. [2022-10-17 16:48:21,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-10-17 16:48:21,775 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:21,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:21,933 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:48:22,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:22,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 541 states and 680 transitions. [2022-10-17 16:48:22,097 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 680 transitions. [2022-10-17 16:48:22,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-17 16:48:22,099 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:22,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:22,180 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:22,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:22,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 550 states and 689 transitions. [2022-10-17 16:48:22,268 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 689 transitions. [2022-10-17 16:48:22,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-17 16:48:22,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:22,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:22,506 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:24,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:24,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 595 states and 739 transitions. [2022-10-17 16:48:24,163 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 739 transitions. [2022-10-17 16:48:24,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-17 16:48:24,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:24,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:24,355 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:48:24,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:24,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 598 states and 742 transitions. [2022-10-17 16:48:24,628 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 742 transitions. [2022-10-17 16:48:24,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-17 16:48:24,629 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:24,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:25,163 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 57 proven. 22 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:48:26,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:26,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 641 states and 804 transitions. [2022-10-17 16:48:26,701 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 804 transitions. [2022-10-17 16:48:26,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-17 16:48:26,702 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:26,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:26,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:27,000 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 60 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-10-17 16:48:27,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:27,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 644 states and 808 transitions. [2022-10-17 16:48:27,375 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 808 transitions. [2022-10-17 16:48:27,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-17 16:48:27,377 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:27,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:27,598 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:48:27,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:27,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 646 states and 810 transitions. [2022-10-17 16:48:27,880 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 810 transitions. [2022-10-17 16:48:27,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-17 16:48:27,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:27,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:27,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:28,102 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:28,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:28,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 654 states and 819 transitions. [2022-10-17 16:48:28,678 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 819 transitions. [2022-10-17 16:48:28,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-10-17 16:48:28,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:28,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:28,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:28,930 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 66 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:48:29,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:48:29,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 663 states and 827 transitions. [2022-10-17 16:48:29,202 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 827 transitions. [2022-10-17 16:48:29,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-10-17 16:48:29,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:48:29,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:48:29,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:48:29,899 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 68 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.