./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_6d88cba1-12ab-4cae-8e19-f9286e0a0586/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d88cba1-12ab-4cae-8e19-f9286e0a0586/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d88cba1-12ab-4cae-8e19-f9286e0a0586/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d88cba1-12ab-4cae-8e19-f9286e0a0586/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d88cba1-12ab-4cae-8e19-f9286e0a0586/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d88cba1-12ab-4cae-8e19-f9286e0a0586/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2d26d8e14d33b8c29eaf9ffa7603dd26966f962451e6c0726b154a73bf65f3d2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:04:21,544 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:04:21,672 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d88cba1-12ab-4cae-8e19-f9286e0a0586/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:04:21,683 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:04:21,684 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:04:21,720 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:04:21,721 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:04:21,722 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:04:21,723 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:04:21,728 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:04:21,729 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:04:21,729 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:04:21,730 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:04:21,731 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:04:21,732 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:04:21,732 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:04:21,733 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:04:21,733 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:04:21,734 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:04:21,734 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:04:21,734 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:04:21,735 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:04:21,735 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:04:21,736 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:04:21,736 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:04:21,736 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:04:21,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:21,737 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:04:21,738 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:04:21,738 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:04:21,738 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:04:21,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:04:21,740 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:04:21,741 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_6d88cba1-12ab-4cae-8e19-f9286e0a0586/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d88cba1-12ab-4cae-8e19-f9286e0a0586/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2d26d8e14d33b8c29eaf9ffa7603dd26966f962451e6c0726b154a73bf65f3d2 [2023-11-19 04:04:22,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:04:22,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:04:22,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:04:22,104 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:04:22,104 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:04:22,106 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d88cba1-12ab-4cae-8e19-f9286e0a0586/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound50.c [2023-11-19 04:04:25,192 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:04:25,429 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:04:25,430 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d88cba1-12ab-4cae-8e19-f9286e0a0586/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound50.c [2023-11-19 04:04:25,442 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d88cba1-12ab-4cae-8e19-f9286e0a0586/bin/ukojak-verify-G8NBE6pJGL/data/74a53f1ac/7ca9c4e14f6e425ca4d6bb86ee960381/FLAGe30707ea8 [2023-11-19 04:04:25,466 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d88cba1-12ab-4cae-8e19-f9286e0a0586/bin/ukojak-verify-G8NBE6pJGL/data/74a53f1ac/7ca9c4e14f6e425ca4d6bb86ee960381 [2023-11-19 04:04:25,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:04:25,474 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:04:25,478 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:25,478 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:04:25,484 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:04:25,484 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:25" (1/1) ... [2023-11-19 04:04:25,487 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d6f1b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:25, skipping insertion in model container [2023-11-19 04:04:25,487 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:04:25" (1/1) ... [2023-11-19 04:04:25,517 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:04:25,725 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_6d88cba1-12ab-4cae-8e19-f9286e0a0586/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound50.c[489,502] [2023-11-19 04:04:25,758 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:25,767 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:04:25,781 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_6d88cba1-12ab-4cae-8e19-f9286e0a0586/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound50.c[489,502] [2023-11-19 04:04:25,790 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:04:25,806 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:04:25,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:25 WrapperNode [2023-11-19 04:04:25,807 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:04:25,808 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:25,808 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:04:25,808 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:04:25,817 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:25" (1/1) ... [2023-11-19 04:04:25,824 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:25" (1/1) ... [2023-11-19 04:04:25,845 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2023-11-19 04:04:25,845 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:04:25,846 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:04:25,846 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:04:25,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:04:25,856 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:25" (1/1) ... [2023-11-19 04:04:25,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:25" (1/1) ... [2023-11-19 04:04:25,858 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:25" (1/1) ... [2023-11-19 04:04:25,858 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:25" (1/1) ... [2023-11-19 04:04:25,863 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:25" (1/1) ... [2023-11-19 04:04:25,867 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:25" (1/1) ... [2023-11-19 04:04:25,869 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:25" (1/1) ... [2023-11-19 04:04:25,870 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:25" (1/1) ... [2023-11-19 04:04:25,872 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:04:25,873 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:04:25,873 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:04:25,873 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:04:25,874 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:04:25" (1/1) ... [2023-11-19 04:04:25,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:04:25,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d88cba1-12ab-4cae-8e19-f9286e0a0586/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:04:25,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d88cba1-12ab-4cae-8e19-f9286e0a0586/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:04:25,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d88cba1-12ab-4cae-8e19-f9286e0a0586/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:04:25,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:04:25,947 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:04:25,947 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:04:25,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:04:25,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:04:25,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:04:25,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:04:25,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:04:26,020 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:04:26,023 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:04:26,192 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:04:26,243 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:04:26,244 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:04:26,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:26 BoogieIcfgContainer [2023-11-19 04:04:26,249 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:04:26,250 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:04:26,251 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:04:26,262 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:04:26,263 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:04:26" (1/1) ... [2023-11-19 04:04:26,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:04:26,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:26,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2023-11-19 04:04:26,338 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2023-11-19 04:04:26,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:04:26,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:26,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:26,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:04:26,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:26,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2023-11-19 04:04:26,549 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2023-11-19 04:04:26,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:04:26,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:26,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:26,692 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:04:26,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:26,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 35 transitions. [2023-11-19 04:04:26,779 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2023-11-19 04:04:26,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:04:26,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:26,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:26,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:04:26,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:27,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:04:27,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:27,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 50 transitions. [2023-11-19 04:04:27,274 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions. [2023-11-19 04:04:27,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:04:27,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:27,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:27,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:04:27,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:27,412 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:04:27,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:27,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 35 states and 59 transitions. [2023-11-19 04:04:27,912 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2023-11-19 04:04:27,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:04:27,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:27,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:27,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:04:27,988 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:28,148 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 04:04:28,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:28,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 70 transitions. [2023-11-19 04:04:28,890 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2023-11-19 04:04:28,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 04:04:28,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:28,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:28,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:04:28,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:28,979 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 04:04:29,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:29,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 41 states and 72 transitions. [2023-11-19 04:04:29,047 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2023-11-19 04:04:29,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:04:29,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:29,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:29,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 04:04:29,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:29,536 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 04:04:30,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:30,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 46 states and 87 transitions. [2023-11-19 04:04:30,709 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 87 transitions. [2023-11-19 04:04:30,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:04:30,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:30,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:30,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 04:04:30,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:30,925 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 04:04:32,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:32,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 56 states and 137 transitions. [2023-11-19 04:04:32,692 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 137 transitions. [2023-11-19 04:04:32,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 04:04:32,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:32,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:32,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 04:04:32,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:32,925 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 04:04:33,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:33,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 58 states and 141 transitions. [2023-11-19 04:04:33,626 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 141 transitions. [2023-11-19 04:04:33,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:04:33,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:33,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:33,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:04:33,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:33,813 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 04:04:34,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:34,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 62 states and 160 transitions. [2023-11-19 04:04:34,657 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 160 transitions. [2023-11-19 04:04:34,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:04:34,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:34,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:34,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 04:04:34,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:35,505 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 04:04:39,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:39,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 72 states and 193 transitions. [2023-11-19 04:04:39,091 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 193 transitions. [2023-11-19 04:04:39,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:04:39,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:39,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:39,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 04:04:39,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:39,527 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 04:04:40,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:40,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 75 states and 212 transitions. [2023-11-19 04:04:40,883 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 212 transitions. [2023-11-19 04:04:40,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:04:40,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:40,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:40,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 04:04:40,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:41,283 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 04:04:42,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:42,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 77 states and 216 transitions. [2023-11-19 04:04:42,125 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 216 transitions. [2023-11-19 04:04:42,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:04:42,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:42,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:42,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:42,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 04:04:42,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:42,464 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 04:04:43,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:43,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 79 states and 219 transitions. [2023-11-19 04:04:43,319 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 219 transitions. [2023-11-19 04:04:43,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 04:04:43,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:43,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:43,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 04:04:43,357 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:43,577 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 04:04:44,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:44,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 81 states and 224 transitions. [2023-11-19 04:04:44,970 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 224 transitions. [2023-11-19 04:04:44,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 04:04:44,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:44,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:45,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 04:04:45,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:45,087 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 04:04:45,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:45,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 84 states and 242 transitions. [2023-11-19 04:04:45,746 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 242 transitions. [2023-11-19 04:04:45,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:04:45,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:45,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:45,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:04:45,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:46,787 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 04:04:53,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:53,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 94 states and 273 transitions. [2023-11-19 04:04:53,194 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 273 transitions. [2023-11-19 04:04:53,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:04:53,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:53,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:53,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 04:04:53,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:53,812 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 11 proven. 5 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-19 04:04:55,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:55,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 96 states and 287 transitions. [2023-11-19 04:04:55,338 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 287 transitions. [2023-11-19 04:04:55,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:04:55,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:55,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:55,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 04:04:55,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:55,850 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 04:04:56,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:56,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 97 states and 289 transitions. [2023-11-19 04:04:56,250 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 289 transitions. [2023-11-19 04:04:56,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:04:56,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:56,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:56,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 04:04:56,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:56,992 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-19 04:04:59,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:04:59,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 101 states and 302 transitions. [2023-11-19 04:04:59,311 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 302 transitions. [2023-11-19 04:04:59,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:04:59,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:04:59,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:04:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:04:59,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 04:04:59,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:04:59,840 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-19 04:05:03,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:03,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 106 states and 322 transitions. [2023-11-19 04:05:03,176 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 322 transitions. [2023-11-19 04:05:03,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 04:05:03,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:03,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:03,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:05:03,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:04,024 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-19 04:05:06,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:06,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 110 states and 345 transitions. [2023-11-19 04:05:06,846 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 345 transitions. [2023-11-19 04:05:06,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 04:05:06,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:06,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:06,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:05:06,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:07,983 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2023-11-19 04:05:11,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:11,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 115 states and 382 transitions. [2023-11-19 04:05:11,977 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 382 transitions. [2023-11-19 04:05:11,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 04:05:11,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:11,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:12,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:05:12,026 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:12,371 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-11-19 04:05:15,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:15,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 121 states and 419 transitions. [2023-11-19 04:05:15,606 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 419 transitions. [2023-11-19 04:05:15,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 04:05:15,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:15,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:15,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 04:05:15,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:05:15,708 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 46 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked.