./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label11.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9ac7d2-ccb4-46e0-bafd-f814562122ba/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9ac7d2-ccb4-46e0-bafd-f814562122ba/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9ac7d2-ccb4-46e0-bafd-f814562122ba/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9ac7d2-ccb4-46e0-bafd-f814562122ba/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9ac7d2-ccb4-46e0-bafd-f814562122ba/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9ac7d2-ccb4-46e0-bafd-f814562122ba/bin/ukojak-LBtLqBUTdQ --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 45de9b50be73ad8596a15a884179fe100fef73e55c1a72900286dd4b459dfc0f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:14:00,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:14:00,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:14:00,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:14:00,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:14:00,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:14:00,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:14:00,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:14:00,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:14:00,300 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:14:00,301 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:14:00,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:14:00,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:14:00,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:14:00,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:14:00,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:14:00,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:14:00,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:14:00,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:14:00,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:14:00,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:14:00,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:14:00,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:14:00,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:14:00,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:14:00,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:14:00,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:14:00,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:14:00,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:14:00,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:14:00,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:14:00,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:14:00,350 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:14:00,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:14:00,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:14:00,352 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:14:00,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:14:00,353 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:14:00,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:14:00,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:14:00,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:14:00,355 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9ac7d2-ccb4-46e0-bafd-f814562122ba/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:14:00,378 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:14:00,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:14:00,379 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:14:00,379 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:14:00,380 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:14:00,380 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:14:00,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:14:00,381 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:14:00,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:14:00,381 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:14:00,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:14:00,381 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:14:00,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:14:00,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:14:00,382 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:14:00,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:14:00,382 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:14:00,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:14:00,383 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:14:00,383 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:14:00,383 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:14:00,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:14:00,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:14:00,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:14:00,384 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:14:00,384 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:14:00,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:14:00,384 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:14:00,385 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_2e9ac7d2-ccb4-46e0-bafd-f814562122ba/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9ac7d2-ccb4-46e0-bafd-f814562122ba/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45de9b50be73ad8596a15a884179fe100fef73e55c1a72900286dd4b459dfc0f [2021-11-23 01:14:00,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:14:00,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:14:00,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:14:00,666 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:14:00,667 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:14:00,669 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9ac7d2-ccb4-46e0-bafd-f814562122ba/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem14_label11.c [2021-11-23 01:14:00,746 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9ac7d2-ccb4-46e0-bafd-f814562122ba/bin/ukojak-LBtLqBUTdQ/data/d9bdaa303/54d4cca5a71448cfa7a62a87bdc79a48/FLAG185462ed7 [2021-11-23 01:14:01,358 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:14:01,358 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9ac7d2-ccb4-46e0-bafd-f814562122ba/sv-benchmarks/c/eca-rers2012/Problem14_label11.c [2021-11-23 01:14:01,371 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9ac7d2-ccb4-46e0-bafd-f814562122ba/bin/ukojak-LBtLqBUTdQ/data/d9bdaa303/54d4cca5a71448cfa7a62a87bdc79a48/FLAG185462ed7 [2021-11-23 01:14:01,754 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9ac7d2-ccb4-46e0-bafd-f814562122ba/bin/ukojak-LBtLqBUTdQ/data/d9bdaa303/54d4cca5a71448cfa7a62a87bdc79a48 [2021-11-23 01:14:01,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:14:01,758 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:14:01,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:14:01,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:14:01,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:14:01,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:14:01" (1/1) ... [2021-11-23 01:14:01,766 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7138f9cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:01, skipping insertion in model container [2021-11-23 01:14:01,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:14:01" (1/1) ... [2021-11-23 01:14:01,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:14:01,849 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:14:02,061 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_2e9ac7d2-ccb4-46e0-bafd-f814562122ba/sv-benchmarks/c/eca-rers2012/Problem14_label11.c[2373,2386] [2021-11-23 01:14:02,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:14:02,312 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:14:02,328 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_2e9ac7d2-ccb4-46e0-bafd-f814562122ba/sv-benchmarks/c/eca-rers2012/Problem14_label11.c[2373,2386] [2021-11-23 01:14:02,489 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:14:02,505 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:14:02,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:02 WrapperNode [2021-11-23 01:14:02,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:14:02,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:14:02,507 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:14:02,508 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:14:02,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:02" (1/1) ... [2021-11-23 01:14:02,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:02" (1/1) ... [2021-11-23 01:14:02,633 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2021-11-23 01:14:02,633 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:14:02,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:14:02,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:14:02,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:14:02,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:02" (1/1) ... [2021-11-23 01:14:02,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:02" (1/1) ... [2021-11-23 01:14:02,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:02" (1/1) ... [2021-11-23 01:14:02,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:02" (1/1) ... [2021-11-23 01:14:02,684 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:02" (1/1) ... [2021-11-23 01:14:02,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:02" (1/1) ... [2021-11-23 01:14:02,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:02" (1/1) ... [2021-11-23 01:14:02,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:14:02,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:14:02,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:14:02,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:14:02,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:14:02" (1/1) ... [2021-11-23 01:14:02,748 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:14:02,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9ac7d2-ccb4-46e0-bafd-f814562122ba/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:14:02,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9ac7d2-ccb4-46e0-bafd-f814562122ba/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:14:02,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e9ac7d2-ccb4-46e0-bafd-f814562122ba/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:14:02,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:14:02,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:14:02,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:14:02,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:14:02,910 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:14:02,912 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:14:04,281 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:14:07,334 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:14:07,334 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:14:07,336 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:14:07 BoogieIcfgContainer [2021-11-23 01:14:07,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:14:07,337 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:14:07,338 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:14:07,348 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:14:07,348 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:14:07" (1/1) ... [2021-11-23 01:14:07,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:14:07,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:07,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-23 