./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem06_label27.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_46a4c837-06d7-4416-83b7-c917cc53059a/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a4c837-06d7-4416-83b7-c917cc53059a/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_46a4c837-06d7-4416-83b7-c917cc53059a/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a4c837-06d7-4416-83b7-c917cc53059a/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem06_label27.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a4c837-06d7-4416-83b7-c917cc53059a/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_46a4c837-06d7-4416-83b7-c917cc53059a/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 7d2dbdc5eed6e160f831bb92a1a7f2092492a94c45e5106432208d2829a59ad9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:52:20,474 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:52:20,603 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a4c837-06d7-4416-83b7-c917cc53059a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:52:20,610 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:52:20,611 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:52:20,650 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:52:20,651 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:52:20,652 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:52:20,653 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:52:20,658 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:52:20,659 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:52:20,660 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:52:20,660 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:52:20,662 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:52:20,662 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:52:20,663 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:52:20,663 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:52:20,664 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:52:20,664 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:52:20,665 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:52:20,665 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:52:20,666 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:52:20,667 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:52:20,667 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:52:20,667 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:52:20,668 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:52:20,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:20,669 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:52:20,670 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:52:20,670 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:52:20,671 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:52:20,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:52:20,672 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:52:20,672 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_46a4c837-06d7-4416-83b7-c917cc53059a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a4c837-06d7-4416-83b7-c917cc53059a/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d2dbdc5eed6e160f831bb92a1a7f2092492a94c45e5106432208d2829a59ad9 [2023-11-24 22:52:20,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:52:20,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:52:20,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:52:20,979 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:52:20,980 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:52:20,981 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a4c837-06d7-4416-83b7-c917cc53059a/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/eca-rers2012/Problem06_label27.c [2023-11-24 22:52:24,141 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:52:24,943 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:52:24,944 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a4c837-06d7-4416-83b7-c917cc53059a/sv-benchmarks/c/eca-rers2012/Problem06_label27.c [2023-11-24 22:52:24,987 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a4c837-06d7-4416-83b7-c917cc53059a/bin/ukojak-verify-afCqCEvfdi/data/58f31a685/c1c6dbbb4d3549b29841e7d9391ec6d1/FLAG2012991a1 [2023-11-24 22:52:25,007 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a4c837-06d7-4416-83b7-c917cc53059a/bin/ukojak-verify-afCqCEvfdi/data/58f31a685/c1c6dbbb4d3549b29841e7d9391ec6d1 [2023-11-24 22:52:25,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:52:25,014 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:52:25,017 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:25,017 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:52:25,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:52:25,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:25" (1/1) ... [2023-11-24 22:52:25,025 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60d4a4e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:25, skipping insertion in model container [2023-11-24 22:52:25,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:52:25" (1/1) ... [2023-11-24 22:52:25,304 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:52:27,422 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_46a4c837-06d7-4416-83b7-c917cc53059a/sv-benchmarks/c/eca-rers2012/Problem06_label27.c[332424,332437] [2023-11-24 22:52:27,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:27,473 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:52:28,603 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_46a4c837-06d7-4416-83b7-c917cc53059a/sv-benchmarks/c/eca-rers2012/Problem06_label27.c[332424,332437] [2023-11-24 22:52:28,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:52:28,719 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:52:28,720 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28 WrapperNode [2023-11-24 22:52:28,720 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:52:28,721 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:28,721 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:52:28,722 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:52:28,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:28,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:29,245 INFO L138 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 10174 [2023-11-24 22:52:29,246 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:52:29,246 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:52:29,247 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:52:29,247 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:52:29,256 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:29,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:29,404 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:29,428 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:29,803 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:29,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:29,917 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:29,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:29,990 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:52:29,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:52:29,992 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:52:29,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:52:29,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:52:28" (1/1) ... [2023-11-24 22:52:29,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:52:30,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a4c837-06d7-4416-83b7-c917cc53059a/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:52:30,026 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a4c837-06d7-4416-83b7-c917cc53059a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:52:30,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46a4c837-06d7-4416-83b7-c917cc53059a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:52:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:52:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:52:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:52:30,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:52:30,204 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:52:30,208 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:52:38,084 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:52:39,677 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:52:39,677 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:52:39,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:39 BoogieIcfgContainer [2023-11-24 22:52:39,679 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:52:39,680 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:52:39,680 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:52:39,691 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:52:39,691 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:52:39" (1/1) ... [2023-11-24 22:52:39,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:52:39,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:39,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 938 states and 1864 transitions. [2023-11-24 22:52:39,781 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1864 transitions. [2023-11-24 22:52:39,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 930 [2023-11-24 22:52:39,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:39,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:45,561 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 22:52:53,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:53,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2824 states to 1865 states and 2824 transitions. [2023-11-24 22:52:53,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 2824 transitions. [2023-11-24 22:52:53,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 951 [2023-11-24 22:52:53,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:53,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:57,713 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:52:58,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:58,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 1885 states and 2846 transitions. [2023-11-24 22:52:58,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1885 states and 2846 transitions. [2023-11-24 22:52:58,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 974 [2023-11-24 22:52:58,272 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:58,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:58,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:00,255 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:01,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:01,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2892 states to 1928 states and 2892 transitions. [2023-11-24 22:53:01,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1928 states and 2892 transitions. [2023-11-24 22:53:01,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 996 [2023-11-24 22:53:01,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:01,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:01,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:53:03,798 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:53:05,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:53:05,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2961 states to 1993 states and 2961 transitions. [2023-11-24 22:53:05,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1993 states and 2961 transitions. [2023-11-24 22:53:05,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1000 [2023-11-24 22:53:05,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:53:05,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:53:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat