./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae6292c-2d42-445b-9dc6-0d3f1338f0b7/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae6292c-2d42-445b-9dc6-0d3f1338f0b7/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_fae6292c-2d42-445b-9dc6-0d3f1338f0b7/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae6292c-2d42-445b-9dc6-0d3f1338f0b7/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae6292c-2d42-445b-9dc6-0d3f1338f0b7/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_fae6292c-2d42-445b-9dc6-0d3f1338f0b7/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 d629f4eefc4b49512b7b1b628f28a13dcdca90b36cb521919e0cc9ad875c2764 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:59:11,709 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:59:11,825 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae6292c-2d42-445b-9dc6-0d3f1338f0b7/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:59:11,836 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:59:11,837 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:59:11,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:59:11,882 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:59:11,882 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:59:11,883 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:59:11,890 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:59:11,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:59:11,892 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:59:11,893 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:59:11,895 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:59:11,895 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:59:11,896 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:59:11,896 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:59:11,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:59:11,897 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:59:11,898 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:59:11,898 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:59:11,899 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:59:11,899 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:59:11,900 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:59:11,900 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:59:11,901 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:59:11,901 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:11,902 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:59:11,902 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:59:11,903 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:59:11,904 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:59:11,904 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:59:11,905 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:59:11,905 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_fae6292c-2d42-445b-9dc6-0d3f1338f0b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae6292c-2d42-445b-9dc6-0d3f1338f0b7/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d629f4eefc4b49512b7b1b628f28a13dcdca90b36cb521919e0cc9ad875c2764 [2023-11-19 03:59:12,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:59:12,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:59:12,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:59:12,191 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:59:12,191 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:59:12,192 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae6292c-2d42-445b-9dc6-0d3f1338f0b7/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c [2023-11-19 03:59:15,323 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:59:15,612 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:59:15,613 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae6292c-2d42-445b-9dc6-0d3f1338f0b7/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c [2023-11-19 03:59:15,621 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae6292c-2d42-445b-9dc6-0d3f1338f0b7/bin/ukojak-verify-G8NBE6pJGL/data/965435ec8/36721f9956c640bbb066290181f90ff8/FLAGdac707e2d [2023-11-19 03:59:15,635 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae6292c-2d42-445b-9dc6-0d3f1338f0b7/bin/ukojak-verify-G8NBE6pJGL/data/965435ec8/36721f9956c640bbb066290181f90ff8 [2023-11-19 03:59:15,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:59:15,640 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:59:15,641 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:15,641 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:59:15,646 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:59:15,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:15" (1/1) ... [2023-11-19 03:59:15,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b57e7b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:15, skipping insertion in model container [2023-11-19 03:59:15,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:59:15" (1/1) ... [2023-11-19 03:59:15,670 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:59:15,822 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_fae6292c-2d42-445b-9dc6-0d3f1338f0b7/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c[458,471] [2023-11-19 03:59:15,838 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:15,847 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:59:15,856 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_fae6292c-2d42-445b-9dc6-0d3f1338f0b7/sv-benchmarks/c/nla-digbench-scaling/ps4-ll_unwindbound5.c[458,471] [2023-11-19 03:59:15,863 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:59:15,876 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:59:15,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:15 WrapperNode [2023-11-19 03:59:15,876 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:59:15,877 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:15,878 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:59:15,878 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:59:15,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:15" (1/1) ... [2023-11-19 03:59:15,892 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:15" (1/1) ... [2023-11-19 03:59:15,912 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 39 [2023-11-19 03:59:15,913 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:59:15,914 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:59:15,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:59:15,915 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:59:15,923 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:15" (1/1) ... [2023-11-19 03:59:15,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:15" (1/1) ... [2023-11-19 03:59:15,938 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:15" (1/1) ... [2023-11-19 03:59:15,938 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:15" (1/1) ... [2023-11-19 03:59:15,941 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:15" (1/1) ... [2023-11-19 03:59:15,944 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:15" (1/1) ... [2023-11-19 03:59:15,951 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:15" (1/1) ... [2023-11-19 03:59:15,952 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:15" (1/1) ... [2023-11-19 03:59:15,954 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:59:15,955 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:59:15,955 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:59:15,955 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:59:15,956 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:59:15" (1/1) ... [2023-11-19 03:59:15,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:59:15,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae6292c-2d42-445b-9dc6-0d3f1338f0b7/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:59:15,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae6292c-2d42-445b-9dc6-0d3f1338f0b7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:59:15,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fae6292c-2d42-445b-9dc6-0d3f1338f0b7/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:59:16,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:59:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:59:16,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:59:16,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:59:16,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:59:16,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:59:16,103 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:59:16,106 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:59:16,303 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:59:16,329 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:59:16,329 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:59:16,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:16 BoogieIcfgContainer [2023-11-19 03:59:16,333 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:59:16,334 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:59:16,334 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:59:16,342 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:59:16,342 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:59:16" (1/1) ... [2023-11-19 03:59:16,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:59:16,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:16,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2023-11-19 03:59:16,401 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2023-11-19 03:59:16,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:59:16,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:16,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:16,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:59:16,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:16,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:16,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:16,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-11-19 03:59:16,564 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-19 03:59:16,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:59:16,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:16,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:16,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:59:16,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:16,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:16,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:16,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-19 03:59:16,717 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-19 03:59:16,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:59:16,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:16,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:16,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:59:16,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:16,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:17,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:17,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2023-11-19 03:59:17,170 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2023-11-19 03:59:17,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:59:17,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:17,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:17,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:59:17,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:17,327 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:17,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:17,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2023-11-19 03:59:17,441 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2023-11-19 03:59:17,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:59:17,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:17,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:17,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:59:17,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:17,579 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:18,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:18,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 32 states and 62 transitions. [2023-11-19 03:59:18,486 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 62 transitions. [2023-11-19 03:59:18,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:59:18,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:18,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:18,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:59:18,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:18,654 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:19,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:19,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 36 states and 73 transitions. [2023-11-19 03:59:19,343 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 73 transitions. [2023-11-19 03:59:19,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:59:19,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:19,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:19,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:59:19,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:19,578 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:20,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:20,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 40 states and 79 transitions. [2023-11-19 03:59:20,363 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 79 transitions. [2023-11-19 03:59:20,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:59:20,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:20,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:20,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:59:20,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:20,480 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:59:20,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:20,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 42 states and 89 transitions. [2023-11-19 03:59:20,636 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 89 transitions. [2023-11-19 03:59:20,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:59:20,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:20,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:20,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:20,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 03:59:20,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:20,980 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:59:22,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:22,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 51 states and 120 transitions. [2023-11-19 03:59:22,647 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 120 transitions. [2023-11-19 03:59:22,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:59:22,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:22,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:22,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 03:59:22,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:22,754 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:59:23,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:23,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 53 states and 122 transitions. [2023-11-19 03:59:23,222 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 122 transitions. [2023-11-19 03:59:23,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:59:23,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:23,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:23,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:59:23,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:23,413 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:59:24,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:24,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 57 states and 135 transitions. [2023-11-19 03:59:24,256 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 135 transitions. [2023-11-19 03:59:24,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:59:24,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:24,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:24,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:59:24,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:24,437 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:25,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:25,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 61 states and 153 transitions. [2023-11-19 03:59:25,312 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 153 transitions. [2023-11-19 03:59:25,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:59:25,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:25,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:25,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:59:25,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:25,402 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:59:25,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:25,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 63 states and 155 transitions. [2023-11-19 03:59:25,883 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 155 transitions. [2023-11-19 03:59:25,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:59:25,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:25,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:25,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:59:25,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:25,969 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:59:26,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:26,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 65 states and 157 transitions. [2023-11-19 03:59:26,507 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 157 transitions. [2023-11-19 03:59:26,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:59:26,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:26,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:26,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:59:26,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:26,590 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:27,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:27,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 69 states and 182 transitions. [2023-11-19 03:59:27,353 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 182 transitions. [2023-11-19 03:59:27,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:59:27,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:27,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:27,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:59:27,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:27,587 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:59:28,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:28,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 73 states and 201 transitions. [2023-11-19 03:59:28,870 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 201 transitions. [2023-11-19 03:59:28,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:59:28,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:28,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:28,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 03:59:28,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:29,450 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:59:33,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:33,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 84 states and 249 transitions. [2023-11-19 03:59:33,339 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 249 transitions. [2023-11-19 03:59:33,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:59:33,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:33,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:33,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:33,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:59:33,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:33,438 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:59:34,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:34,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 88 states and 252 transitions. [2023-11-19 03:59:34,743 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 252 transitions. [2023-11-19 03:59:34,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:59:34,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:34,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:34,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:59:34,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:34,829 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:59:35,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:35,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 90 states and 254 transitions. [2023-11-19 03:59:35,518 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 254 transitions. [2023-11-19 03:59:35,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:59:35,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:35,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:35,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:59:35,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:35,725 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:59:37,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:37,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 94 states and 271 transitions. [2023-11-19 03:59:37,043 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 271 transitions. [2023-11-19 03:59:37,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:59:37,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:37,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:37,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:59:37,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:37,348 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:38,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:38,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 98 states and 296 transitions. [2023-11-19 03:59:38,695 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 296 transitions. [2023-11-19 03:59:38,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:59:38,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:38,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:38,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:59:38,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:38,826 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:59:39,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:39,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 100 states and 298 transitions. [2023-11-19 03:59:39,722 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 298 transitions. [2023-11-19 03:59:39,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:59:39,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:39,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:39,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:39,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 03:59:39,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:39,846 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:59:40,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:40,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 102 states and 300 transitions. [2023-11-19 03:59:40,616 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 300 transitions. [2023-11-19 03:59:40,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:59:40,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:40,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:40,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:59:40,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:40,734 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:59:41,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:41,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 104 states and 302 transitions. [2023-11-19 03:59:41,522 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 302 transitions. [2023-11-19 03:59:41,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:59:41,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:41,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:41,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:59:41,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:41,600 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:43,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:43,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 108 states and 335 transitions. [2023-11-19 03:59:43,177 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 335 transitions. [2023-11-19 03:59:43,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:59:43,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:43,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:43,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:59:43,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:43,260 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:59:43,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:43,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 108 states and 334 transitions. [2023-11-19 03:59:43,668 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 334 transitions. [2023-11-19 03:59:43,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:59:43,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:43,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:43,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:43,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:59:43,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:43,742 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 03:59:44,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:44,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 109 states and 340 transitions. [2023-11-19 03:59:44,326 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 340 transitions. [2023-11-19 03:59:44,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:59:44,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:44,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:44,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:59:44,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:44,894 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:59:49,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:49,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 118 states and 394 transitions. [2023-11-19 03:59:49,384 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 394 transitions. [2023-11-19 03:59:49,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:59:49,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:49,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:49,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 03:59:49,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:49,517 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 7 proven. 34 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:59:51,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:51,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 122 states and 397 transitions. [2023-11-19 03:59:51,637 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 397 transitions. [2023-11-19 03:59:51,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:59:51,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:51,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:51,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:51,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:59:51,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:51,775 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:59:52,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:52,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 124 states and 399 transitions. [2023-11-19 03:59:52,900 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 399 transitions. [2023-11-19 03:59:52,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:59:52,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:52,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:52,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:59:52,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:53,011 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:59:53,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:53,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 126 states and 401 transitions. [2023-11-19 03:59:53,994 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 401 transitions. [2023-11-19 03:59:53,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 03:59:53,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:53,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:54,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:59:54,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:54,105 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:59:55,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:55,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 128 states and 402 transitions. [2023-11-19 03:59:55,100 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 402 transitions. [2023-11-19 03:59:55,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:59:55,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:55,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:55,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:59:55,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:55,390 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:59:57,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:57,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 132 states and 423 transitions. [2023-11-19 03:59:57,231 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 423 transitions. [2023-11-19 03:59:57,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:59:57,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:57,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:57,282 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 03:59:57,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:57,374 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 7 proven. 46 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 03:59:58,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:58,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 134 states and 425 transitions. [2023-11-19 03:59:58,466 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 425 transitions. [2023-11-19 03:59:58,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:59:58,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:58,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:58,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:59:58,518 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:59:58,589 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:59:59,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:59:59,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 136 states and 427 transitions. [2023-11-19 03:59:59,742 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 427 transitions. [2023-11-19 03:59:59,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:59:59,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:59:59,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:59:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:59:59,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:59:59,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:00,243 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 04:00:01,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:01,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 138 states and 429 transitions. [2023-11-19 04:00:01,816 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 429 transitions. [2023-11-19 04:00:01,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:00:01,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:01,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:01,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:01,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:00:01,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:02,232 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:05,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:05,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 146 states and 487 transitions. [2023-11-19 04:00:05,829 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 487 transitions. [2023-11-19 04:00:05,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:00:05,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:05,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:05,886 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:00:05,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:05,963 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 04:00:07,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:07,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 148 states and 489 transitions. [2023-11-19 04:00:07,148 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 489 transitions. [2023-11-19 04:00:07,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:00:07,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:07,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:07,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:00:07,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:07,235 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:00:07,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:07,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 148 states and 488 transitions. [2023-11-19 04:00:07,805 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 488 transitions. [2023-11-19 04:00:07,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 04:00:07,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:07,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:00:07,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 04:00:07,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:00:07,885 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.