./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_35743266-8c2a-4412-8041-4d7273ff5dfe/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35743266-8c2a-4412-8041-4d7273ff5dfe/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35743266-8c2a-4412-8041-4d7273ff5dfe/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35743266-8c2a-4412-8041-4d7273ff5dfe/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35743266-8c2a-4412-8041-4d7273ff5dfe/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35743266-8c2a-4412-8041-4d7273ff5dfe/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 58e0ac80b52681cc0cdead13de3f6425618df79dffe8d2a1da55e71c89383d0a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:06:14,575 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:06:14,698 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35743266-8c2a-4412-8041-4d7273ff5dfe/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:06:14,703 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:06:14,707 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:06:14,747 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:06:14,748 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:06:14,748 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:06:14,749 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:06:14,754 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:06:14,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:06:14,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:06:14,756 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:06:14,757 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:06:14,758 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:06:14,758 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:06:14,759 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:06:14,759 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:06:14,760 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:06:14,760 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:06:14,761 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:06:14,761 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:06:14,762 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:06:14,762 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:06:14,763 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:06:14,763 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:06:14,764 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:06:14,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:06:14,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:06:14,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:06:14,766 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:06:14,767 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:06:14,767 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:06:14,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:06:14,768 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:06:14,768 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_35743266-8c2a-4412-8041-4d7273ff5dfe/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35743266-8c2a-4412-8041-4d7273ff5dfe/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58e0ac80b52681cc0cdead13de3f6425618df79dffe8d2a1da55e71c89383d0a [2023-11-23 20:06:15,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:06:15,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:06:15,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:06:15,055 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:06:15,055 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:06:15,057 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35743266-8c2a-4412-8041-4d7273ff5dfe/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound10.c [2023-11-23 20:06:18,234 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:06:18,427 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:06:18,428 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35743266-8c2a-4412-8041-4d7273ff5dfe/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound10.c [2023-11-23 20:06:18,436 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35743266-8c2a-4412-8041-4d7273ff5dfe/bin/ukojak-verify-1t5iHCbJaC/data/d55395729/5954b5b01c064b6881577e8cb01b4d31/FLAGce6934be6 [2023-11-23 20:06:18,452 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35743266-8c2a-4412-8041-4d7273ff5dfe/bin/ukojak-verify-1t5iHCbJaC/data/d55395729/5954b5b01c064b6881577e8cb01b4d31 [2023-11-23 20:06:18,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:06:18,457 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:06:18,459 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:06:18,459 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:06:18,465 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:06:18,466 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:06:18" (1/1) ... [2023-11-23 20:06:18,467 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fb8cf77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:18, skipping insertion in model container [2023-11-23 20:06:18,467 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:06:18" (1/1) ... [2023-11-23 20:06:18,489 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:06:18,720 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:06:18,740 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:06:18,773 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:06:18,792 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:06:18,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:18 WrapperNode [2023-11-23 20:06:18,792 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:06:18,794 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:06:18,794 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:06:18,794 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:06:18,800 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:18" (1/1) ... [2023-11-23 20:06:18,809 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:18" (1/1) ... [2023-11-23 20:06:18,844 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2023-11-23 20:06:18,844 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:06:18,845 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:06:18,846 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:06:18,846 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:06:18,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:18" (1/1) ... [2023-11-23 20:06:18,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:18" (1/1) ... [2023-11-23 20:06:18,866 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:18" (1/1) ... [2023-11-23 20:06:18,871 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:18" (1/1) ... [2023-11-23 20:06:18,875 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:18" (1/1) ... [2023-11-23 20:06:18,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:18" (1/1) ... [2023-11-23 20:06:18,886 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:18" (1/1) ... [2023-11-23 20:06:18,888 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:18" (1/1) ... [2023-11-23 20:06:18,890 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:06:18,891 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:06:18,891 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:06:18,891 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:06:18,892 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:06:18" (1/1) ... [2023-11-23 20:06:18,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:06:18,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35743266-8c2a-4412-8041-4d7273ff5dfe/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:06:18,936 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35743266-8c2a-4412-8041-4d7273ff5dfe/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:06:18,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35743266-8c2a-4412-8041-4d7273ff5dfe/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:06:18,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:06:18,980 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:06:18,981 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:06:18,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:06:18,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:06:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:06:18,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:06:18,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:06:19,043 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:06:19,045 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:06:19,280 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:06:19,346 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:06:19,347 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:06:19,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:06:19 BoogieIcfgContainer [2023-11-23 20:06:19,349 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:06:19,350 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:06:19,350 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:06:19,368 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:06:19,369 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:06:19" (1/1) ... [2023-11-23 20:06:19,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:06:19,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:19,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 60 states and 65 transitions. [2023-11-23 20:06:19,441 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 65 transitions. [2023-11-23 20:06:19,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:06:19,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:19,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:19,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:06:19,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:19,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:19,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:19,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 60 states and 64 transitions. [2023-11-23 20:06:19,741 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 64 transitions. [2023-11-23 20:06:19,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:06:19,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:19,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:19,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:19,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:19,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:19,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 62 states and 68 transitions. [2023-11-23 20:06:19,999 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 68 transitions. [2023-11-23 20:06:20,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:06:20,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:20,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:20,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:20,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:20,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 63 states and 69 transitions. [2023-11-23 20:06:20,150 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2023-11-23 20:06:20,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:06:20,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:20,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:20,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:06:20,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:20,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:20,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:20,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 64 states and 71 transitions. [2023-11-23 20:06:20,409 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 71 transitions. [2023-11-23 20:06:20,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:06:20,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:20,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:20,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:06:20,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:20,463 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:20,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:20,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 69 states and 80 transitions. [2023-11-23 20:06:20,673 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2023-11-23 20:06:20,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:06:20,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:20,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:20,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:06:20,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:20,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:20,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:20,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 70 states and 81 transitions. [2023-11-23 20:06:20,735 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2023-11-23 20:06:20,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:06:20,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:20,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:20,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:06:20,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:20,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:21,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:21,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 77 states and 93 transitions. [2023-11-23 20:06:21,369 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 93 transitions. [2023-11-23 20:06:21,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:06:21,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:21,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:21,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:06:21,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:21,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:22,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:22,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 85 states and 107 transitions. [2023-11-23 20:06:22,260 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 107 transitions. [2023-11-23 20:06:22,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:06:22,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:22,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:22,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:06:22,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:22,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:23,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:23,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 94 states and 121 transitions. [2023-11-23 20:06:23,642 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 121 transitions. [2023-11-23 20:06:23,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:06:23,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:23,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:23,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:06:23,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:23,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:25,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:25,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 101 states and 131 transitions. [2023-11-23 20:06:25,162 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 131 transitions. [2023-11-23 20:06:25,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:06:25,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:25,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:25,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:25,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:25,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:25,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:25,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 104 states and 137 transitions. [2023-11-23 20:06:25,385 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 137 transitions. [2023-11-23 20:06:25,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:06:25,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:25,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:25,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:25,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:25,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:25,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:25,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:25,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 108 states and 145 transitions. [2023-11-23 20:06:25,718 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 145 transitions. [2023-11-23 20:06:25,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:06:25,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:25,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:25,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:25,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:25,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:25,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:26,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:26,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 112 states and 153 transitions. [2023-11-23 20:06:26,192 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 153 transitions. [2023-11-23 20:06:26,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:06:26,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:26,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:26,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:26,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:26,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:26,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:26,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 116 states and 162 transitions. [2023-11-23 20:06:26,460 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 162 transitions. [2023-11-23 20:06:26,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:06:26,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:26,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:26,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:26,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:26,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:26,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:27,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:27,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 119 states and 166 transitions. [2023-11-23 20:06:27,104 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 166 transitions. [2023-11-23 20:06:27,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:06:27,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:27,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:27,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:27,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:27,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:27,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:27,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:28,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 123 states and 171 transitions. [2023-11-23 20:06:28,000 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 171 transitions. [2023-11-23 20:06:28,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:06:28,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:28,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:28,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:28,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:28,090 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:28,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:28,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 122 states and 170 transitions. [2023-11-23 20:06:28,263 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 170 transitions. [2023-11-23 20:06:28,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:06:28,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:28,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:28,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:28,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:28,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:29,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:29,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 128 states and 184 transitions. [2023-11-23 20:06:29,912 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 184 transitions. [2023-11-23 20:06:29,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:06:29,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:29,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:29,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:29,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:29,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:30,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:30,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 130 states and 186 transitions. [2023-11-23 20:06:30,551 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 186 transitions. [2023-11-23 20:06:30,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:06:30,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:30,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:30,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:30,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:30,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:30,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:31,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:31,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 137 states and 198 transitions. [2023-11-23 20:06:31,565 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 198 transitions. [2023-11-23 20:06:31,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:06:31,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:31,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:31,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:06:31,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:31,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:06:35,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:35,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 155 states and 226 transitions. [2023-11-23 20:06:35,019 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 226 transitions. [2023-11-23 20:06:35,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:06:35,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:35,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:35,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:35,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:06:35,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:35,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:06:35,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:35,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 158 states and 231 transitions. [2023-11-23 20:06:35,634 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 231 transitions. [2023-11-23 20:06:35,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:06:35,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:35,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:35,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:06:35,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:35,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:37,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:37,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 164 states and 246 transitions. [2023-11-23 20:06:37,212 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 246 transitions. [2023-11-23 20:06:37,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:06:37,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:37,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:37,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:06:37,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:37,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:37,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:37,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 168 states and 256 transitions. [2023-11-23 20:06:37,805 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 256 transitions. [2023-11-23 20:06:37,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:06:37,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:37,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:37,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:37,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:06:37,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:38,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:40,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:40,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 188 states and 303 transitions. [2023-11-23 20:06:40,727 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 303 transitions. [2023-11-23 20:06:40,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:06:40,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:40,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:40,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:06:40,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:40,807 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:41,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:41,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 192 states and 309 transitions. [2023-11-23 20:06:41,359 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 309 transitions. [2023-11-23 20:06:41,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:06:41,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:41,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:41,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:06:41,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:41,584 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:44,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:44,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 212 states and 356 transitions. [2023-11-23 20:06:44,339 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 356 transitions. [2023-11-23 20:06:44,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:06:44,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:44,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:44,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:44,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:06:44,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:44,635 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:46,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:46,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 219 states and 370 transitions. [2023-11-23 20:06:46,596 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 370 transitions. [2023-11-23 20:06:46,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:06:46,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:46,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:46,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:46,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:46,682 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:49,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:49,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 228 states and 388 transitions. [2023-11-23 20:06:49,491 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 388 transitions. [2023-11-23 20:06:49,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:06:49,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:49,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:49,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:49,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:49,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:49,567 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:49,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:49,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 229 states and 390 transitions. [2023-11-23 20:06:49,960 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 390 transitions. [2023-11-23 20:06:49,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:06:49,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:49,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:49,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:06:49,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:50,032 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:51,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:51,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 234 states and 397 transitions. [2023-11-23 20:06:51,373 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 397 transitions. [2023-11-23 20:06:51,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:06:51,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:51,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:51,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:06:51,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:52,115 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:06:57,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:57,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 253 states and 427 transitions. [2023-11-23 20:06:57,021 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 427 transitions. [2023-11-23 20:06:57,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:06:57,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:57,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:57,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:06:57,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:57,084 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:07:02,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:02,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 261 states and 446 transitions. [2023-11-23 20:07:02,371 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 446 transitions. [2023-11-23 20:07:02,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:07:02,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:02,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:02,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:02,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:07:02,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:02,430 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:07:02,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:02,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 263 states and 448 transitions. [2023-11-23 20:07:02,974 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 448 transitions. [2023-11-23 20:07:02,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:07:02,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:02,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:03,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:07:03,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:03,051 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:07:03,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:03,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 264 states and 449 transitions. [2023-11-23 20:07:03,682 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 449 transitions. [2023-11-23 20:07:03,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:07:03,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:03,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:03,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:07:03,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:03,763 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:07:04,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:04,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 265 states and 450 transitions. [2023-11-23 20:07:04,251 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 450 transitions. [2023-11-23 20:07:04,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:07:04,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:04,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:04,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:07:04,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:04,837 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:07:06,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:06,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 267 states and 453 transitions. [2023-11-23 20:07:06,207 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 453 transitions. [2023-11-23 20:07:06,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:07:06,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:06,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:06,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:07:06,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:06,463 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:07:10,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:10,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 277 states and 475 transitions. [2023-11-23 20:07:10,992 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 475 transitions. [2023-11-23 20:07:10,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:07:10,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:10,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:11,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:07:11,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:11,067 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:07:11,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:11,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 278 states and 486 transitions. [2023-11-23 20:07:11,384 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 486 transitions. [2023-11-23 20:07:11,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:07:11,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:11,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:11,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:11,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:07:11,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:11,515 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:07:11,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:11,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 279 states and 486 transitions. [2023-11-23 20:07:11,581 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 486 transitions. [2023-11-23 20:07:11,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:07:11,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:11,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:11,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:07:11,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:07:11,749 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.