./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_208c6893-8f9d-4a85-9d04-e2621ccb1645/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208c6893-8f9d-4a85-9d04-e2621ccb1645/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208c6893-8f9d-4a85-9d04-e2621ccb1645/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208c6893-8f9d-4a85-9d04-e2621ccb1645/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208c6893-8f9d-4a85-9d04-e2621ccb1645/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208c6893-8f9d-4a85-9d04-e2621ccb1645/bin/ukojak-verify-G8NBE6pJGL --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 aab72618ab8befdf7d3c20393ae3aa97ba59d5fce32037d3e275043b0cba9f2d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:08:10,505 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:08:10,641 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208c6893-8f9d-4a85-9d04-e2621ccb1645/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:08:10,650 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:08:10,651 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:08:10,693 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:08:10,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:08:10,695 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:08:10,696 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:08:10,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:08:10,702 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:08:10,702 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:08:10,703 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:08:10,704 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:08:10,705 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:08:10,705 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:08:10,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:08:10,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:08:10,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:08:10,707 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:08:10,708 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:08:10,708 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:08:10,709 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:08:10,709 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:08:10,710 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:08:10,710 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:08:10,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:10,711 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:08:10,711 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:08:10,712 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:08:10,713 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:08:10,713 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:08:10,714 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:08:10,714 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_208c6893-8f9d-4a85-9d04-e2621ccb1645/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208c6893-8f9d-4a85-9d04-e2621ccb1645/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aab72618ab8befdf7d3c20393ae3aa97ba59d5fce32037d3e275043b0cba9f2d [2023-11-19 04:08:10,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:08:11,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:08:11,010 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:08:11,011 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:08:11,012 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:08:11,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208c6893-8f9d-4a85-9d04-e2621ccb1645/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c [2023-11-19 04:08:14,242 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:08:14,529 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:08:14,532 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208c6893-8f9d-4a85-9d04-e2621ccb1645/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c [2023-11-19 04:08:14,543 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208c6893-8f9d-4a85-9d04-e2621ccb1645/bin/ukojak-verify-G8NBE6pJGL/data/30259a2ec/f60e4d2576d342979767a21b74860f3c/FLAGf2fefdd7b [2023-11-19 04:08:14,562 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208c6893-8f9d-4a85-9d04-e2621ccb1645/bin/ukojak-verify-G8NBE6pJGL/data/30259a2ec/f60e4d2576d342979767a21b74860f3c [2023-11-19 04:08:14,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:08:14,572 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:08:14,576 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:14,576 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:08:14,582 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:08:14,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:14" (1/1) ... [2023-11-19 04:08:14,585 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d0e8ae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:14, skipping insertion in model container [2023-11-19 04:08:14,585 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:14" (1/1) ... [2023-11-19 04:08:14,615 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:08:14,810 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_208c6893-8f9d-4a85-9d04-e2621ccb1645/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c[458,471] [2023-11-19 04:08:14,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:14,844 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:08:14,855 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_208c6893-8f9d-4a85-9d04-e2621ccb1645/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound100.c[458,471] [2023-11-19 04:08:14,863 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:14,879 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:08:14,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:14 WrapperNode [2023-11-19 04:08:14,880 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:14,881 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:14,881 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:08:14,881 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:08:14,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:14" (1/1) ... [2023-11-19 04:08:14,898 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:14" (1/1) ... [2023-11-19 04:08:14,927 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2023-11-19 04:08:14,931 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:14,933 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:08:14,933 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:08:14,933 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:08:14,941 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:14" (1/1) ... [2023-11-19 04:08:14,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:14" (1/1) ... [2023-11-19 04:08:14,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:14" (1/1) ... [2023-11-19 04:08:14,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:14" (1/1) ... [2023-11-19 04:08:14,946 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:14" (1/1) ... [2023-11-19 04:08:14,950 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:14" (1/1) ... [2023-11-19 04:08:14,951 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:14" (1/1) ... [2023-11-19 04:08:14,952 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:14" (1/1) ... [2023-11-19 04:08:14,954 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:08:14,955 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:08:14,955 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:08:14,955 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:08:14,957 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:14" (1/1) ... [2023-11-19 04:08:14,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:14,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208c6893-8f9d-4a85-9d04-e2621ccb1645/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:08:14,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208c6893-8f9d-4a85-9d04-e2621ccb1645/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:08:15,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_208c6893-8f9d-4a85-9d04-e2621ccb1645/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:08:15,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:08:15,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:08:15,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:08:15,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:08:15,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:08:15,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:08:15,136 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:08:15,139 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:08:15,386 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:08:15,453 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:08:15,453 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:08:15,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:15 BoogieIcfgContainer [2023-11-19 04:08:15,459 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:08:15,460 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:08:15,460 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:08:15,469 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:08:15,470 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:15" (1/1) ... [2023-11-19 04:08:15,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:08:15,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:15,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-11-19 04:08:15,536 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-11-19 04:08:15,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:08:15,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:15,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:15,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:08:15,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:15,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:15,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:15,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-11-19 04:08:15,766 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-19 04:08:15,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:08:15,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:15,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:15,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:08:15,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:15,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:16,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:16,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-19 04:08:16,051 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-19 04:08:16,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:08:16,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:16,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:16,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:08:16,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:16,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:16,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:16,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-11-19 04:08:16,525 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-11-19 04:08:16,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:08:16,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:16,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:16,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:08:16,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:16,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:17,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:17,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2023-11-19 04:08:17,138 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2023-11-19 04:08:17,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:08:17,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:17,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:17,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:08:17,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:17,253 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:17,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:17,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 30 states and 49 transitions. [2023-11-19 04:08:17,918 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 49 transitions. [2023-11-19 04:08:17,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:08:17,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:17,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:17,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:08:17,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:18,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:19,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:19,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 73 transitions. [2023-11-19 04:08:19,049 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 73 transitions. [2023-11-19 04:08:19,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:08:19,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:19,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:19,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:08:19,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:19,133 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:19,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:19,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 74 transitions. [2023-11-19 04:08:19,550 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 74 transitions. [2023-11-19 04:08:19,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:08:19,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:19,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:19,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:08:19,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:19,672 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:08:19,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:19,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 42 states and 84 transitions. [2023-11-19 04:08:19,794 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 84 transitions. [2023-11-19 04:08:19,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:08:19,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:19,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:19,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:08:19,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:19,977 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:21,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:21,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 50 states and 114 transitions. [2023-11-19 04:08:21,643 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 114 transitions. [2023-11-19 04:08:21,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:08:21,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:21,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:21,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:21,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:08:21,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:21,836 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:08:22,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:22,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 54 states and 129 transitions. [2023-11-19 04:08:22,800 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 129 transitions. [2023-11-19 04:08:22,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:08:22,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:22,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:22,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:08:22,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:22,897 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:08:23,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:23,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 56 states and 130 transitions. [2023-11-19 04:08:23,417 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 130 transitions. [2023-11-19 04:08:23,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:08:23,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:23,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:23,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:23,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:08:23,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:23,491 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:23,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:23,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 56 states and 129 transitions. [2023-11-19 04:08:23,733 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 129 transitions. [2023-11-19 04:08:23,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 04:08:23,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:23,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:23,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:08:23,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:23,825 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:08:24,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:24,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 58 states and 130 transitions. [2023-11-19 04:08:24,324 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 130 transitions. [2023-11-19 04:08:24,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:08:24,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:24,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:24,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 04:08:24,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:24,654 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:08:26,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:26,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 68 states and 171 transitions. [2023-11-19 04:08:26,970 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 171 transitions. [2023-11-19 04:08:26,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:08:26,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:26,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:27,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 04:08:27,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:27,072 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:08:27,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:27,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 70 states and 173 transitions. [2023-11-19 04:08:27,637 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 173 transitions. [2023-11-19 04:08:27,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:08:27,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:27,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:27,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 04:08:27,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:28,148 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:08:29,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:29,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 74 states and 188 transitions. [2023-11-19 04:08:29,911 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 188 transitions. [2023-11-19 04:08:29,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:08:29,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:29,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:29,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:29,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:08:29,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:30,153 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:32,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:32,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 82 states and 233 transitions. [2023-11-19 04:08:32,478 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 233 transitions. [2023-11-19 04:08:32,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:08:32,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:32,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:32,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 04:08:32,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:32,669 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:08:33,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:33,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 85 states and 236 transitions. [2023-11-19 04:08:33,836 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 236 transitions. [2023-11-19 04:08:33,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:08:33,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:33,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:34,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 04:08:34,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:34,700 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:08:35,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:35,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 87 states and 237 transitions. [2023-11-19 04:08:35,465 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 237 transitions. [2023-11-19 04:08:35,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:08:35,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:35,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:35,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:08:35,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:35,571 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:35,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:35,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 87 states and 236 transitions. [2023-11-19 04:08:35,899 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 236 transitions. [2023-11-19 04:08:35,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:08:35,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:35,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:36,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 04:08:36,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:36,088 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 04:08:36,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:36,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 89 states and 237 transitions. [2023-11-19 04:08:36,898 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 237 transitions. [2023-11-19 04:08:36,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:08:36,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:36,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:36,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:08:36,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:36,999 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:37,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:37,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 89 states and 236 transitions. [2023-11-19 04:08:37,367 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 236 transitions. [2023-11-19 04:08:37,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:08:37,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:37,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:37,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 04:08:37,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:37,954 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:08:42,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:42,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 99 states and 287 transitions. [2023-11-19 04:08:42,306 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 287 transitions. [2023-11-19 04:08:42,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:08:42,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:42,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:42,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 04:08:42,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:42,418 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:08:44,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:44,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 104 states and 292 transitions. [2023-11-19 04:08:44,688 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 292 transitions. [2023-11-19 04:08:44,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:08:44,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:44,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:44,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 04:08:44,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:44,794 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:08:45,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:45,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 106 states and 294 transitions. [2023-11-19 04:08:45,653 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 294 transitions. [2023-11-19 04:08:45,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:08:45,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:45,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:46,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 04:08:46,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:47,317 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 04:08:49,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:49,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 110 states and 312 transitions. [2023-11-19 04:08:49,891 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 312 transitions. [2023-11-19 04:08:49,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:08:49,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:49,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:50,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-19 04:08:50,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:50,777 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 14 proven. 39 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 04:08:52,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:52,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 113 states and 315 transitions. [2023-11-19 04:08:52,294 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 315 transitions. [2023-11-19 04:08:52,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:08:52,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:52,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:52,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 04:08:52,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:53,135 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 04:08:54,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:54,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 115 states and 316 transitions. [2023-11-19 04:08:54,352 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 316 transitions. [2023-11-19 04:08:54,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:08:54,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:54,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:54,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 04:08:54,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:54,777 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 7 proven. 46 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 04:08:55,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:55,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 117 states and 317 transitions. [2023-11-19 04:08:55,899 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 317 transitions. [2023-11-19 04:08:55,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:08:55,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:55,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:55,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:08:55,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:56,248 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:59,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:59,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 125 states and 374 transitions. [2023-11-19 04:08:59,877 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 374 transitions. [2023-11-19 04:08:59,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:08:59,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:59,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:00,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 04:09:00,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:00,214 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 04:09:01,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:01,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 128 states and 377 transitions. [2023-11-19 04:09:01,983 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 377 transitions. [2023-11-19 04:09:01,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:09:01,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:01,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:02,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:09:02,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:02,061 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:02,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:02,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 128 states and 376 transitions. [2023-11-19 04:09:02,574 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 376 transitions. [2023-11-19 04:09:02,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:09:02,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:02,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:02,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:02,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:09:02,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:02,696 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:03,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:03,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 128 states and 375 transitions. [2023-11-19 04:09:03,166 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 375 transitions. [2023-11-19 04:09:03,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:09:03,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:03,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:03,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:09:03,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:03,259 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:03,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:03,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 128 states and 374 transitions. [2023-11-19 04:09:03,734 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 374 transitions. [2023-11-19 04:09:03,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:09:03,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:03,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:03,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 04:09:03,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:04,419 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.