01:14:07,412 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-23 01:14:07,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 01:14:07,415 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:07,416 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:07,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:07,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:07,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-11-23 01:14:07,647 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-23 01:14:07,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:14:07,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:07,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:08,106 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:08,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:08,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2021-11-23 01:14:08,483 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2021-11-23 01:14:08,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:14:08,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:08,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:09,648 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:10,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:10,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2021-11-23 01:14:10,375 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2021-11-23 01:14:10,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:14:10,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:10,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:11,078 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:11,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:11,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2021-11-23 01:14:11,350 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2021-11-23 01:14:11,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:14:11,351 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:11,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:12,472 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:13,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:13,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 41 states and 76 transitions. [2021-11-23 01:14:13,916 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 76 transitions. [2021-11-23 01:14:13,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-23 01:14:13,919 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:13,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:15,037 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:16,561 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:14:16,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:16,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 47 states and 87 transitions. [2021-11-23 01:14:16,862 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 87 transitions. [2021-11-23 01:14:16,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:14:16,863 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:16,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:18,965 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:20,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:20,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 55 states and 105 transitions. [2021-11-23 01:14:20,372 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 105 transitions. [2021-11-23 01:14:20,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:14:20,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:20,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:22,048 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:22,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:22,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 62 states and 117 transitions. [2021-11-23 01:14:22,838 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 117 transitions. [2021-11-23 01:14:22,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:14:22,841 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:22,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:27,311 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:29,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:29,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 73 states and 138 transitions. [2021-11-23 01:14:29,652 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 138 transitions. [2021-11-23 01:14:29,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:14:29,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:29,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:33,190 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:33,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:33,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 69 states and 127 transitions. [2021-11-23 01:14:33,565 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 127 transitions. [2021-11-23 01:14:33,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:14:33,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:33,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:48,734 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:14:51,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:51,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 80 states and 158 transitions. [2021-11-23 01:14:51,178 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 158 transitions. [2021-11-23 01:14:51,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:14:51,180 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:51,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:02,400 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:03,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:03,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 83 states and 162 transitions. [2021-11-23 01:15:03,041 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 162 transitions. [2021-11-23 01:15:03,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:15:03,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:03,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:04,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:06,811 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:10,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:10,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 96 states and 189 transitions. [2021-11-23 01:15:10,931 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 189 transitions. [2021-11-23 01:15:10,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:15:10,933 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:10,933 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:14,362 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:15,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:15,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 102 states and 202 transitions. [2021-11-23 01:15:15,466 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 202 transitions. [2021-11-23 01:15:15,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:15:15,467 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:15,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:43,516 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:15:52,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:15:52,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 122 states and 255 transitions. [2021-11-23 01:15:52,674 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 255 transitions. [2021-11-23 01:15:52,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:15:52,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:15:52,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:15:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:18,081 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:28,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:28,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 145 states and 322 transitions. [2021-11-23 01:17:28,456 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 322 transitions. [2021-11-23 01:17:28,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-23 01:17:28,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:28,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:53,968 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:54,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:54,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 148 states and 325 transitions. [2021-11-23 01:18:54,460 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 325 transitions. [2021-11-23 01:18:54,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:18:54,461 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:54,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:13,490 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:20,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:20,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 164 states and 359 transitions. [2021-11-23 01:20:20,678 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 359 transitions. [2021-11-23 01:20:20,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:20:20,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:20,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:42,018 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:43,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:43,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 170 states and 366 transitions. [2021-11-23 01:21:43,492 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 366 transitions. [2021-11-23 01:21:43,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:21:43,493 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:43,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:01,290 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:23:03,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:03,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 174 states and 379 transitions. [2021-11-23 01:23:03,076 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 379 transitions. [2021-11-23 01:23:03,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:23:03,078 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:03,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:09,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:24:19,608 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:24:22,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:24:22,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 185 states and 394 transitions. [2021-11-23 01:24:22,558 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 394 transitions. [2021-11-23 01:24:22,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-11-23 01:24:22,559 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:24:22,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:24:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:25:41,538 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:25:42,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:25:42,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 188 states and 397 transitions. [2021-11-23 01:25:42,246 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 397 transitions. [2021-11-23 01:25:42,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:25:42,247 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:25:42,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:26:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:26:34,207 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.