./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound50.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_67c632ce-a7aa-4e5f-8a18-3c3d88e1b8f8/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c632ce-a7aa-4e5f-8a18-3c3d88e1b8f8/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_67c632ce-a7aa-4e5f-8a18-3c3d88e1b8f8/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c632ce-a7aa-4e5f-8a18-3c3d88e1b8f8/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c632ce-a7aa-4e5f-8a18-3c3d88e1b8f8/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_67c632ce-a7aa-4e5f-8a18-3c3d88e1b8f8/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 0bcbcb4a55258889434b8bf703da9ec6fb29d07a2fbacad968a5ab15e005b314 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:19:10,540 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:19:10,671 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c632ce-a7aa-4e5f-8a18-3c3d88e1b8f8/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:19:10,697 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:19:10,698 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:19:10,744 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:19:10,745 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:19:10,746 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:19:10,747 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:19:10,749 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:19:10,750 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:19:10,751 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:19:10,752 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:19:10,754 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:19:10,755 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:19:10,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:19:10,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:19:10,760 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:19:10,762 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:19:10,763 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:19:10,763 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:19:10,764 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:19:10,764 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:19:10,765 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:19:10,766 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:19:10,766 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:19:10,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:10,767 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:19:10,768 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:19:10,768 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:19:10,770 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:19:10,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:19:10,770 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:19:10,771 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_67c632ce-a7aa-4e5f-8a18-3c3d88e1b8f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c632ce-a7aa-4e5f-8a18-3c3d88e1b8f8/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bcbcb4a55258889434b8bf703da9ec6fb29d07a2fbacad968a5ab15e005b314 [2023-11-24 22:19:11,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:19:11,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:19:11,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:19:11,136 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:19:11,137 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:19:11,138 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c632ce-a7aa-4e5f-8a18-3c3d88e1b8f8/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound50.c [2023-11-24 22:19:14,346 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:19:14,570 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:19:14,571 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c632ce-a7aa-4e5f-8a18-3c3d88e1b8f8/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound50.c [2023-11-24 22:19:14,579 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c632ce-a7aa-4e5f-8a18-3c3d88e1b8f8/bin/ukojak-verify-afCqCEvfdi/data/f4fe91497/078fc7a309dd4642a9e1fd6ae11a92a2/FLAG218f4a9d4 [2023-11-24 22:19:14,594 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c632ce-a7aa-4e5f-8a18-3c3d88e1b8f8/bin/ukojak-verify-afCqCEvfdi/data/f4fe91497/078fc7a309dd4642a9e1fd6ae11a92a2 [2023-11-24 22:19:14,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:19:14,598 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:19:14,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:14,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:19:14,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:19:14,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:14" (1/1) ... [2023-11-24 22:19:14,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33e278c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:14, skipping insertion in model container [2023-11-24 22:19:14,607 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:19:14" (1/1) ... [2023-11-24 22:19:14,632 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:19:14,821 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_67c632ce-a7aa-4e5f-8a18-3c3d88e1b8f8/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound50.c[588,601] [2023-11-24 22:19:14,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:14,854 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:19:14,865 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_67c632ce-a7aa-4e5f-8a18-3c3d88e1b8f8/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound50.c[588,601] [2023-11-24 22:19:14,877 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:19:14,893 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:19:14,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:14 WrapperNode [2023-11-24 22:19:14,893 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:19:14,895 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:14,895 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:19:14,895 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:19:14,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:14" (1/1) ... [2023-11-24 22:19:14,912 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:14" (1/1) ... [2023-11-24 22:19:14,934 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-11-24 22:19:14,935 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:19:14,936 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:19:14,936 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:19:14,936 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:19:14,946 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:14" (1/1) ... [2023-11-24 22:19:14,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:14" (1/1) ... [2023-11-24 22:19:14,948 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:14" (1/1) ... [2023-11-24 22:19:14,948 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:14" (1/1) ... [2023-11-24 22:19:14,952 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:14" (1/1) ... [2023-11-24 22:19:14,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:14" (1/1) ... [2023-11-24 22:19:14,957 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:14" (1/1) ... [2023-11-24 22:19:14,958 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:14" (1/1) ... [2023-11-24 22:19:14,960 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:19:14,961 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:19:14,962 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:19:14,962 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:19:14,963 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:19:14" (1/1) ... [2023-11-24 22:19:14,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:19:14,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c632ce-a7aa-4e5f-8a18-3c3d88e1b8f8/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:19:15,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c632ce-a7aa-4e5f-8a18-3c3d88e1b8f8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:19:15,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67c632ce-a7aa-4e5f-8a18-3c3d88e1b8f8/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:19:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:19:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:19:15,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:19:15,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:19:15,040 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:19:15,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:19:15,102 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:19:15,104 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:19:15,304 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:19:15,369 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:19:15,369 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:19:15,371 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:15 BoogieIcfgContainer [2023-11-24 22:19:15,371 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:19:15,372 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:19:15,372 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:19:15,384 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:19:15,384 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:19:15" (1/1) ... [2023-11-24 