./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem06_label12.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ae4b76-3cec-4d43-a280-20348d06c8df/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ae4b76-3cec-4d43-a280-20348d06c8df/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_f1ae4b76-3cec-4d43-a280-20348d06c8df/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ae4b76-3cec-4d43-a280-20348d06c8df/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem06_label12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ae4b76-3cec-4d43-a280-20348d06c8df/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_f1ae4b76-3cec-4d43-a280-20348d06c8df/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 c3c3dbbc31a7259c4d799bc77685e2e779742dea8e05ba402c7ff85d4793c53b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:11:21,640 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:11:21,717 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ae4b76-3cec-4d43-a280-20348d06c8df/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:11:21,723 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:11:21,724 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:11:21,750 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:11:21,751 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:11:21,752 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:11:21,753 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:11:21,754 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:11:21,754 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:11:21,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:11:21,755 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:11:21,756 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:11:21,756 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:11:21,757 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:11:21,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:11:21,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:11:21,758 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:11:21,759 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:11:21,759 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:11:21,765 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:11:21,766 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:11:21,766 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:11:21,767 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:11:21,767 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:11:21,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:21,769 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:11:21,769 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:11:21,770 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:11:21,770 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:11:21,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:11:21,771 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:11:21,772 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_f1ae4b76-3cec-4d43-a280-20348d06c8df/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ae4b76-3cec-4d43-a280-20348d06c8df/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3c3dbbc31a7259c4d799bc77685e2e779742dea8e05ba402c7ff85d4793c53b [2023-11-24 22:11:22,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:11:22,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:11:22,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:11:22,079 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:11:22,079 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:11:22,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ae4b76-3cec-4d43-a280-20348d06c8df/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/eca-rers2012/Problem06_label12.c [2023-11-24 22:11:25,349 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:11:26,092 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:11:26,093 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ae4b76-3cec-4d43-a280-20348d06c8df/sv-benchmarks/c/eca-rers2012/Problem06_label12.c [2023-11-24 22:11:26,144 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ae4b76-3cec-4d43-a280-20348d06c8df/bin/ukojak-verify-afCqCEvfdi/data/e62e2efbd/123f803487c440f0b9f8db5624424da4/FLAG3bfbb3eb1 [2023-11-24 22:11:26,165 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ae4b76-3cec-4d43-a280-20348d06c8df/bin/ukojak-verify-afCqCEvfdi/data/e62e2efbd/123f803487c440f0b9f8db5624424da4 [2023-11-24 22:11:26,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:11:26,176 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:11:26,180 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:26,180 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:11:26,185 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:11:26,186 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:26" (1/1) ... [2023-11-24 22:11:26,188 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@340fd408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:26, skipping insertion in model container [2023-11-24 22:11:26,188 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:11:26" (1/1) ... [2023-11-24 22:11:26,463 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:11:28,601 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_f1ae4b76-3cec-4d43-a280-20348d06c8df/sv-benchmarks/c/eca-rers2012/Problem06_label12.c[330310,330323] [2023-11-24 22:11:28,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:28,655 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:11:29,837 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_f1ae4b76-3cec-4d43-a280-20348d06c8df/sv-benchmarks/c/eca-rers2012/Problem06_label12.c[330310,330323] [2023-11-24 22:11:29,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:11:29,909 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:11:29,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:29 WrapperNode [2023-11-24 22:11:29,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:11:29,912 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:29,912 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:11:29,912 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:11:29,920 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:29" (1/1) ... [2023-11-24 22:11:30,049 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:29" (1/1) ... [2023-11-24 22:11:30,376 INFO L138 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 10174 [2023-11-24 22:11:30,377 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:11:30,378 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:11:30,378 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:11:30,378 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:11:30,388 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:29" (1/1) ... [2023-11-24 22:11:30,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:29" (1/1) ... [2023-11-24 22:11:30,560 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:29" (1/1) ... [2023-11-24 22:11:30,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:29" (1/1) ... [2023-11-24 22:11:30,760 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:29" (1/1) ... [2023-11-24 22:11:30,800 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:29" (1/1) ... [2023-11-24 22:11:30,875 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:29" (1/1) ... [2023-11-24 22:11:31,037 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:29" (1/1) ... [2023-11-24 22:11:31,204 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:11:31,206 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:11:31,206 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:11:31,206 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:11:31,207 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:11:29" (1/1) ... [2023-11-24 22:11:31,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:11:31,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ae4b76-3cec-4d43-a280-20348d06c8df/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:11:31,250 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ae4b76-3cec-4d43-a280-20348d06c8df/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:11:31,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1ae4b76-3cec-4d43-a280-20348d06c8df/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:11:31,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:11:31,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:11:31,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:11:31,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:11:31,530 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:11:31,546 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:11:40,302 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:11:41,858 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:11:41,858 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:11:41,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:41 BoogieIcfgContainer [2023-11-24 22:11:41,861 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:11:41,862 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:11:41,862 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:11:41,873 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:11:41,873 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:11:41" (1/1) ... [2023-11-24 22:11:41,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:11:41,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:41,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 938 states and 1864 transitions. [2023-11-24 22:11:41,975 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1864 transitions. [2023-11-24 22:11:42,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 930 [2023-11-24 22:11:42,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:42,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:42,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:45,951 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 22:11:53,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:53,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 1865 states and 3208 transitions. [2023-11-24 22:11:53,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 3208 transitions. [2023-11-24 22:11:53,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 934 [2023-11-24 22:11:53,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:53,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:56,158 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:56,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:56,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 1868 states and 3213 transitions. [2023-11-24 22:11:56,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 3213 transitions. [2023-11-24 22:11:56,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 935 [2023-11-24 22:11:56,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:56,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:11:58,430 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:11:58,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:11:58,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3220 states to 1872 states and 3220 transitions. [2023-11-24 22:11:58,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 3220 transitions. [2023-11-24 22:11:58,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 938 [2023-11-24 22:11:58,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:11:58,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:11:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:00,875 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:01,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:01,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3231 states to 1879 states and 3231 transitions. [2023-11-24 22:12:01,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 3231 transitions. [2023-11-24 22:12:01,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 939 [2023-11-24 22:12:01,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:01,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:01,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:04,131 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:04,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:04,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3244 states to 1887 states and 3244 transitions. [2023-11-24 22:12:04,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 3244 transitions. [2023-11-24 22:12:04,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 940 [2023-11-24 22:12:04,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:04,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat