./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82606b9e-d052-43bb-92ed-2785968c3ae6/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82606b9e-d052-43bb-92ed-2785968c3ae6/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82606b9e-d052-43bb-92ed-2785968c3ae6/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82606b9e-d052-43bb-92ed-2785968c3ae6/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82606b9e-d052-43bb-92ed-2785968c3ae6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82606b9e-d052-43bb-92ed-2785968c3ae6/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --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 789c6269b6c837c39e5b0813dd594e0c19ce69080695551f96da6c745d9ba590 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:54:46,915 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:54:47,044 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82606b9e-d052-43bb-92ed-2785968c3ae6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:54:47,054 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:54:47,055 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:54:47,108 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:54:47,109 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:54:47,110 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:54:47,111 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:54:47,116 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:54:47,117 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:54:47,117 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:54:47,118 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:54:47,120 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:54:47,120 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:54:47,121 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:54:47,121 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:54:47,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:54:47,122 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:54:47,122 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:54:47,123 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:54:47,124 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:54:47,124 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:54:47,125 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:54:47,125 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:54:47,126 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:54:47,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:47,127 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:54:47,127 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:54:47,128 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:54:47,129 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:54:47,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:54:47,130 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:54:47,130 INFO L153 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_82606b9e-d052-43bb-92ed-2785968c3ae6/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82606b9e-d052-43bb-92ed-2785968c3ae6/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 789c6269b6c837c39e5b0813dd594e0c19ce69080695551f96da6c745d9ba590 [2023-11-24 22:54:47,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:54:47,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:54:47,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:54:47,487 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:54:47,488 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:54:47,489 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82606b9e-d052-43bb-92ed-2785968c3ae6/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-11-24 22:54:50,608 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:54:50,966 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:54:50,967 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82606b9e-d052-43bb-92ed-2785968c3ae6/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2023-11-24 22:54:50,986 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82606b9e-d052-43bb-92ed-2785968c3ae6/bin/ukojak-verify-afCqCEvfdi/data/7e7dcf30e/590f32dda831439994831de5bc11acfd/FLAG590c31347 [2023-11-24 22:54:51,001 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82606b9e-d052-43bb-92ed-2785968c3ae6/bin/ukojak-verify-afCqCEvfdi/data/7e7dcf30e/590f32dda831439994831de5bc11acfd [2023-11-24 22:54:51,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:54:51,011 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:54:51,012 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:51,013 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:54:51,018 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:54:51,019 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:51" (1/1) ... [2023-11-24 22:54:51,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41a96761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:51, skipping insertion in model container [2023-11-24 22:54:51,020 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:54:51" (1/1) ... [2023-11-24 22:54:51,104 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:54:51,494 WARN L240 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_82606b9e-d052-43bb-92ed-2785968c3ae6/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14148,14161] [2023-11-24 22:54:51,518 WARN L240 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_82606b9e-d052-43bb-92ed-2785968c3ae6/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15124,15137] [2023-11-24 22:54:51,638 WARN L240 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_82606b9e-d052-43bb-92ed-2785968c3ae6/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26469,26482] [2023-11-24 22:54:51,647 WARN L240 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_82606b9e-d052-43bb-92ed-2785968c3ae6/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27116,27129] [2023-11-24 22:54:51,662 WARN L240 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_82606b9e-d052-43bb-92ed-2785968c3ae6/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[28392,28405] [2023-11-24 22:54:51,714 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:51,758 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:54:51,936 WARN L240 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_82606b9e-d052-43bb-92ed-2785968c3ae6/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[14148,14161] [2023-11-24 22:54:51,961 WARN L240 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_82606b9e-d052-43bb-92ed-2785968c3ae6/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[15124,15137] [2023-11-24 22:54:52,120 WARN L240 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_82606b9e-d052-43bb-92ed-2785968c3ae6/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[26469,26482] [2023-11-24 22:54:52,129 WARN L240 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_82606b9e-d052-43bb-92ed-2785968c3ae6/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[27116,27129] [2023-11-24 22:54:52,142 WARN L240 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_82606b9e-d052-43bb-92ed-2785968c3ae6/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[28392,28405] [2023-11-24 22:54:52,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:54:52,187 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:54:52,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:52 WrapperNode [2023-11-24 22:54:52,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:54:52,189 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:52,189 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:54:52,189 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:54:52,197 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:52" (1/1) ... [2023-11-24 22:54:52,224 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:52" (1/1) ... [2023-11-24 22:54:52,354 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1630 [2023-11-24 22:54:52,357 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:54:52,358 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:54:52,358 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:54:52,359 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:54:52,370 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:52" (1/1) ... [2023-11-24 22:54:52,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:52" (1/1) ... [2023-11-24 22:54:52,384 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:52" (1/1) ... [2023-11-24 22:54:52,384 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:52" (1/1) ... [2023-11-24 22:54:52,453 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:52" (1/1) ... [2023-11-24 22:54:52,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:52" (1/1) ... [2023-11-24 22:54:52,487 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:52" (1/1) ... [2023-11-24 22:54:52,510 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:52" (1/1) ... [2023-11-24 22:54:52,517 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:54:52,518 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:54:52,518 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:54:52,518 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:54:52,519 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:54:52" (1/1) ... [2023-11-24 22:54:52,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:54:52,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82606b9e-d052-43bb-92ed-2785968c3ae6/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:54:52,551 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82606b9e-d052-43bb-92ed-2785968c3ae6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:54:52,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82606b9e-d052-43bb-92ed-2785968c3ae6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:54:52,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:54:52,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:54:52,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:54:52,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:54:52,808 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:54:52,811 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:54:54,438 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:54:54,977 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:54:54,977 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:54:54,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:54 BoogieIcfgContainer [2023-11-24 22:54:54,979 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:54:54,980 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:54:54,980 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:54:54,990 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:54:54,991 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:54:54" (1/1) ... [2023-11-24 22:54:55,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:54:55,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:55,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 297 states and 514 transitions. [2023-11-24 22:54:55,069 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 514 transitions. [2023-11-24 22:54:55,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-24 22:54:55,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:55,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:56,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:56,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:56,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 374 states and 670 transitions. [2023-11-24 22:54:56,871 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 670 transitions. [2023-11-24 22:54:56,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-24 22:54:56,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:56,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:54:57,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:54:59,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:54:59,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 455 states and 832 transitions. [2023-11-24 22:54:59,130 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 832 transitions. [2023-11-24 22:54:59,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-24 22:54:59,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:54:59,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:54:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:00,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:02,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:02,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 465 states and 850 transitions. [2023-11-24 22:55:02,139 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 850 transitions. [2023-11-24 22:55:02,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 22:55:02,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:02,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:02,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:02,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:03,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:03,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 512 states and 944 transitions. [2023-11-24 22:55:03,960 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 944 transitions. [2023-11-24 22:55:03,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 22:55:03,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:03,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:04,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:04,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:04,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 558 states and 1036 transitions. [2023-11-24 22:55:04,840 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 1036 transitions. [2023-11-24 22:55:04,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 22:55:04,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:04,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:05,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:06,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:06,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 604 states and 1127 transitions. [2023-11-24 22:55:06,246 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 1127 transitions. [2023-11-24 22:55:06,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 22:55:06,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:06,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:06,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:06,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:06,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1122 states to 603 states and 1122 transitions. [2023-11-24 22:55:06,474 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 1122 transitions. [2023-11-24 22:55:06,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 22:55:06,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:06,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:06,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:07,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:07,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 650 states and 1217 transitions. [2023-11-24 22:55:07,843 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 1217 transitions. [2023-11-24 22:55:07,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 22:55:07,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:07,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:07,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:09,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:09,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 696 states and 1308 transitions. [2023-11-24 22:55:09,066 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 1308 transitions. [2023-11-24 22:55:09,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 22:55:09,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:09,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:09,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:10,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:10,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1398 states to 742 states and 1398 transitions. [2023-11-24 22:55:10,623 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1398 transitions. [2023-11-24 22:55:10,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 22:55:10,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:10,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:10,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:10,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:10,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 741 states and 1391 transitions. [2023-11-24 22:55:10,893 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1391 transitions. [2023-11-24 22:55:10,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 22:55:10,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:10,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:11,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:13,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:13,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 789 states and 1487 transitions. [2023-11-24 22:55:13,117 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1487 transitions. [2023-11-24 22:55:13,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 22:55:13,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:13,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:13,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:14,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:14,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1577 states to 835 states and 1577 transitions. [2023-11-24 22:55:14,786 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1577 transitions. [2023-11-24 22:55:14,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 22:55:14,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:14,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:14,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:14,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:14,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 833 states and 1567 transitions. [2023-11-24 22:55:14,990 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1567 transitions. [2023-11-24 22:55:14,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 22:55:14,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:14,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:15,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:15,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:17,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:17,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 881 states and 1660 transitions. [2023-11-24 22:55:17,656 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1660 transitions. [2023-11-24 22:55:17,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 22:55:17,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:17,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:17,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:19,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:19,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1749 states to 927 states and 1749 transitions. [2023-11-24 22:55:19,856 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1749 transitions. [2023-11-24 22:55:19,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 22:55:19,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:19,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:19,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:19,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:20,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:20,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 925 states and 1742 transitions. [2023-11-24 22:55:20,063 INFO L276 IsEmpty]: Start isEmpty. Operand 925 states and 1742 transitions. [2023-11-24 22:55:20,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 22:55:20,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:20,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:20,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:20,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:24,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:24,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 972 states and 1832 transitions. [2023-11-24 22:55:24,313 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1832 transitions. [2023-11-24 22:55:24,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 22:55:24,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:24,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:24,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:24,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:24,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1769 states to 938 states and 1769 transitions. [2023-11-24 22:55:24,525 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1769 transitions. [2023-11-24 22:55:24,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-24 22:55:24,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:24,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:24,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:24,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:26,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:26,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 982 states and 1857 transitions. [2023-11-24 22:55:26,863 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1857 transitions. [2023-11-24 22:55:26,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-24 22:55:26,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:26,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:26,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:28,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:34,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:34,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1868 states to 986 states and 1868 transitions. [2023-11-24 22:55:34,187 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1868 transitions. [2023-11-24 22:55:34,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-24 22:55:34,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:34,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:35,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:37,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:37,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1868 states to 987 states and 1868 transitions. [2023-11-24 22:55:37,122 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1868 transitions. [2023-11-24 22:55:37,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-24 22:55:37,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:37,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat