./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+nlh-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_77895c3e-e5b7-4fe2-b37e-948d47b39d7c/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77895c3e-e5b7-4fe2-b37e-948d47b39d7c/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_77895c3e-e5b7-4fe2-b37e-948d47b39d7c/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77895c3e-e5b7-4fe2-b37e-948d47b39d7c/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77895c3e-e5b7-4fe2-b37e-948d47b39d7c/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_77895c3e-e5b7-4fe2-b37e-948d47b39d7c/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 233676c1e8a1b5798ecf495818fb18bbff45b7aea47a9aff904b2f64a9e366a2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:47:11,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:47:11,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:47:12,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:47:12,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:47:12,010 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:47:12,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:47:12,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:47:12,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:47:12,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:47:12,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:47:12,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:47:12,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:47:12,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:47:12,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:47:12,041 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:47:12,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:47:12,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:47:12,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:47:12,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:47:12,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:47:12,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:47:12,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:47:12,066 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:47:12,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:47:12,073 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:47:12,074 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:47:12,076 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:47:12,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:47:12,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:47:12,078 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:47:12,079 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:47:12,082 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:47:12,083 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:47:12,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:47:12,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:47:12,085 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:47:12,086 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:47:12,086 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:47:12,087 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:47:12,088 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:47:12,089 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77895c3e-e5b7-4fe2-b37e-948d47b39d7c/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:47:12,132 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:47:12,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:47:12,133 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:47:12,134 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:47:12,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:47:12,135 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:47:12,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:47:12,135 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:47:12,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:47:12,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:47:12,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:47:12,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:47:12,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:47:12,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:47:12,138 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:47:12,138 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:47:12,138 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:47:12,138 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:47:12,139 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:47:12,139 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:47:12,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:47:12,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:47:12,140 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:47:12,140 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:47:12,140 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:47:12,140 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:47:12,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:47:12,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:47:12,141 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_77895c3e-e5b7-4fe2-b37e-948d47b39d7c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77895c3e-e5b7-4fe2-b37e-948d47b39d7c/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 233676c1e8a1b5798ecf495818fb18bbff45b7aea47a9aff904b2f64a9e366a2 [2021-11-23 01:47:12,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:47:12,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:47:12,455 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:47:12,456 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:47:12,457 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:47:12,458 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77895c3e-e5b7-4fe2-b37e-948d47b39d7c/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2021-11-23 01:47:12,532 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77895c3e-e5b7-4fe2-b37e-948d47b39d7c/bin/ukojak-LBtLqBUTdQ/data/6e96d3d57/723ffccf7acc4afab772d3e00160fac6/FLAGeae664f6e [2021-11-23 01:47:13,098 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:47:13,099 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77895c3e-e5b7-4fe2-b37e-948d47b39d7c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2021-11-23 01:47:13,110 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77895c3e-e5b7-4fe2-b37e-948d47b39d7c/bin/ukojak-LBtLqBUTdQ/data/6e96d3d57/723ffccf7acc4afab772d3e00160fac6/FLAGeae664f6e [2021-11-23 01:47:13,424 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77895c3e-e5b7-4fe2-b37e-948d47b39d7c/bin/ukojak-LBtLqBUTdQ/data/6e96d3d57/723ffccf7acc4afab772d3e00160fac6 [2021-11-23 01:47:13,427 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:47:13,428 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:47:13,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:47:13,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:47:13,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:47:13,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:47:13" (1/1) ... [2021-11-23 01:47:13,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@632c3f72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:13, skipping insertion in model container [2021-11-23 01:47:13,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:47:13" (1/1) ... [2021-11-23 01:47:13,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:47:13,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:47:13,842 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_77895c3e-e5b7-4fe2-b37e-948d47b39d7c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[6876,6889] [2021-11-23 01:47:13,868 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_77895c3e-e5b7-4fe2-b37e-948d47b39d7c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[9071,9084] [2021-11-23 01:47:13,894 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:47:13,904 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:47:13,994 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77895c3e-e5b7-4fe2-b37e-948d47b39d7c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[6876,6889] [2021-11-23 01:47:14,003 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_77895c3e-e5b7-4fe2-b37e-948d47b39d7c/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.1.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[9071,9084] [2021-11-23 01:47:14,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:47:14,044 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:47:14,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:14 WrapperNode [2021-11-23 01:47:14,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:47:14,047 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:47:14,047 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:47:14,048 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:47:14,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:14" (1/1) ... [2021-11-23 01:47:14,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:14" (1/1) ... [2021-11-23 01:47:14,117 INFO L137 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 447 [2021-11-23 01:47:14,125 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:47:14,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:47:14,126 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:47:14,126 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:47:14,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:14" (1/1) ... [2021-11-23 01:47:14,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:14" (1/1) ... [2021-11-23 01:47:14,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:14" (1/1) ... [2021-11-23 01:47:14,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:14" (1/1) ... [2021-11-23 01:47:14,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:14" (1/1) ... [2021-11-23 01:47:14,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:14" (1/1) ... [2021-11-23 01:47:14,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:14" (1/1) ... [2021-11-23 01:47:14,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:47:14,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:47:14,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:47:14,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:47:14,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:47:14" (1/1) ... [2021-11-23 01:47:14,201 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:47:14,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77895c3e-e5b7-4fe2-b37e-948d47b39d7c/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:47:14,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77895c3e-e5b7-4fe2-b37e-948d47b39d7c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:47:14,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77895c3e-e5b7-4fe2-b37e-948d47b39d7c/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:47:14,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:47:14,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:47:14,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:47:14,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:47:14,352 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:47:14,353 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:47:14,801 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:47:14,982 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:47:14,982 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 01:47:14,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:47:14 BoogieIcfgContainer [2021-11-23 01:47:14,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:47:15,000 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:47:15,000 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:47:15,012 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:47:15,012 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:47:14" (1/1) ... [2021-11-23 01:47:15,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:47:15,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:15,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 77 states and 130 transitions. [2021-11-23 01:47:15,109 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 130 transitions. [2021-11-23 01:47:15,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:47:15,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:15,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:15,437 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 01:47:15,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:15,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 83 states and 140 transitions. [2021-11-23 01:47:15,598 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 140 transitions. [2021-11-23 01:47:15,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:47:15,601 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:15,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:15,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:15,799 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 01:47:16,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:16,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 86 states and 145 transitions. [2021-11-23 01:47:16,257 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 145 transitions. [2021-11-23 01:47:16,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:47:16,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:16,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:16,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:16,404 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 01:47:16,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:16,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 87 states and 146 transitions. [2021-11-23 01:47:16,449 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 146 transitions. [2021-11-23 01:47:16,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:47:16,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:16,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:16,502 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 01:47:16,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:16,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 80 states and 133 transitions. [2021-11-23 01:47:16,531 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 133 transitions. [2021-11-23 01:47:16,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:47:16,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:16,533 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:16,622 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 01:47:17,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:17,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 80 states and 132 transitions. [2021-11-23 01:47:17,406 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 132 transitions. [2021-11-23 01:47:17,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-11-23 01:47:17,407 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:17,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:17,448 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 01:47:17,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:17,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 77 states and 126 transitions. [2021-11-23 01:47:17,472 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 126 transitions. [2021-11-23 01:47:17,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-11-23 01:47:17,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:17,474 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:20,719 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 01:47:30,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:47:30,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 77 states and 124 transitions. [2021-11-23 01:47:30,458 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 124 transitions. [2021-11-23 01:47:30,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-11-23 01:47:30,459 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:47:30,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:47:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:47:36,717 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 01:48:07,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:07,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 74 states and 118 transitions. [2021-11-23 01:48:07,030 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 118 transitions. [2021-11-23 01:48:07,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-23 01:48:07,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:07,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:07,390 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 01:48:10,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:10,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 76 states and 121 transitions. [2021-11-23 01:48:10,278 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 121 transitions. [2021-11-23 01:48:10,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 01:48:10,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:10,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:10,568 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 01:48:13,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:13,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 83 states and 134 transitions. [2021-11-23 01:48:13,048 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 134 transitions. [2021-11-23 01:48:13,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-11-23 01:48:13,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:13,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:13,095 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 01:48:13,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:13,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 84 states and 134 transitions. [2021-11-23 01:48:13,110 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 134 transitions. [2021-11-23 01:48:13,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 01:48:13,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:13,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:13,414 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 01:48:15,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:15,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 96 states and 157 transitions. [2021-11-23 01:48:15,612 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 157 transitions. [2021-11-23 01:48:15,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 01:48:15,613 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:15,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:15,651 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 01:48:15,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:15,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 97 states and 157 transitions. [2021-11-23 01:48:15,668 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 157 transitions. [2021-11-23 01:48:15,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-23 01:48:15,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:15,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:15,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:15,706 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 01:48:15,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:15,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 98 states and 157 transitions. [2021-11-23 01:48:15,722 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 157 transitions. [2021-11-23 01:48:15,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:48:15,723 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:15,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:15,755 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 01:48:17,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:17,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 115 states and 189 transitions. [2021-11-23 01:48:17,518 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 189 transitions. [2021-11-23 01:48:17,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:48:17,519 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:17,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:17,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:17,551 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 01:48:17,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:17,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 116 states and 189 transitions. [2021-11-23 01:48:17,576 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 189 transitions. [2021-11-23 01:48:17,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:48:17,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:17,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:17,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:17,614 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 01:48:17,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:17,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 117 states and 189 transitions. [2021-11-23 01:48:17,643 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 189 transitions. [2021-11-23 01:48:17,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-23 01:48:17,643 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:17,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:17,708 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 01:48:17,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:17,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 118 states and 189 transitions. [2021-11-23 01:48:17,734 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 189 transitions. [2021-11-23 01:48:17,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:48:17,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:17,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:17,909 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 01:48:20,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:20,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 137 states and 224 transitions. [2021-11-23 01:48:20,165 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 224 transitions. [2021-11-23 01:48:20,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:48:20,165 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:20,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:20,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:20,424 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 01:48:23,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:23,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 155 states and 256 transitions. [2021-11-23 01:48:23,572 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 256 transitions. [2021-11-23 01:48:23,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:48:23,573 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:23,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:23,742 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 01:48:23,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:23,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 156 states and 256 transitions. [2021-11-23 01:48:23,771 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 256 transitions. [2021-11-23 01:48:23,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:48:23,773 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:23,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:23,826 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 01:48:23,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:23,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 157 states and 256 transitions. [2021-11-23 01:48:23,853 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 256 transitions. [2021-11-23 01:48:23,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:48:23,854 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:23,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:24,034 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 01:48:24,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:24,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 158 states and 256 transitions. [2021-11-23 01:48:24,067 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 256 transitions. [2021-11-23 01:48:24,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:48:24,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:24,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:24,104 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 01:48:24,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:24,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 159 states and 256 transitions. [2021-11-23 01:48:24,132 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 256 transitions. [2021-11-23 01:48:24,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:48:24,133 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:24,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:24,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:24,300 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 01:48:24,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:24,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 160 states and 256 transitions. [2021-11-23 01:48:24,330 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 256 transitions. [2021-11-23 01:48:24,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:48:24,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:24,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:24,411 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 01:48:24,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:24,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 161 states and 256 transitions. [2021-11-23 01:48:24,438 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 256 transitions. [2021-11-23 01:48:24,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:48:24,439 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:24,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:25,384 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 01:48:27,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:27,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 165 states and 266 transitions. [2021-11-23 01:48:27,678 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 266 transitions. [2021-11-23 01:48:27,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:48:27,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:27,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:28,026 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:48:40,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:40,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 178 states and 292 transitions. [2021-11-23 01:48:40,101 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 292 transitions. [2021-11-23 01:48:40,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:48:40,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:40,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:40,750 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:48:57,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:57,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 181 states and 297 transitions. [2021-11-23 01:48:57,366 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 297 transitions. [2021-11-23 01:48:57,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:48:57,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:57,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:57,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:11,240 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:50:46,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:46,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 210 states and 395 transitions. [2021-11-23 01:50:46,741 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 395 transitions. [2021-11-23 01:50:46,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:50:46,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:46,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:46,791 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:50:47,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:47,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 212 states and 395 transitions. [2021-11-23 01:50:47,903 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 395 transitions. [2021-11-23 01:50:47,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-11-23 01:50:47,905 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:47,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:50,142 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:51:15,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:15,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 220 states and 415 transitions. [2021-11-23 01:51:15,261 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 415 transitions. [2021-11-23 01:51:15,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-23 01:51:15,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:15,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:15,793 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:51:44,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:44,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 234 states and 450 transitions. [2021-11-23 01:51:44,565 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 450 transitions. [2021-11-23 01:51:44,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-23 01:51:44,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:44,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:45,095 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-11-23 01:52:04,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:04,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 243 states and 471 transitions. [2021-11-23 01:52:04,066 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 471 transitions. [2021-11-23 01:52:04,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-23 01:52:04,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:04,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:04,581 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-23 01:52:12,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:12,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 247 states and 479 transitions. [2021-11-23 01:52:12,489 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 479 transitions. [2021-11-23 01:52:12,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 01:52:12,490 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:12,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:12,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:54,515 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:57:35,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:57:35,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 276 states and 596 transitions. [2021-11-23 01:57:35,315 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 596 transitions. [2021-11-23 01:57:35,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 01:57:35,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:57:35,317 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:57:35,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:57:37,231 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.