22:19:15,394 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:19:15,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:15,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2023-11-24 22:19:15,453 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2023-11-24 22:19:15,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:19:15,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:15,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:15,853 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 22:19:16,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:16,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 46 transitions. [2023-11-24 22:19:16,019 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2023-11-24 22:19:16,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:19:16,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:16,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:16,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:19:16,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:16,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:19:16,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:16,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 29 states and 52 transitions. [2023-11-24 22:19:16,556 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2023-11-24 22:19:16,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:19:16,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:16,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:16,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:19:16,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:16,708 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:19:17,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:17,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 33 states and 60 transitions. [2023-11-24 22:19:17,065 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 60 transitions. [2023-11-24 22:19:17,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:19:17,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:17,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:17,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 22:19:17,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:17,262 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:19:17,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:17,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 34 states and 62 transitions. [2023-11-24 22:19:17,528 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2023-11-24 22:19:17,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:19:17,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:17,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:17,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:17,563 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:19:17,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:17,669 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:19:17,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:17,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 35 states and 64 transitions. [2023-11-24 22:19:17,765 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 64 transitions. [2023-11-24 22:19:17,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:19:17,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:17,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:17,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:17,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:19:17,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:17,958 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-24 22:19:18,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:18,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 42 states and 80 transitions. [2023-11-24 22:19:18,577 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 80 transitions. [2023-11-24 22:19:18,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:19:18,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:18,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:18,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:19:18,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:18,734 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-24 22:19:19,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:19,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 43 states and 81 transitions. [2023-11-24 22:19:19,306 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 81 transitions. [2023-11-24 22:19:19,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:19:19,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:19,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:19,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:19:19,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:19,474 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 11 proven. 19 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-24 22:19:19,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:19,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 46 states and 87 transitions. [2023-11-24 22:19:19,946 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 87 transitions. [2023-11-24 22:19:19,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:19:19,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:19,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:19,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:19:19,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:20,114 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 13 proven. 23 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-24 22:19:20,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:20,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 50 states and 95 transitions. [2023-11-24 22:19:20,740 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 95 transitions. [2023-11-24 22:19:20,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-24 22:19:20,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:20,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:20,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 22:19:20,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:20,973 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 15 proven. 27 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-24 22:19:21,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:21,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 51 states and 97 transitions. [2023-11-24 22:19:21,477 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 97 transitions. [2023-11-24 22:19:21,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 22:19:21,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:21,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:21,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:19:21,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:21,648 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 17 proven. 31 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-24 22:19:21,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:21,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 52 states and 100 transitions. [2023-11-24 22:19:21,894 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 100 transitions. [2023-11-24 22:19:21,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-24 22:19:21,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:21,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:21,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:19:21,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:21,984 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 39 proven. 13 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2023-11-24 22:19:22,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:22,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 54 states and 102 transitions. [2023-11-24 22:19:22,501 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 102 transitions. [2023-11-24 22:19:22,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 22:19:22,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:22,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:22,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:19:22,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:22,960 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 21 proven. 38 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-24 22:19:24,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:24,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 63 states and 119 transitions. [2023-11-24 22:19:24,159 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 119 transitions. [2023-11-24 22:19:24,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-24 22:19:24,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:24,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:24,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 22:19:24,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:24,638 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 21 proven. 44 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-24 22:19:25,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:25,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 66 states and 125 transitions. [2023-11-24 22:19:25,252 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 125 transitions. [2023-11-24 22:19:25,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-24 22:19:25,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:25,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:25,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 22:19:25,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:25,634 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 23 proven. 41 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-24 22:19:26,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:26,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 67 states and 128 transitions. [2023-11-24 22:19:26,246 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 128 transitions. [2023-11-24 22:19:26,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-24 22:19:26,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:26,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:26,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 22:19:26,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:26,497 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 23 proven. 49 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-24 22:19:27,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:27,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 71 states and 136 transitions. [2023-11-24 22:19:27,419 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 136 transitions. [2023-11-24 22:19:27,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-24 22:19:27,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:27,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:27,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-24 22:19:27,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:27,718 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 25 proven. 44 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-24 22:19:28,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:28,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 73 states and 141 transitions. [2023-11-24 22:19:28,527 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 141 transitions. [2023-11-24 22:19:28,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-24 22:19:28,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:28,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:28,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:19:28,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:28,814 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 25 proven. 54 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-24 22:19:29,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:29,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 74 states and 143 transitions. [2023-11-24 22:19:29,519 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 143 transitions. [2023-11-24 22:19:29,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-24 22:19:29,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:29,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:29,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:19:29,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:29,781 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 55 proven. 13 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2023-11-24 22:19:30,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:30,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 76 states and 146 transitions. [2023-11-24 22:19:30,507 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 146 transitions. [2023-11-24 22:19:30,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-24 22:19:30,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:30,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:30,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:30,567 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 22:19:30,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:30,750 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 27 proven. 59 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-11-24 22:19:31,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:31,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 77 states and 150 transitions. [2023-11-24 22:19:31,063 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 150 transitions. [2023-11-24 22:19:31,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-24 22:19:31,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:31,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:31,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:31,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:19:31,112 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:31,706 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 55 proven. 19 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2023-11-24 22:19:32,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:32,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 79 states and 153 transitions. [2023-11-24 22:19:32,883 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 153 transitions. [2023-11-24 22:19:32,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-24 22:19:32,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:32,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:32,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:19:32,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:32,969 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 69 proven. 13 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2023-11-24 22:19:33,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:33,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 79 states and 151 transitions. [2023-11-24 22:19:33,277 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 151 transitions. [2023-11-24 22:19:33,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-24 22:19:33,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:33,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:33,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:33,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-24 22:19:33,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:33,866 INFO L134 CoverageAnalysis]: Checked inductivity of 533 backedges. 31 proven. 67 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-24 22:19:35,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:35,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 82 states and 157 transitions. [2023-11-24 22:19:35,729 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 157 transitions. [2023-11-24 22:19:35,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-24 22:19:35,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:35,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:35,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-24 22:19:35,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:36,599 INFO L134 CoverageAnalysis]: Checked inductivity of 542 backedges. 31 proven. 76 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-11-24 22:19:37,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:37,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 85 states and 163 transitions. [2023-11-24 22:19:37,559 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 163 transitions. [2023-11-24 22:19:37,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-24 22:19:37,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:37,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:37,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 22:19:37,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:38,188 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 33 proven. 70 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-24 22:19:39,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:39,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 86 states and 166 transitions. [2023-11-24 22:19:39,126 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 166 transitions. [2023-11-24 22:19:39,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-24 22:19:39,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:39,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:39,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-24 22:19:39,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:39,761 INFO L134 CoverageAnalysis]: Checked inductivity of 611 backedges. 33 proven. 82 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-11-24 22:19:40,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:40,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 90 states and 173 transitions. [2023-11-24 22:19:40,885 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 173 transitions. [2023-11-24 22:19:40,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-24 22:19:40,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:40,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:40,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:40,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 22:19:40,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:41,406 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 35 proven. 73 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-11-24 22:19:42,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:42,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 92 states and 177 transitions. [2023-11-24 22:19:42,513 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 177 transitions. [2023-11-24 22:19:42,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-24 22:19:42,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:42,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:42,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-24 22:19:42,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:42,889 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 35 proven. 88 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-11-24 22:19:43,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:43,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 93 states and 179 transitions. [2023-11-24 22:19:43,874 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 179 transitions. [2023-11-24 22:19:43,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-11-24 22:19:43,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:43,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:43,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 22:19:43,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:44,195 INFO L134 CoverageAnalysis]: Checked inductivity of 761 backedges. 37 proven. 94 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-24 22:19:44,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:44,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 94 states and 183 transitions. [2023-11-24 22:19:44,686 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 183 transitions. [2023-11-24 22:19:44,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-24 22:19:44,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:44,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:44,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:44,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:19:44,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:44,774 INFO L134 CoverageAnalysis]: Checked inductivity of 842 backedges. 99 proven. 13 refuted. 0 times theorem prover too weak. 730 trivial. 0 not checked. [2023-11-24 22:19:45,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:45,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 94 states and 181 transitions. [2023-11-24 22:19:45,173 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 181 transitions. [2023-11-24 22:19:45,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-24 22:19:45,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:45,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:45,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-24 22:19:45,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:45,845 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 41 proven. 103 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-11-24 22:19:48,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:48,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 97 states and 187 transitions. [2023-11-24 22:19:48,130 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 187 transitions. [2023-11-24 22:19:48,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2023-11-24 22:19:48,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:48,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:48,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-24 22:19:48,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:49,418 INFO L134 CoverageAnalysis]: Checked inductivity of 936 backedges. 41 proven. 115 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-11-24 22:19:50,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:50,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 100 states and 193 transitions. [2023-11-24 22:19:50,579 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 193 transitions. [2023-11-24 22:19:50,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-24 22:19:50,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:50,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:50,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:50,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-24 22:19:50,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:51,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1010 backedges. 43 proven. 106 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-24 22:19:52,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:52,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 101 states and 196 transitions. [2023-11-24 22:19:52,955 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 196 transitions. [2023-11-24 22:19:52,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-24 22:19:52,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:52,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:53,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-24 22:19:53,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:54,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1026 backedges. 43 proven. 122 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-24 22:19:55,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:55,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 105 states and 203 transitions. [2023-11-24 22:19:55,491 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 203 transitions. [2023-11-24 22:19:55,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-24 22:19:55,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:55,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:55,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-24 22:19:55,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:56,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1100 backedges. 45 proven. 109 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-24 22:19:58,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:58,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 107 states and 207 transitions. [2023-11-24 22:19:58,181 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 207 transitions. [2023-11-24 22:19:58,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-24 22:19:58,182 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:58,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:19:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:19:58,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-24 22:19:58,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:19:58,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 45 proven. 129 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-11-24 22:19:59,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:19:59,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 108 states and 210 transitions. [2023-11-24 22:19:59,998 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 210 transitions. [2023-11-24 22:19:59,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-24 22:19:59,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:19:59,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:00,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-24 22:20:00,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:20:00,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1218 backedges. 47 proven. 136 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-11-24 22:20:01,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:01,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 110 states and 216 transitions. [2023-11-24 22:20:01,390 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 216 transitions. [2023-11-24 22:20:01,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-24 22:20:01,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:01,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:01,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:20:01,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:20:01,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1320 backedges. 129 proven. 13 refuted. 0 times theorem prover too weak. 1178 trivial. 0 not checked. [2023-11-24 22:20:01,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:01,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 110 states and 214 transitions. [2023-11-24 22:20:01,981 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 214 transitions. [2023-11-24 22:20:01,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-24 22:20:01,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:01,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:02,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:02,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-24 22:20:02,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:20:02,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1422 backedges. 51 proven. 146 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-24 22:20:05,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:20:05,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 113 states and 220 transitions. [2023-11-24 22:20:05,526 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 220 transitions. [2023-11-24 22:20:05,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-24 22:20:05,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:20:05,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:20:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:20:05,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-24 22:20:05,627 INFO L285 TraceCheckSpWp]: Computing forward predicates...