./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc6176a4-0cde-4960-b446-542310800481/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc6176a4-0cde-4960-b446-542310800481/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc6176a4-0cde-4960-b446-542310800481/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc6176a4-0cde-4960-b446-542310800481/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc6176a4-0cde-4960-b446-542310800481/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc6176a4-0cde-4960-b446-542310800481/bin/ukojak-verify-Qdu7aM0XO9 --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 5506d4c7458a400c41a33af3f6404f1e04b9f2e97e99f1fb53b74acf6bf59baf --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:47:11,570 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:47:11,644 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc6176a4-0cde-4960-b446-542310800481/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:47:11,650 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:47:11,651 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:47:11,682 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:47:11,683 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:47:11,684 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:47:11,685 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:47:11,686 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:47:11,686 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:47:11,687 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:47:11,688 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:47:11,688 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:47:11,689 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:47:11,690 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:47:11,690 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:47:11,691 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:47:11,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:47:11,692 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:47:11,693 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:47:11,697 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:47:11,698 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:47:11,698 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:47:11,699 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:47:11,699 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:47:11,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:47:11,700 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:47:11,701 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:47:11,701 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:47:11,702 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:47:11,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:47:11,703 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:47:11,703 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_dc6176a4-0cde-4960-b446-542310800481/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc6176a4-0cde-4960-b446-542310800481/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5506d4c7458a400c41a33af3f6404f1e04b9f2e97e99f1fb53b74acf6bf59baf [2023-12-02 21:47:11,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:47:11,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:47:11,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:47:11,984 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:47:11,985 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:47:11,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc6176a4-0cde-4960-b446-542310800481/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.c [2023-12-02 21:47:15,286 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:47:15,482 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:47:15,483 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc6176a4-0cde-4960-b446-542310800481/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.c [2023-12-02 21:47:15,491 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc6176a4-0cde-4960-b446-542310800481/bin/ukojak-verify-Qdu7aM0XO9/data/ce15841e0/8ad219f52f0246ebaaf43058b511825d/FLAG84fd81776 [2023-12-02 21:47:15,507 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc6176a4-0cde-4960-b446-542310800481/bin/ukojak-verify-Qdu7aM0XO9/data/ce15841e0/8ad219f52f0246ebaaf43058b511825d [2023-12-02 21:47:15,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:47:15,512 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:47:15,514 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:47:15,514 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:47:15,520 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:47:15,521 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:47:15" (1/1) ... [2023-12-02 21:47:15,522 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@415129aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:15, skipping insertion in model container [2023-12-02 21:47:15,522 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:47:15" (1/1) ... [2023-12-02 21:47:15,549 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:47:15,703 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_dc6176a4-0cde-4960-b446-542310800481/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.c[526,539] [2023-12-02 21:47:15,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:47:15,736 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:47:15,750 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_dc6176a4-0cde-4960-b446-542310800481/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound50.c[526,539] [2023-12-02 21:47:15,758 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:47:15,776 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:47:15,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:15 WrapperNode [2023-12-02 21:47:15,777 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:47:15,778 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:47:15,779 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:47:15,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:47:15,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:15" (1/1) ... [2023-12-02 21:47:15,796 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:15" (1/1) ... [2023-12-02 21:47:15,817 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 69 [2023-12-02 21:47:15,818 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:47:15,819 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:47:15,819 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:47:15,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:47:15,828 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:15" (1/1) ... [2023-12-02 21:47:15,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:15" (1/1) ... [2023-12-02 21:47:15,831 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:15" (1/1) ... [2023-12-02 21:47:15,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:15" (1/1) ... [2023-12-02 21:47:15,835 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:15" (1/1) ... [2023-12-02 21:47:15,838 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:15" (1/1) ... [2023-12-02 21:47:15,839 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:15" (1/1) ... [2023-12-02 21:47:15,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:15" (1/1) ... [2023-12-02 21:47:15,842 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:47:15,843 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:47:15,843 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:47:15,843 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:47:15,844 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:47:15" (1/1) ... [2023-12-02 21:47:15,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:47:15,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc6176a4-0cde-4960-b446-542310800481/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:47:15,879 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc6176a4-0cde-4960-b446-542310800481/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:47:15,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc6176a4-0cde-4960-b446-542310800481/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:47:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:47:15,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:47:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:47:15,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:47:15,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 21:47:15,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 21:47:16,016 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:47:16,018 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:47:16,192 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:47:16,242 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:47:16,242 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 21:47:16,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:47:16 BoogieIcfgContainer [2023-12-02 21:47:16,244 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:47:16,245 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:47:16,245 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:47:16,255 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:47:16,255 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:47:16" (1/1) ... [2023-12-02 21:47:16,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:47:16,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:16,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2023-12-02 21:47:16,327 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2023-12-02 21:47:16,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:47:16,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:16,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:16,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:16,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:47:16,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:16,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:47:16,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:16,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-12-02 21:47:16,562 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-12-02 21:47:16,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:47:16,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:16,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:16,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:47:16,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:16,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 43 transitions. [2023-12-02 21:47:16,868 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-02 21:47:16,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:47:16,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:16,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:16,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:47:16,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:16,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:47:17,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:17,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 46 transitions. [2023-12-02 21:47:17,222 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-12-02 21:47:17,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 21:47:17,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:17,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:17,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:47:17,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:17,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 52 transitions. [2023-12-02 21:47:17,753 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2023-12-02 21:47:17,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:47:17,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:17,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:17,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:47:17,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:18,055 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:47:19,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:19,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2023-12-02 21:47:19,141 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2023-12-02 21:47:19,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:47:19,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:19,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:19,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:47:19,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:19,258 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:47:19,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:19,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 42 states and 71 transitions. [2023-12-02 21:47:19,533 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2023-12-02 21:47:19,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:47:19,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:19,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:19,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:47:19,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:19,695 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:47:20,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:20,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 52 states and 106 transitions. [2023-12-02 21:47:20,987 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 106 transitions. [2023-12-02 21:47:20,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:47:20,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:20,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:21,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:47:21,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:21,118 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:47:21,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:21,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 54 states and 112 transitions. [2023-12-02 21:47:21,532 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 112 transitions. [2023-12-02 21:47:21,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 21:47:21,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:21,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:21,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:47:21,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:21,669 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 21:47:22,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:22,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 58 states and 123 transitions. [2023-12-02 21:47:22,494 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 123 transitions. [2023-12-02 21:47:22,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 21:47:22,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:22,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:22,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:47:22,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:22,563 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 21:47:22,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:22,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 60 states and 124 transitions. [2023-12-02 21:47:22,877 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 124 transitions. [2023-12-02 21:47:22,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 21:47:22,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:22,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:22,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 21:47:22,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:23,099 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 21:47:24,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:24,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 66 states and 145 transitions. [2023-12-02 21:47:24,677 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 145 transitions. [2023-12-02 21:47:24,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 21:47:24,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:24,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:24,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 21:47:24,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:24,821 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 21:47:25,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:25,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 68 states and 146 transitions. [2023-12-02 21:47:25,377 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 146 transitions. [2023-12-02 21:47:25,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 21:47:25,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:25,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:25,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:47:25,415 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:25,499 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 21:47:25,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:25,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 71 states and 159 transitions. [2023-12-02 21:47:25,755 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 159 transitions. [2023-12-02 21:47:25,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 21:47:25,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:25,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:25,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:47:25,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:25,886 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 21:47:27,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:27,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 76 states and 174 transitions. [2023-12-02 21:47:27,041 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 174 transitions. [2023-12-02 21:47:27,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 21:47:27,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:27,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:27,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:47:27,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:27,190 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 21:47:27,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:27,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 78 states and 181 transitions. [2023-12-02 21:47:27,700 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 181 transitions. [2023-12-02 21:47:27,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 21:47:27,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:27,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:27,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:47:27,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:27,971 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-12-02 21:47:28,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:28,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 78 states and 179 transitions. [2023-12-02 21:47:28,441 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 179 transitions. [2023-12-02 21:47:28,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 21:47:28,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:28,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:28,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:47:28,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:28,694 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 21:47:30,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:30,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 88 states and 239 transitions. [2023-12-02 21:47:30,834 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 239 transitions. [2023-12-02 21:47:30,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 21:47:30,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:30,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:30,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:47:30,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:30,937 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 21:47:31,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:31,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 88 states and 238 transitions. [2023-12-02 21:47:31,225 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 238 transitions. [2023-12-02 21:47:31,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 21:47:31,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:31,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:31,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:47:31,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:31,288 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 29 proven. 4 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-12-02 21:47:32,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:32,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 90 states and 245 transitions. [2023-12-02 21:47:32,269 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 245 transitions. [2023-12-02 21:47:32,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 21:47:32,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:32,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:32,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:32,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 21:47:32,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:32,428 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 36 proven. 42 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-12-02 21:47:33,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:33,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 92 states and 251 transitions. [2023-12-02 21:47:33,078 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 251 transitions. [2023-12-02 21:47:33,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 21:47:33,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:33,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:33,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:33,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:47:33,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:33,145 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2023-12-02 21:47:33,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:33,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 94 states and 252 transitions. [2023-12-02 21:47:33,537 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 252 transitions. [2023-12-02 21:47:33,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 21:47:33,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:33,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:33,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 21:47:33,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:33,815 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 15 proven. 38 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-12-02 21:47:36,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:36,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 100 states and 281 transitions. [2023-12-02 21:47:36,159 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 281 transitions. [2023-12-02 21:47:36,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 21:47:36,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:36,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:36,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 21:47:36,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:36,331 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 15 proven. 38 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-12-02 21:47:37,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:37,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 102 states and 282 transitions. [2023-12-02 21:47:37,205 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 282 transitions. [2023-12-02 21:47:37,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 21:47:37,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:37,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:37,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 21:47:37,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:37,364 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 15 proven. 38 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-12-02 21:47:38,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:38,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 105 states and 285 transitions. [2023-12-02 21:47:38,593 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 285 transitions. [2023-12-02 21:47:38,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 21:47:38,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:38,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:38,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-02 21:47:38,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:39,153 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 15 proven. 31 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-12-02 21:47:43,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:43,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 117 states and 337 transitions. [2023-12-02 21:47:43,094 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 337 transitions. [2023-12-02 21:47:43,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 21:47:43,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:43,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:43,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:47:43,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:43,479 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 21:47:45,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:45,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 122 states and 350 transitions. [2023-12-02 21:47:45,166 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 350 transitions. [2023-12-02 21:47:45,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 21:47:45,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:45,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:45,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-02 21:47:45,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:45,430 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 15 proven. 31 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-12-02 21:47:46,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:46,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 125 states and 355 transitions. [2023-12-02 21:47:46,542 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 355 transitions. [2023-12-02 21:47:46,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 21:47:46,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:46,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:46,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 32 conjunts are in the unsatisfiable core [2023-12-02 21:47:46,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:47,059 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 15 proven. 31 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-12-02 21:47:48,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:48,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 125 states and 354 transitions. [2023-12-02 21:47:48,196 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 354 transitions. [2023-12-02 21:47:48,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 21:47:48,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:48,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:48,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:47:48,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:48,276 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 16 proven. 92 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 21:47:49,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:49,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 129 states and 411 transitions. [2023-12-02 21:47:49,866 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 411 transitions. [2023-12-02 21:47:49,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 21:47:49,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:49,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:49,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 21:47:49,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:50,296 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 17 proven. 35 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-12-02 21:47:51,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:51,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 132 states and 425 transitions. [2023-12-02 21:47:51,723 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 425 transitions. [2023-12-02 21:47:51,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 21:47:51,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:51,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:51,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 21:47:51,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:52,120 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 17 proven. 25 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-12-02 21:47:53,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:53,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 132 states and 421 transitions. [2023-12-02 21:47:53,004 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 421 transitions. [2023-12-02 21:47:53,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:47:53,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:53,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:53,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:47:53,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:53,292 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-02 21:47:55,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:55,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 138 states and 438 transitions. [2023-12-02 21:47:55,657 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 438 transitions. [2023-12-02 21:47:55,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:47:55,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:55,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:55,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:55,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:47:55,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:55,775 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-02 21:47:56,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:56,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 138 states and 437 transitions. [2023-12-02 21:47:56,302 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 437 transitions. [2023-12-02 21:47:56,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:47:56,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:56,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:56,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:47:56,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:56,443 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 18 proven. 132 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-02 21:47:56,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:56,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 138 states and 436 transitions. [2023-12-02 21:47:56,911 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 436 transitions. [2023-12-02 21:47:56,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 21:47:56,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:56,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:56,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:47:56,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:56,969 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2023-12-02 21:47:57,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:57,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 138 states and 435 transitions. [2023-12-02 21:47:57,500 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 435 transitions. [2023-12-02 21:47:57,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 21:47:57,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:57,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:57,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:47:57,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:57,619 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 54 proven. 126 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-12-02 21:47:58,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:58,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 140 states and 443 transitions. [2023-12-02 21:47:58,650 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 443 transitions. [2023-12-02 21:47:58,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 21:47:58,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:58,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:58,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:47:58,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:58,720 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-12-02 21:47:59,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:59,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 142 states and 444 transitions. [2023-12-02 21:47:59,336 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 444 transitions. [2023-12-02 21:47:59,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-12-02 21:47:59,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:59,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:59,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 21:47:59,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:00,240 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 19 proven. 39 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2023-12-02 21:48:02,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:02,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 145 states and 467 transitions. [2023-12-02 21:48:02,073 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 467 transitions. [2023-12-02 21:48:02,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 21:48:02,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:02,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:02,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-02 21:48:02,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:03,203 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 21 proven. 64 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-12-02 21:48:10,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:10,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 151 states and 505 transitions. [2023-12-02 21:48:10,252 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 505 transitions. [2023-12-02 21:48:10,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 21:48:10,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:10,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:10,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-02 21:48:10,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:10,489 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 21 proven. 64 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-12-02 21:48:14,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:14,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 154 states and 509 transitions. [2023-12-02 21:48:14,358 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 509 transitions. [2023-12-02 21:48:14,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 21:48:14,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:14,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:14,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-02 21:48:14,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:14,574 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 21 proven. 64 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-12-02 21:48:16,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:16,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 156 states and 510 transitions. [2023-12-02 21:48:16,308 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 510 transitions. [2023-12-02 21:48:16,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 21:48:16,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:16,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:16,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-02 21:48:16,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:16,489 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 21 proven. 64 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-12-02 21:48:20,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:20,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 159 states and 514 transitions. [2023-12-02 21:48:20,288 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 514 transitions. [2023-12-02 21:48:20,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 21:48:20,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:20,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:20,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 21:48:20,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:20,688 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 22 proven. 11 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-02 21:48:21,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:21,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 160 states and 518 transitions. [2023-12-02 21:48:21,732 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 518 transitions. [2023-12-02 21:48:21,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 21:48:21,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:21,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:21,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:48:21,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:22,322 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 22 proven. 200 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 21:48:26,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:26,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 165 states and 536 transitions. [2023-12-02 21:48:26,376 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 536 transitions. [2023-12-02 21:48:26,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 21:48:26,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:26,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:26,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-02 21:48:26,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:27,260 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 21 proven. 52 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-12-02 21:48:35,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:35,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 177 states and 606 transitions. [2023-12-02 21:48:35,655 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 606 transitions. [2023-12-02 21:48:35,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 21:48:35,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:35,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:35,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:48:35,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:35,766 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 22 proven. 200 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 21:48:36,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:36,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 179 states and 611 transitions. [2023-12-02 21:48:36,905 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 611 transitions. [2023-12-02 21:48:36,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 21:48:36,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:36,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:36,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-02 21:48:36,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:37,477 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 21 proven. 52 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-12-02 21:48:42,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:42,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 182 states and 617 transitions. [2023-12-02 21:48:42,041 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 617 transitions. [2023-12-02 21:48:42,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 21:48:42,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:42,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:42,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:48:42,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:42,171 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 22 proven. 200 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 21:48:45,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:45,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 189 states and 692 transitions. [2023-12-02 21:48:45,398 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 692 transitions. [2023-12-02 21:48:45,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 21:48:45,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:45,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:45,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:45,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-02 21:48:45,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:45,974 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 21 proven. 52 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-12-02 21:48:49,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:49,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 192 states and 698 transitions. [2023-12-02 21:48:49,875 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 698 transitions. [2023-12-02 21:48:49,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 21:48:49,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:49,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:49,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:48:49,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:49,984 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 22 proven. 200 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 21:48:50,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:50,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 192 states and 697 transitions. [2023-12-02 21:48:50,929 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 697 transitions. [2023-12-02 21:48:50,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 21:48:50,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:50,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:50,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-02 21:48:50,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:51,283 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 21 proven. 52 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-12-02 21:48:52,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:52,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 192 states and 696 transitions. [2023-12-02 21:48:52,571 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 696 transitions. [2023-12-02 21:48:52,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-02 21:48:52,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:52,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:52,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 21:48:52,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:52,994 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 23 proven. 56 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-12-02 21:48:55,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:55,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 195 states and 712 transitions. [2023-12-02 21:48:55,087 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 712 transitions. [2023-12-02 21:48:55,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-02 21:48:55,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:55,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:55,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 21:48:55,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:55,287 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 23 proven. 34 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2023-12-02 21:48:56,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:56,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 195 states and 707 transitions. [2023-12-02 21:48:56,060 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 707 transitions. [2023-12-02 21:48:56,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-02 21:48:56,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:56,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:56,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:48:56,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:56,434 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-02 21:49:00,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:00,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 201 states and 728 transitions. [2023-12-02 21:49:00,784 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 728 transitions. [2023-12-02 21:49:00,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-02 21:49:00,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:00,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:00,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:49:00,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:00,919 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-02 21:49:01,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:01,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 201 states and 727 transitions. [2023-12-02 21:49:01,830 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 727 transitions. [2023-12-02 21:49:01,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-02 21:49:01,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:01,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:01,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:01,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:49:01,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:01,963 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-02 21:49:02,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:02,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 201 states and 726 transitions. [2023-12-02 21:49:02,914 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 726 transitions. [2023-12-02 21:49:02,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-02 21:49:02,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:02,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:02,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:02,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:49:02,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:03,082 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 24 proven. 260 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-12-02 21:49:04,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:04,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 201 states and 725 transitions. [2023-12-02 21:49:04,054 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 725 transitions. [2023-12-02 21:49:04,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 21:49:04,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:04,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:04,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:49:04,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:04,116 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 61 proven. 4 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2023-12-02 21:49:05,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:05,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 201 states and 724 transitions. [2023-12-02 21:49:05,011 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 724 transitions. [2023-12-02 21:49:05,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 21:49:05,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:05,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:05,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:49:05,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:05,161 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 72 proven. 252 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2023-12-02 21:49:06,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:06,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 203 states and 734 transitions. [2023-12-02 21:49:06,995 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 734 transitions. [2023-12-02 21:49:06,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-02 21:49:06,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:06,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:07,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:49:07,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:07,083 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-02 21:49:08,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:08,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 205 states and 735 transitions. [2023-12-02 21:49:08,305 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 735 transitions. [2023-12-02 21:49:08,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 21:49:08,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:08,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:08,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 21:49:08,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:09,107 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 44 proven. 5 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-02 21:49:12,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:12,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 207 states and 773 transitions. [2023-12-02 21:49:12,339 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 773 transitions. [2023-12-02 21:49:12,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-02 21:49:12,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:12,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:12,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:12,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:49:12,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:13,165 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 26 proven. 295 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 21:49:18,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:18,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 854 states to 212 states and 794 transitions. [2023-12-02 21:49:18,081 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 794 transitions. [2023-12-02 21:49:18,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-02 21:49:18,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:18,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:18,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:49:18,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:18,228 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 26 proven. 295 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 21:49:19,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:19,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 214 states and 802 transitions. [2023-12-02 21:49:19,765 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 802 transitions. [2023-12-02 21:49:19,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-02 21:49:19,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:19,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:19,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-02 21:49:19,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:20,676 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 25 proven. 66 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-12-02 21:49:23,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:23,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 219 states and 846 transitions. [2023-12-02 21:49:23,853 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 846 transitions. [2023-12-02 21:49:23,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-12-02 21:49:23,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:23,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:23,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:49:23,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:23,986 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 26 proven. 295 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 21:49:25,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:25,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 221 states and 852 transitions. [2023-12-02 21:49:25,355 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 852 transitions. [2023-12-02 21:49:25,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-02 21:49:25,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:25,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:25,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-02 21:49:25,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:25,845 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 27 proven. 96 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-12-02 21:49:35,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:35,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 227 states and 897 transitions. [2023-12-02 21:49:35,903 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 897 transitions. [2023-12-02 21:49:35,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-02 21:49:35,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:35,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:35,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-02 21:49:35,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:36,124 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 27 proven. 96 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-12-02 21:49:38,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:38,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 229 states and 898 transitions. [2023-12-02 21:49:38,471 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 898 transitions. [2023-12-02 21:49:38,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-02 21:49:38,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:38,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:38,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-02 21:49:38,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:38,677 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 27 proven. 96 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-12-02 21:49:41,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:41,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 232 states and 901 transitions. [2023-12-02 21:49:41,921 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 901 transitions. [2023-12-02 21:49:41,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-02 21:49:41,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:41,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:41,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:41,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-02 21:49:41,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:42,153 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 27 proven. 96 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-12-02 21:49:47,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:47,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 235 states and 904 transitions. [2023-12-02 21:49:47,639 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 904 transitions. [2023-12-02 21:49:47,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-12-02 21:49:47,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:47,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:47,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:47,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-02 21:49:47,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:47,835 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 27 proven. 96 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-12-02 21:49:51,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:51,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 238 states and 907 transitions. [2023-12-02 21:49:51,237 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 907 transitions. [2023-12-02 21:49:51,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-02 21:49:51,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:51,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:51,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-02 21:49:51,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:52,704 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 27 proven. 71 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-12-02 21:49:56,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:56,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 984 states to 241 states and 924 transitions. [2023-12-02 21:49:56,669 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 924 transitions. [2023-12-02 21:49:56,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-02 21:49:56,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:56,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:56,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:56,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-02 21:49:56,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:57,023 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 27 proven. 71 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-12-02 21:49:58,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:58,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 243 states and 928 transitions. [2023-12-02 21:49:58,720 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 928 transitions. [2023-12-02 21:49:58,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-02 21:49:58,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:58,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:58,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 21:49:58,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:59,048 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 27 proven. 71 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-12-02 21:50:01,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:01,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1004 states to 246 states and 944 transitions. [2023-12-02 21:50:01,352 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 944 transitions. [2023-12-02 21:50:01,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-02 21:50:01,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:01,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:01,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 21:50:01,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:02,432 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 27 proven. 79 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-12-02 21:50:14,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:14,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 260 states and 1035 transitions. [2023-12-02 21:50:14,356 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 1035 transitions. [2023-12-02 21:50:14,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-02 21:50:14,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:14,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:14,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:14,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:50:14,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:14,502 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 28 proven. 350 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-12-02 21:50:16,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:16,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 262 states and 1041 transitions. [2023-12-02 21:50:16,227 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 1041 transitions. [2023-12-02 21:50:16,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-02 21:50:16,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:16,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:16,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 21:50:16,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:16,565 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 27 proven. 79 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-12-02 21:50:23,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:23,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 267 states and 1049 transitions. [2023-12-02 21:50:23,843 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 1049 transitions. [2023-12-02 21:50:23,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-02 21:50:23,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:23,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:23,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:23,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 21:50:23,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:24,758 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 27 proven. 79 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-12-02 21:50:30,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:30,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 272 states and 1057 transitions. [2023-12-02 21:50:30,323 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 1057 transitions. [2023-12-02 21:50:30,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-02 21:50:30,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:30,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:30,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:30,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:50:30,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:30,478 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 28 proven. 350 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-12-02 21:50:37,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:37,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 279 states and 1159 transitions. [2023-12-02 21:50:37,672 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 1159 transitions. [2023-12-02 21:50:37,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-02 21:50:37,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:37,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:37,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 21:50:37,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:38,307 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 27 proven. 79 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-12-02 21:50:41,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:41,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 282 states and 1165 transitions. [2023-12-02 21:50:41,172 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 1165 transitions. [2023-12-02 21:50:41,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-02 21:50:41,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:41,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:41,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:50:41,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:41,336 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 28 proven. 350 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-12-02 21:50:42,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:42,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 282 states and 1164 transitions. [2023-12-02 21:50:42,578 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 1164 transitions. [2023-12-02 21:50:42,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-02 21:50:42,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:42,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:42,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 21:50:42,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:43,110 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 27 proven. 79 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-12-02 21:50:47,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:47,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 285 states and 1170 transitions. [2023-12-02 21:50:47,246 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 1170 transitions. [2023-12-02 21:50:47,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-12-02 21:50:47,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:47,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:47,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 21:50:47,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:47,663 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 27 proven. 79 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-12-02 21:50:48,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:48,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 287 states and 1171 transitions. [2023-12-02 21:50:48,878 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 1171 transitions. [2023-12-02 21:50:48,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-02 21:50:48,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:48,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:48,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-02 21:50:48,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:49,466 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 29 proven. 83 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2023-12-02 21:50:53,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:53,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 290 states and 1189 transitions. [2023-12-02 21:50:53,245 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 1189 transitions. [2023-12-02 21:50:53,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-02 21:50:53,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:53,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:53,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:50:53,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:53,409 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 30 proven. 420 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 21:50:59,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:59,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 294 states and 1197 transitions. [2023-12-02 21:50:59,619 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 1197 transitions. [2023-12-02 21:50:59,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-02 21:50:59,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:59,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:59,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 21:50:59,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:59,810 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 29 proven. 43 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2023-12-02 21:51:01,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:01,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 294 states and 1192 transitions. [2023-12-02 21:51:01,268 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 1192 transitions. [2023-12-02 21:51:01,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-02 21:51:01,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:01,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:01,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:51:01,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:01,444 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 30 proven. 420 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 21:51:02,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:02,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 294 states and 1191 transitions. [2023-12-02 21:51:02,848 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 1191 transitions. [2023-12-02 21:51:02,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-02 21:51:02,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:02,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:02,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 21:51:02,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:03,088 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 29 proven. 43 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2023-12-02 21:51:04,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:04,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1280 states to 294 states and 1190 transitions. [2023-12-02 21:51:04,399 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 1190 transitions. [2023-12-02 21:51:04,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 21:51:04,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:04,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:04,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 21:51:04,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:07,725 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 29 proven. 76 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2023-12-02 21:51:17,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:17,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 300 states and 1242 transitions. [2023-12-02 21:51:17,172 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 1242 transitions. [2023-12-02 21:51:17,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-12-02 21:51:17,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:17,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:17,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 21:51:17,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:17,736 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 29 proven. 76 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2023-12-02 21:51:20,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:20,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1335 states to 302 states and 1245 transitions. [2023-12-02 21:51:20,126 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 1245 transitions. [2023-12-02 21:51:20,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 21:51:20,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:20,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:20,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:20,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:51:20,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:20,768 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 30 proven. 430 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 21:51:26,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:26,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 305 states and 1263 transitions. [2023-12-02 21:51:26,029 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 1263 transitions. [2023-12-02 21:51:26,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 21:51:26,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:26,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:26,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:51:26,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:26,163 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 30 proven. 430 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 21:51:27,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:27,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 305 states and 1262 transitions. [2023-12-02 21:51:27,509 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 1262 transitions. [2023-12-02 21:51:27,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 21:51:27,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:27,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:27,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:27,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:51:27,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:27,649 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 30 proven. 430 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 21:51:29,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:29,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 305 states and 1261 transitions. [2023-12-02 21:51:29,151 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 1261 transitions. [2023-12-02 21:51:29,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-02 21:51:29,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:29,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:29,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:51:29,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:29,219 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 77 proven. 4 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2023-12-02 21:51:30,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:30,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 305 states and 1260 transitions. [2023-12-02 21:51:30,558 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 1260 transitions. [2023-12-02 21:51:30,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-02 21:51:30,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:30,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:30,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:51:30,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:30,708 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 90 proven. 420 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-12-02 21:51:33,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:33,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 307 states and 1273 transitions. [2023-12-02 21:51:33,207 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 1273 transitions. [2023-12-02 21:51:33,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-02 21:51:33,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:33,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:33,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:51:33,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:33,293 INFO L134 CoverageAnalysis]: Checked inductivity of 592 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2023-12-02 21:51:35,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:35,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 309 states and 1274 transitions. [2023-12-02 21:51:35,237 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 1274 transitions. [2023-12-02 21:51:35,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-12-02 21:51:35,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:35,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:35,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:35,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 37 conjunts are in the unsatisfiable core [2023-12-02 21:51:35,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:35,483 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 31 proven. 79 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-12-02 21:51:37,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:37,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1370 states to 310 states and 1280 transitions. [2023-12-02 21:51:37,830 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 1280 transitions. [2023-12-02 21:51:37,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-02 21:51:37,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:37,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:37,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 44 conjunts are in the unsatisfiable core [2023-12-02 21:51:37,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:39,057 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 31 proven. 93 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-12-02 21:51:44,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:44,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 315 states and 1328 transitions. [2023-12-02 21:51:44,185 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 1328 transitions. [2023-12-02 21:51:44,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-02 21:51:44,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:44,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:44,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:51:44,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:45,658 INFO L134 CoverageAnalysis]: Checked inductivity of 557 backedges. 32 proven. 469 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 21:51:50,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:50,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 318 states and 1338 transitions. [2023-12-02 21:51:50,803 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 1338 transitions. [2023-12-02 21:51:50,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-02 21:51:50,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:50,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:50,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:50,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:51:50,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:50,947 INFO L134 CoverageAnalysis]: Checked inductivity of 557 backedges. 32 proven. 469 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 21:51:57,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:57,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 324 states and 1460 transitions. [2023-12-02 21:51:57,252 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 1460 transitions. [2023-12-02 21:51:57,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-02 21:51:57,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:57,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:57,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:51:57,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:57,390 INFO L134 CoverageAnalysis]: Checked inductivity of 557 backedges. 32 proven. 469 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 21:51:59,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:59,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 326 states and 1467 transitions. [2023-12-02 21:51:59,525 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 1467 transitions. [2023-12-02 21:51:59,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-02 21:51:59,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:59,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:59,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 44 conjunts are in the unsatisfiable core [2023-12-02 21:51:59,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:00,476 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 31 proven. 93 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2023-12-02 21:52:02,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:02,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 328 states and 1471 transitions. [2023-12-02 21:52:02,840 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 1471 transitions. [2023-12-02 21:52:02,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-12-02 21:52:02,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:02,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:02,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:52:02,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:03,032 INFO L134 CoverageAnalysis]: Checked inductivity of 557 backedges. 32 proven. 469 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-02 21:52:05,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:05,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 330 states and 1479 transitions. [2023-12-02 21:52:05,604 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 1479 transitions. [2023-12-02 21:52:05,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-02 21:52:05,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:05,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:05,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-02 21:52:05,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:06,509 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 33 proven. 134 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-12-02 21:52:16,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:16,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 336 states and 1538 transitions. [2023-12-02 21:52:16,996 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 1538 transitions. [2023-12-02 21:52:16,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-02 21:52:16,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:16,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:17,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-02 21:52:17,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:17,278 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 33 proven. 134 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-12-02 21:52:22,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:22,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 339 states and 1541 transitions. [2023-12-02 21:52:22,212 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 1541 transitions. [2023-12-02 21:52:22,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-02 21:52:22,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:22,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:22,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-02 21:52:22,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:22,432 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 33 proven. 134 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-12-02 21:52:28,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:28,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 342 states and 1545 transitions. [2023-12-02 21:52:28,716 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 1545 transitions. [2023-12-02 21:52:28,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-02 21:52:28,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:28,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:28,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-02 21:52:28,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:28,968 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 33 proven. 134 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-12-02 21:52:33,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:33,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 344 states and 1546 transitions. [2023-12-02 21:52:33,123 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 1546 transitions. [2023-12-02 21:52:33,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-02 21:52:33,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:33,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:33,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-02 21:52:33,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:33,414 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 33 proven. 134 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-12-02 21:52:39,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:39,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 347 states and 1549 transitions. [2023-12-02 21:52:39,259 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 1549 transitions. [2023-12-02 21:52:39,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2023-12-02 21:52:39,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:39,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:39,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-02 21:52:39,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:39,552 INFO L134 CoverageAnalysis]: Checked inductivity of 663 backedges. 33 proven. 134 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-12-02 21:52:45,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:45,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 350 states and 1552 transitions. [2023-12-02 21:52:45,179 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 1552 transitions. [2023-12-02 21:52:45,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-02 21:52:45,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:45,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:45,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:45,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 21:52:45,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:46,496 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 33 proven. 98 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-12-02 21:52:51,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:51,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 353 states and 1574 transitions. [2023-12-02 21:52:51,709 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 1574 transitions. [2023-12-02 21:52:51,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-02 21:52:51,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:51,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:51,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 21:52:51,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:52,086 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 33 proven. 98 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-12-02 21:52:56,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:56,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1700 states to 356 states and 1595 transitions. [2023-12-02 21:52:56,174 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 1595 transitions. [2023-12-02 21:52:56,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-02 21:52:56,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:56,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:56,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:56,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 21:52:56,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:56,470 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 33 proven. 98 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-12-02 21:52:59,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:59,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 358 states and 1599 transitions. [2023-12-02 21:52:59,632 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 1599 transitions. [2023-12-02 21:52:59,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-02 21:52:59,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:59,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:59,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:59,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 21:52:59,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:01,663 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 33 proven. 112 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-12-02 21:53:19,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:19,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 372 states and 1708 transitions. [2023-12-02 21:53:19,530 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 1708 transitions. [2023-12-02 21:53:19,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-02 21:53:19,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:19,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:19,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 21:53:19,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:20,614 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 33 proven. 112 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-12-02 21:53:27,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:27,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1822 states to 377 states and 1717 transitions. [2023-12-02 21:53:27,200 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 1717 transitions. [2023-12-02 21:53:27,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-02 21:53:27,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:27,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:27,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:27,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 21:53:27,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:28,124 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 33 proven. 112 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-12-02 21:53:31,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:31,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 379 states and 1718 transitions. [2023-12-02 21:53:31,280 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 1718 transitions. [2023-12-02 21:53:31,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-02 21:53:31,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:31,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:31,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 21:53:31,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:31,756 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 33 proven. 112 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-12-02 21:53:35,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:35,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 382 states and 1726 transitions. [2023-12-02 21:53:35,404 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 1726 transitions. [2023-12-02 21:53:35,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-02 21:53:35,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:35,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:35,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:53:35,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:35,550 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 34 proven. 542 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-12-02 21:53:37,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:37,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1837 states to 384 states and 1732 transitions. [2023-12-02 21:53:37,877 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 1732 transitions. [2023-12-02 21:53:37,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-02 21:53:37,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:37,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:37,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 21:53:37,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:38,642 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 33 proven. 112 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-12-02 21:53:42,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:42,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 387 states and 1739 transitions. [2023-12-02 21:53:42,602 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 1739 transitions. [2023-12-02 21:53:42,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-02 21:53:42,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:42,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:42,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:42,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:53:42,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:42,752 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 34 proven. 542 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-12-02 21:53:47,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:47,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1854 states to 390 states and 1749 transitions. [2023-12-02 21:53:47,993 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 1749 transitions. [2023-12-02 21:53:47,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-02 21:53:47,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:47,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:48,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 21:53:48,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:48,357 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 33 proven. 112 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-12-02 21:54:00,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:00,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1869 states to 398 states and 1764 transitions. [2023-12-02 21:54:00,013 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 1764 transitions. [2023-12-02 21:54:00,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-02 21:54:00,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:00,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:00,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:54:00,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:00,179 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 34 proven. 542 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-12-02 21:54:02,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:02,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1868 states to 398 states and 1763 transitions. [2023-12-02 21:54:02,518 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 1763 transitions. [2023-12-02 21:54:02,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-02 21:54:02,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:02,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:02,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:02,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:54:02,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:02,693 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 34 proven. 542 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-12-02 21:54:04,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:04,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1867 states to 398 states and 1762 transitions. [2023-12-02 21:54:04,947 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 1762 transitions. [2023-12-02 21:54:04,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-02 21:54:04,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:04,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:05,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 21:54:05,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:05,511 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 33 proven. 112 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-12-02 21:54:11,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:11,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1873 states to 401 states and 1768 transitions. [2023-12-02 21:54:11,012 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 1768 transitions. [2023-12-02 21:54:11,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-02 21:54:11,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:11,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:11,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 21:54:11,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:11,475 INFO L134 CoverageAnalysis]: Checked inductivity of 641 backedges. 33 proven. 112 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-12-02 21:54:12,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:12,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1874 states to 403 states and 1769 transitions. [2023-12-02 21:54:12,973 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 1769 transitions. [2023-12-02 21:54:12,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-02 21:54:12,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:12,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:13,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 21:54:13,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:13,799 INFO L134 CoverageAnalysis]: Checked inductivity of 712 backedges. 35 proven. 116 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-12-02 21:54:18,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:18,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1896 states to 406 states and 1791 transitions. [2023-12-02 21:54:18,349 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 1791 transitions. [2023-12-02 21:54:18,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-02 21:54:18,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:18,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:18,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:18,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 21:54:18,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:18,547 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 35 proven. 52 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2023-12-02 21:54:19,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:19,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1910 states to 406 states and 1784 transitions. [2023-12-02 21:54:19,980 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 1784 transitions. [2023-12-02 21:54:19,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-02 21:54:19,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:19,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:20,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:54:20,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:20,781 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 36 proven. 642 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 21:54:29,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:29,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1939 states to 412 states and 1813 transitions. [2023-12-02 21:54:29,205 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 1813 transitions. [2023-12-02 21:54:29,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-02 21:54:29,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:29,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:29,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:29,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:54:29,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:29,369 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 36 proven. 642 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 21:54:30,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:30,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1938 states to 412 states and 1812 transitions. [2023-12-02 21:54:30,872 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 1812 transitions. [2023-12-02 21:54:30,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-02 21:54:30,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:30,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:30,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:54:30,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:31,033 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 36 proven. 642 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 21:54:32,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:32,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1937 states to 412 states and 1811 transitions. [2023-12-02 21:54:32,916 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 1811 transitions. [2023-12-02 21:54:32,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-02 21:54:32,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:32,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:32,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:54:32,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:33,102 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 36 proven. 642 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 21:54:34,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:34,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1936 states to 412 states and 1810 transitions. [2023-12-02 21:54:34,792 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 1810 transitions. [2023-12-02 21:54:34,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-02 21:54:34,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:34,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:34,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:54:34,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:34,945 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 36 proven. 642 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 21:54:36,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:36,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1935 states to 412 states and 1809 transitions. [2023-12-02 21:54:36,530 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 1809 transitions. [2023-12-02 21:54:36,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-02 21:54:36,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:36,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:36,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:54:36,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:36,688 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 36 proven. 642 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-02 21:54:38,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:38,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1934 states to 412 states and 1808 transitions. [2023-12-02 21:54:38,379 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 1808 transitions. [2023-12-02 21:54:38,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 21:54:38,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:38,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:38,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:38,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:54:38,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:39,844 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 36 proven. 609 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 21:54:52,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:52,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2102 states to 421 states and 1958 transitions. [2023-12-02 21:54:52,709 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 1958 transitions. [2023-12-02 21:54:52,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 21:54:52,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:52,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:52,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-02 21:54:52,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:55,927 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 35 proven. 112 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-12-02 21:55:19,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:19,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2233 states to 439 states and 2089 transitions. [2023-12-02 21:55:19,126 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 2089 transitions. [2023-12-02 21:55:19,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 21:55:19,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:19,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:19,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:55:19,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:19,282 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 36 proven. 609 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 21:55:22,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:22,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2239 states to 441 states and 2095 transitions. [2023-12-02 21:55:22,517 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 2095 transitions. [2023-12-02 21:55:22,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 21:55:22,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:22,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:22,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:55:22,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:22,671 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 36 proven. 609 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 21:55:28,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:28,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 444 states and 2105 transitions. [2023-12-02 21:55:28,354 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 2105 transitions. [2023-12-02 21:55:28,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 21:55:28,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:28,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:28,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:28,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-02 21:55:28,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:29,330 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 35 proven. 112 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-12-02 21:55:36,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:36,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2259 states to 448 states and 2115 transitions. [2023-12-02 21:55:36,718 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 2115 transitions. [2023-12-02 21:55:36,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 21:55:36,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:36,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:36,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-02 21:55:36,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:37,999 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 35 proven. 112 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-12-02 21:55:47,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:47,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2297 states to 456 states and 2153 transitions. [2023-12-02 21:55:47,174 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 2153 transitions. [2023-12-02 21:55:47,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 21:55:47,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:47,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:47,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:55:47,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:47,507 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 36 proven. 609 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 21:55:49,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:49,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2296 states to 456 states and 2152 transitions. [2023-12-02 21:55:49,062 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 2152 transitions. [2023-12-02 21:55:49,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 21:55:49,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:49,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:49,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:55:49,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:49,213 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 36 proven. 609 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 21:55:52,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:52,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2308 states to 458 states and 2164 transitions. [2023-12-02 21:55:52,148 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 2164 transitions. [2023-12-02 21:55:52,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 21:55:52,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:52,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:52,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:55:52,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:52,308 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 36 proven. 609 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 21:55:55,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:55,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 460 states and 2174 transitions. [2023-12-02 21:55:55,125 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 2174 transitions. [2023-12-02 21:55:55,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 21:55:55,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:55,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:55,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-02 21:55:55,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:56,559 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 35 proven. 112 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-12-02 21:56:04,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:04,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2328 states to 466 states and 2184 transitions. [2023-12-02 21:56:04,964 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 2184 transitions. [2023-12-02 21:56:04,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 21:56:04,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:04,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:05,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:56:05,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:05,118 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 36 proven. 609 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 21:56:07,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:07,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2337 states to 468 states and 2193 transitions. [2023-12-02 21:56:07,834 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 2193 transitions. [2023-12-02 21:56:07,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-12-02 21:56:07,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:07,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:07,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:07,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-02 21:56:07,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:09,302 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 35 proven. 112 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2023-12-02 21:56:12,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:12,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2340 states to 470 states and 2196 transitions. [2023-12-02 21:56:12,750 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 2196 transitions. [2023-12-02 21:56:12,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-02 21:56:12,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:12,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:12,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:56:12,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:12,819 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 93 proven. 4 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2023-12-02 21:56:14,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:14,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2339 states to 470 states and 2195 transitions. [2023-12-02 21:56:14,559 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 2195 transitions. [2023-12-02 21:56:14,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-02 21:56:14,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:14,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:14,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 21:56:14,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:14,720 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 108 proven. 630 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-02 21:56:18,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:18,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2358 states to 472 states and 2214 transitions. [2023-12-02 21:56:18,347 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 2214 transitions. [2023-12-02 21:56:18,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-02 21:56:18,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:18,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:18,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:56:18,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:18,438 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 798 trivial. 0 not checked. [2023-12-02 21:56:20,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:20,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2359 states to 474 states and 2215 transitions. [2023-12-02 21:56:20,813 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 2215 transitions. [2023-12-02 21:56:20,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-02 21:56:20,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:20,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:20,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 21:56:20,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:21,089 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 37 proven. 118 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-02 21:56:26,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:26,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2384 states to 477 states and 2240 transitions. [2023-12-02 21:56:26,096 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 2240 transitions. [2023-12-02 21:56:26,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-02 21:56:26,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:26,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:26,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-02 21:56:26,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:28,709 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 37 proven. 118 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-02 21:56:36,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:36,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2408 states to 480 states and 2264 transitions. [2023-12-02 21:56:36,225 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 2264 transitions. [2023-12-02 21:56:36,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-02 21:56:36,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:36,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:36,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-02 21:56:36,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:36,795 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 37 proven. 118 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-02 21:56:42,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:42,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2433 states to 483 states and 2289 transitions. [2023-12-02 21:56:42,692 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 2289 transitions. [2023-12-02 21:56:42,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-02 21:56:42,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:42,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:42,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 21:56:42,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:43,014 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 37 proven. 118 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-02 21:56:46,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:46,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2437 states to 485 states and 2293 transitions. [2023-12-02 21:56:46,585 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 2293 transitions. [2023-12-02 21:56:46,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-02 21:56:46,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:46,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:46,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 21:56:46,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:46,909 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 37 proven. 118 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-02 21:56:50,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:50,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2441 states to 487 states and 2297 transitions. [2023-12-02 21:56:50,686 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 2297 transitions. [2023-12-02 21:56:50,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-02 21:56:50,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:50,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:50,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 21:56:50,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:51,010 INFO L134 CoverageAnalysis]: Checked inductivity of 785 backedges. 37 proven. 118 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-02 21:56:54,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:54,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2445 states to 489 states and 2301 transitions. [2023-12-02 21:56:54,583 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 2301 transitions. [2023-12-02 21:56:54,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-02 21:56:54,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:54,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:54,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:56:54,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:54,749 INFO L134 CoverageAnalysis]: Checked inductivity of 791 backedges. 38 proven. 685 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-12-02 21:56:58,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:56:58,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2446 states to 490 states and 2302 transitions. [2023-12-02 21:56:58,380 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 2302 transitions. [2023-12-02 21:56:58,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-02 21:56:58,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:56:58,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:56:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:56:58,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 48 conjunts are in the unsatisfiable core [2023-12-02 21:56:58,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:56:59,828 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 37 proven. 126 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-02 21:57:08,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:08,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2497 states to 495 states and 2353 transitions. [2023-12-02 21:57:08,375 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 2353 transitions. [2023-12-02 21:57:08,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-02 21:57:08,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:08,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:08,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:57:08,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:08,533 INFO L134 CoverageAnalysis]: Checked inductivity of 791 backedges. 38 proven. 685 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-12-02 21:57:11,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:11,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2503 states to 497 states and 2359 transitions. [2023-12-02 21:57:11,726 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 2359 transitions. [2023-12-02 21:57:11,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-02 21:57:11,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:11,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:11,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 48 conjunts are in the unsatisfiable core [2023-12-02 21:57:11,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:12,367 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 37 proven. 126 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-02 21:57:18,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:18,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2515 states to 499 states and 2371 transitions. [2023-12-02 21:57:18,151 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 2371 transitions. [2023-12-02 21:57:18,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-02 21:57:18,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:18,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:18,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 48 conjunts are in the unsatisfiable core [2023-12-02 21:57:18,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:19,333 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 37 proven. 126 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-02 21:57:24,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:24,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2519 states to 501 states and 2375 transitions. [2023-12-02 21:57:24,176 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 2375 transitions. [2023-12-02 21:57:24,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-02 21:57:24,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:24,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:24,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:57:24,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:24,373 INFO L134 CoverageAnalysis]: Checked inductivity of 791 backedges. 38 proven. 685 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-12-02 21:57:27,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:27,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2527 states to 503 states and 2383 transitions. [2023-12-02 21:57:27,867 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 2383 transitions. [2023-12-02 21:57:27,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-02 21:57:27,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:27,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:28,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-02 21:57:28,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:29,326 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 39 proven. 178 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-02 21:57:45,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:45,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2594 states to 509 states and 2450 transitions. [2023-12-02 21:57:45,435 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 2450 transitions. [2023-12-02 21:57:45,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-02 21:57:45,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:45,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:45,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-02 21:57:45,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:45,663 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 39 proven. 178 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-02 21:57:52,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:52,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2597 states to 512 states and 2453 transitions. [2023-12-02 21:57:52,241 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 2453 transitions. [2023-12-02 21:57:52,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-02 21:57:52,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:52,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:52,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-02 21:57:52,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:57:52,505 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 39 proven. 178 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-02 21:58:01,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:01,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2601 states to 515 states and 2457 transitions. [2023-12-02 21:58:01,541 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 2457 transitions. [2023-12-02 21:58:01,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-02 21:58:01,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:01,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:01,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-02 21:58:01,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:01,801 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 39 proven. 178 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-02 21:58:06,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:06,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2602 states to 517 states and 2458 transitions. [2023-12-02 21:58:06,944 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 2458 transitions. [2023-12-02 21:58:06,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-02 21:58:06,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:06,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:06,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:07,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-02 21:58:07,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:07,185 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 39 proven. 178 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-02 21:58:13,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:13,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2605 states to 520 states and 2461 transitions. [2023-12-02 21:58:13,032 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 2461 transitions. [2023-12-02 21:58:13,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-02 21:58:13,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:13,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:13,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-02 21:58:13,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:13,281 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 39 proven. 178 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-02 21:58:19,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:19,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2608 states to 523 states and 2464 transitions. [2023-12-02 21:58:19,746 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 2464 transitions. [2023-12-02 21:58:19,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-02 21:58:19,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:19,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:19,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:19,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-02 21:58:19,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:19,971 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 39 proven. 178 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-02 21:58:26,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:26,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 526 states and 2467 transitions. [2023-12-02 21:58:26,624 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 2467 transitions. [2023-12-02 21:58:26,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-02 21:58:26,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:26,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:26,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 21:58:26,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:28,226 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 39 proven. 131 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-02 21:58:34,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:34,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 529 states and 2492 transitions. [2023-12-02 21:58:34,976 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 2492 transitions. [2023-12-02 21:58:34,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-02 21:58:34,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:34,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:35,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 21:58:35,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:35,356 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 39 proven. 131 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-02 21:58:40,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:40,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2661 states to 532 states and 2517 transitions. [2023-12-02 21:58:40,335 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 2517 transitions. [2023-12-02 21:58:40,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-02 21:58:40,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:40,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:40,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 21:58:40,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:40,785 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 39 proven. 131 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-02 21:58:44,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:44,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2665 states to 534 states and 2521 transitions. [2023-12-02 21:58:44,578 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 2521 transitions. [2023-12-02 21:58:44,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-02 21:58:44,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:44,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:44,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:58:44,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:44,731 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 40 proven. 776 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-12-02 21:58:51,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:51,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 537 states and 2528 transitions. [2023-12-02 21:58:51,897 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 2528 transitions. [2023-12-02 21:58:51,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-02 21:58:51,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:51,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:51,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:51,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:58:51,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:52,053 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 40 proven. 776 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-12-02 21:58:55,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:55,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2671 states to 537 states and 2527 transitions. [2023-12-02 21:58:55,448 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 2527 transitions. [2023-12-02 21:58:55,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-02 21:58:55,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:55,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:55,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:58:55,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:55,605 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 40 proven. 776 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-12-02 21:58:58,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:58,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2670 states to 537 states and 2526 transitions. [2023-12-02 21:58:58,592 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 2526 transitions. [2023-12-02 21:58:58,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-02 21:58:58,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:58,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:58,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 21:58:58,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:01,061 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 39 proven. 151 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-02 21:59:20,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:20,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2782 states to 551 states and 2638 transitions. [2023-12-02 21:59:20,105 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 2638 transitions. [2023-12-02 21:59:20,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-02 21:59:20,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:20,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:20,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:59:20,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:20,252 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 40 proven. 776 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-12-02 21:59:26,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:26,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2786 states to 553 states and 2642 transitions. [2023-12-02 21:59:26,353 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 2642 transitions. [2023-12-02 21:59:26,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-02 21:59:26,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:26,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:26,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 21:59:26,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:26,920 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 39 proven. 151 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-02 21:59:44,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:44,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2817 states to 561 states and 2673 transitions. [2023-12-02 21:59:44,985 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 2673 transitions. [2023-12-02 21:59:44,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-02 21:59:44,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:44,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:45,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:45,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 21:59:45,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:45,395 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 39 proven. 151 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-02 21:59:59,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:59,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2834 states to 569 states and 2690 transitions. [2023-12-02 21:59:59,995 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 2690 transitions. [2023-12-02 21:59:59,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-02 21:59:59,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:59,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:00,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 22:00:00,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:01,064 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 39 proven. 151 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-02 22:00:03,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:03,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2835 states to 571 states and 2691 transitions. [2023-12-02 22:00:03,370 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 2691 transitions. [2023-12-02 22:00:03,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-02 22:00:03,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:03,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:03,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 22:00:03,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:04,513 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 39 proven. 151 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-02 22:00:13,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:13,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2842 states to 576 states and 2698 transitions. [2023-12-02 22:00:13,351 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 2698 transitions. [2023-12-02 22:00:13,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-02 22:00:13,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:13,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:13,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:00:13,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:13,505 INFO L134 CoverageAnalysis]: Checked inductivity of 892 backedges. 40 proven. 776 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-12-02 22:00:15,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:15,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2843 states to 579 states and 2699 transitions. [2023-12-02 22:00:15,397 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 2699 transitions. [2023-12-02 22:00:15,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-02 22:00:15,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:15,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:15,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:15,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 22:00:15,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:16,477 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 39 proven. 151 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-02 22:00:23,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:23,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2851 states to 584 states and 2707 transitions. [2023-12-02 22:00:23,908 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 2707 transitions. [2023-12-02 22:00:23,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-02 22:00:23,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:23,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:23,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 22:00:23,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:24,331 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 39 proven. 151 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-02 22:00:28,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:28,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2858 states to 587 states and 2714 transitions. [2023-12-02 22:00:28,609 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 2714 transitions. [2023-12-02 22:00:28,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-12-02 22:00:28,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:28,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:28,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 22:00:28,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:29,065 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 39 proven. 151 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-02 22:00:36,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:36,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2864 states to 590 states and 2720 transitions. [2023-12-02 22:00:36,368 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 2720 transitions. [2023-12-02 22:00:36,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-02 22:00:36,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:36,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:36,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 52 conjunts are in the unsatisfiable core [2023-12-02 22:00:36,490 INFO L285 TraceCheckSpWp]: Computing forward predicates...