./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.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_30df3424-9571-4a66-badf-2fe772be6ef9/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30df3424-9571-4a66-badf-2fe772be6ef9/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_30df3424-9571-4a66-badf-2fe772be6ef9/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30df3424-9571-4a66-badf-2fe772be6ef9/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30df3424-9571-4a66-badf-2fe772be6ef9/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_30df3424-9571-4a66-badf-2fe772be6ef9/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 8080e0a725fc4bb7ff7c553cf5cace8f3ab82ec5bf4c36129edf77f076dbcbd3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:11:07,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:11:07,919 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:11:07,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:11:07,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:11:07,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:11:07,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:11:07,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:11:07,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:11:07,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:11:07,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:11:07,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:11:07,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:11:07,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:11:07,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:11:07,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:11:07,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:11:07,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:11:07,974 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:11:07,977 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:11:07,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:11:07,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:11:07,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:11:07,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:11:07,987 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:11:07,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:11:07,988 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:11:07,989 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:11:07,990 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:11:07,991 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:11:07,992 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:11:07,993 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:11:07,994 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:11:07,995 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:11:07,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:11:07,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:11:07,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:11:07,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:11:07,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:11:08,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:11:08,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:11:08,002 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30df3424-9571-4a66-badf-2fe772be6ef9/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:11:08,039 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:11:08,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:11:08,040 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:11:08,040 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:11:08,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:11:08,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:11:08,041 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:11:08,041 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:11:08,041 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:11:08,041 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:11:08,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:11:08,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:11:08,042 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:11:08,042 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:11:08,042 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:11:08,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:11:08,043 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:11:08,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:11:08,043 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:11:08,043 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:11:08,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:11:08,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:11:08,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:11:08,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:11:08,044 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:11:08,044 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:11:08,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:11:08,045 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:11:08,045 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_30df3424-9571-4a66-badf-2fe772be6ef9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30df3424-9571-4a66-badf-2fe772be6ef9/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8080e0a725fc4bb7ff7c553cf5cace8f3ab82ec5bf4c36129edf77f076dbcbd3 [2021-11-23 01:11:08,321 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:11:08,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:11:08,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:11:08,348 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:11:08,349 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:11:08,350 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30df3424-9571-4a66-badf-2fe772be6ef9/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-11-23 01:11:08,406 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30df3424-9571-4a66-badf-2fe772be6ef9/bin/ukojak-LBtLqBUTdQ/data/b3a1038e6/83db811561fb4931b7f32955fc0f920e/FLAG46b5bf68d [2021-11-23 01:11:08,906 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:11:08,907 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30df3424-9571-4a66-badf-2fe772be6ef9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2021-11-23 01:11:08,933 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30df3424-9571-4a66-badf-2fe772be6ef9/bin/ukojak-LBtLqBUTdQ/data/b3a1038e6/83db811561fb4931b7f32955fc0f920e/FLAG46b5bf68d [2021-11-23 01:11:09,287 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30df3424-9571-4a66-badf-2fe772be6ef9/bin/ukojak-LBtLqBUTdQ/data/b3a1038e6/83db811561fb4931b7f32955fc0f920e [2021-11-23 01:11:09,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:11:09,291 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:11:09,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:11:09,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:11:09,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:11:09,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:11:09" (1/1) ... [2021-11-23 01:11:09,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e39ed31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:09, skipping insertion in model container [2021-11-23 01:11:09,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:11:09" (1/1) ... [2021-11-23 01:11:09,321 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:11:09,362 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:11:09,582 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_30df3424-9571-4a66-badf-2fe772be6ef9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[4940,4953] [2021-11-23 01:11:09,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:11:09,617 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:11:09,655 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_30df3424-9571-4a66-badf-2fe772be6ef9/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.4.1.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c[4940,4953] [2021-11-23 01:11:09,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:11:09,688 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:11:09,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:09 WrapperNode [2021-11-23 01:11:09,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:11:09,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:11:09,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:11:09,690 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:11:09,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:09" (1/1) ... [2021-11-23 01:11:09,726 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:09" (1/1) ... [2021-11-23 01:11:09,757 INFO L137 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 339 [2021-11-23 01:11:09,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:11:09,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:11:09,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:11:09,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:11:09,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:09" (1/1) ... [2021-11-23 01:11:09,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:09" (1/1) ... [2021-11-23 01:11:09,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:09" (1/1) ... [2021-11-23 01:11:09,770 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:09" (1/1) ... [2021-11-23 01:11:09,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:09" (1/1) ... [2021-11-23 01:11:09,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:09" (1/1) ... [2021-11-23 01:11:09,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:09" (1/1) ... [2021-11-23 01:11:09,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:11:09,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:11:09,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:11:09,789 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:11:09,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:09" (1/1) ... [2021-11-23 01:11:09,798 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:11:09,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30df3424-9571-4a66-badf-2fe772be6ef9/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:11:09,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30df3424-9571-4a66-badf-2fe772be6ef9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:11:09,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30df3424-9571-4a66-badf-2fe772be6ef9/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:11:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:11:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:11:09,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:11:09,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:11:09,968 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:11:09,970 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:11:10,513 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:11:10,669 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:11:10,672 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 01:11:10,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:11:10 BoogieIcfgContainer [2021-11-23 01:11:10,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:11:10,676 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:11:10,676 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:11:10,686 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:11:10,687 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:11:10" (1/1) ... [2021-11-23 01:11:10,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:11:10,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:10,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 60 states and 99 transitions. [2021-11-23 01:11:10,775 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 99 transitions. [2021-11-23 01:11:10,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:11:10,779 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:10,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:11,008 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 01:11:11,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:11,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 62 states and 100 transitions. [2021-11-23 01:11:11,063 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 100 transitions. [2021-11-23 01:11:11,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:11:11,064 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:11,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:11,185 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 01:11:11,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:11,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 69 states and 111 transitions. [2021-11-23 01:11:11,297 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 111 transitions. [2021-11-23 01:11:11,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:11:11,301 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:11,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:11,410 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 01:11:11,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:11,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 70 states and 111 transitions. [2021-11-23 01:11:11,430 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 111 transitions. [2021-11-23 01:11:11,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:11:11,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:11,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:11,558 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 01:11:11,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:11,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 82 states and 131 transitions. [2021-11-23 01:11:11,781 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 131 transitions. [2021-11-23 01:11:11,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:11:11,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:11,784 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:11,831 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 01:11:11,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:11,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 83 states and 131 transitions. [2021-11-23 01:11:11,840 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 131 transitions. [2021-11-23 01:11:11,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:11:11,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:11,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:11,884 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 01:11:11,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:11,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 84 states and 131 transitions. [2021-11-23 01:11:11,893 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 131 transitions. [2021-11-23 01:11:11,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:11:11,894 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:11,894 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:11,956 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 01:11:12,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:12,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 101 states and 160 transitions. [2021-11-23 01:11:12,322 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 160 transitions. [2021-11-23 01:11:12,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:11:12,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:12,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:12,412 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 01:11:12,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:12,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 102 states and 160 transitions. [2021-11-23 01:11:12,424 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 160 transitions. [2021-11-23 01:11:12,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:11:12,426 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:12,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:12,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:12,490 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 01:11:12,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:12,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 103 states and 160 transitions. [2021-11-23 01:11:12,507 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 160 transitions. [2021-11-23 01:11:12,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-23 01:11:12,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:12,512 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:12,562 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 01:11:12,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:12,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 104 states and 160 transitions. [2021-11-23 01:11:12,573 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 160 transitions. [2021-11-23 01:11:12,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:11:12,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:12,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:12,732 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 01:11:14,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:14,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 126 states and 199 transitions. [2021-11-23 01:11:14,582 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 199 transitions. [2021-11-23 01:11:14,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:11:14,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:14,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:14,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:14,620 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 01:11:14,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:14,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 127 states and 199 transitions. [2021-11-23 01:11:14,671 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 199 transitions. [2021-11-23 01:11:14,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:11:14,673 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:14,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:14,715 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 01:11:14,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:14,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 128 states and 199 transitions. [2021-11-23 01:11:14,761 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 199 transitions. [2021-11-23 01:11:14,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:11:14,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:14,763 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:14,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:14,836 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 01:11:14,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:14,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 129 states and 199 transitions. [2021-11-23 01:11:14,873 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 199 transitions. [2021-11-23 01:11:14,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:11:14,880 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:14,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:14,932 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 01:11:14,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:14,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 130 states and 199 transitions. [2021-11-23 01:11:14,966 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 199 transitions. [2021-11-23 01:11:14,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:11:14,966 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:14,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:15,360 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 01:11:18,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:18,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 154 states and 240 transitions. [2021-11-23 01:11:18,538 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 240 transitions. [2021-11-23 01:11:18,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:11:18,538 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:18,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:18,657 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 01:11:22,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:22,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 177 states and 279 transitions. [2021-11-23 01:11:22,654 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 279 transitions. [2021-11-23 01:11:22,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:11:22,654 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:22,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:22,738 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 01:11:22,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:22,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 178 states and 279 transitions. [2021-11-23 01:11:22,796 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 279 transitions. [2021-11-23 01:11:22,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:11:22,797 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:22,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:22,837 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 01:11:22,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:22,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 179 states and 279 transitions. [2021-11-23 01:11:22,883 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 279 transitions. [2021-11-23 01:11:22,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:11:22,884 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:22,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:22,916 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 01:11:23,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:23,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 180 states and 282 transitions. [2021-11-23 01:11:23,348 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 282 transitions. [2021-11-23 01:11:23,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:11:23,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:23,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:23,450 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 01:11:23,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:23,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 181 states and 282 transitions. [2021-11-23 01:11:23,692 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 282 transitions. [2021-11-23 01:11:23,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:11:23,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:23,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:23,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:23,720 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 01:11:24,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:24,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 182 states and 285 transitions. [2021-11-23 01:11:24,185 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 285 transitions. [2021-11-23 01:11:24,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:11:24,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:24,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:24,261 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 01:11:24,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:24,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 183 states and 285 transitions. [2021-11-23 01:11:24,525 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 285 transitions. [2021-11-23 01:11:24,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:11:24,525 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:24,526 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:24,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:24,604 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 01:11:24,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:24,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 184 states and 285 transitions. [2021-11-23 01:11:24,642 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 285 transitions. [2021-11-23 01:11:24,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:11:24,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:24,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:24,670 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 01:11:24,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:24,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 185 states and 285 transitions. [2021-11-23 01:11:24,707 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 285 transitions. [2021-11-23 01:11:24,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:11:24,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:24,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:25,090 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 01:11:31,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:31,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 198 states and 306 transitions. [2021-11-23 01:11:31,323 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 306 transitions. [2021-11-23 01:11:31,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:11:31,324 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:31,324 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:31,612 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 01:11:39,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:39,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 216 states and 336 transitions. [2021-11-23 01:11:39,035 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 336 transitions. [2021-11-23 01:11:39,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:11:39,036 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:39,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:39,380 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 01:11:49,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:49,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 224 states and 348 transitions. [2021-11-23 01:11:49,168 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 348 transitions. [2021-11-23 01:11:49,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:11:49,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:49,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:49,199 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 01:11:49,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:49,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 225 states and 351 transitions. [2021-11-23 01:11:49,939 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 351 transitions. [2021-11-23 01:11:49,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:11:49,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:49,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:49,969 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 01:11:50,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:50,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 226 states and 351 transitions. [2021-11-23 01:11:50,361 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 351 transitions. [2021-11-23 01:11:50,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-11-23 01:11:50,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:50,362 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:50,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:11:51,012 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 01:11:52,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:11:52,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 230 states and 365 transitions. [2021-11-23 01:11:52,585 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 365 transitions. [2021-11-23 01:11:52,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:11:52,586 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:11:52,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:11:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:12:02,363 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:13:18,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:18,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 267 states and 461 transitions. [2021-11-23 01:13:18,167 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 461 transitions. [2021-11-23 01:13:18,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:13:18,168 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:18,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:18,525 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:13:46,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:13:46,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 286 states and 497 transitions. [2021-11-23 01:13:46,024 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 497 transitions. [2021-11-23 01:13:46,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:13:46,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:13:46,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:13:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:13:46,438 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-23 01:14:10,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:10,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 300 states and 523 transitions. [2021-11-23 01:14:10,973 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 523 transitions. [2021-11-23 01:14:10,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:14:10,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:10,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:10,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:11,447 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-23 01:14:26,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:26,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 309 states and 538 transitions. [2021-11-23 01:14:26,638 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 538 transitions. [2021-11-23 01:14:26,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-11-23 01:14:26,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:26,639 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:27,027 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-11-23 01:14:32,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:32,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 313 states and 544 transitions. [2021-11-23 01:14:32,017 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 544 transitions. [2021-11-23 01:14:32,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:14:32,018 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:32,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:14:32,486 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:14:42,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:14:42,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 326 states and 581 transitions. [2021-11-23 01:14:42,190 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 581 transitions. [2021-11-23 01:14:42,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:14:42,191 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:14:42,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:14:42,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:15:06,129 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:17:51,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:17:51,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 361 states and 681 transitions. [2021-11-23 01:17:51,049 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 681 transitions. [2021-11-23 01:17:51,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:17:51,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:17:51,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:17:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:17:51,637 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:18:39,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:18:39,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 379 states and 718 transitions. [2021-11-23 01:18:39,309 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 718 transitions. [2021-11-23 01:18:39,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:18:39,310 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:18:39,310 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:18:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:18:40,104 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:24,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:24,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 402 states and 768 transitions. [2021-11-23 01:19:24,232 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 768 transitions. [2021-11-23 01:19:24,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:19:24,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:24,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:25,024 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:10,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:10,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 422 states and 815 transitions. [2021-11-23 01:20:10,547 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 815 transitions. [2021-11-23 01:20:10,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:20:10,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:10,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:10,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:12,316 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-23 01:20:16,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:16,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 423 states and 816 transitions. [2021-11-23 01:20:16,458 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 816 transitions. [2021-11-23 01:20:16,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:20:16,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:16,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:17,279 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:20:52,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:20:52,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 439 states and 845 transitions. [2021-11-23 01:20:52,149 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 845 transitions. [2021-11-23 01:20:52,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:20:52,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:20:52,151 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:20:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:20:53,031 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:21:41,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:21:41,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 458 states and 876 transitions. [2021-11-23 01:21:41,899 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 876 transitions. [2021-11-23 01:21:41,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 01:21:41,901 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:21:41,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:21:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:21:42,990 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:17,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:17,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 475 states and 915 transitions. [2021-11-23 01:22:17,030 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 915 transitions. [2021-11-23 01:22:17,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-23 01:22:17,032 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:17,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:18,015 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:22:46,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:22:46,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 488 states and 940 transitions. [2021-11-23 01:22:46,370 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 940 transitions. [2021-11-23 01:22:46,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-23 01:22:46,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:22:46,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:22:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:22:47,528 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:15,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:15,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 501 states and 988 transitions. [2021-11-23 01:23:15,614 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 988 transitions. [2021-11-23 01:23:15,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-23 01:23:15,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:15,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:15,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:15,805 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:23:30,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:23:30,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 506 states and 995 transitions. [2021-11-23 01:23:30,163 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 995 transitions. [2021-11-23 01:23:30,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-23 01:23:30,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:23:30,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:23:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:23:30,211 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.