./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_44a2a470-4400-40d6-bed9-8c03574cf304/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a2a470-4400-40d6-bed9-8c03574cf304/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_44a2a470-4400-40d6-bed9-8c03574cf304/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a2a470-4400-40d6-bed9-8c03574cf304/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a2a470-4400-40d6-bed9-8c03574cf304/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a2a470-4400-40d6-bed9-8c03574cf304/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7e073a4c36b82f2b6062e496bb836cd3d16667ec7228f4ab2b6689e74fa81265 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:19:12,885 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:19:13,004 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a2a470-4400-40d6-bed9-8c03574cf304/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:19:13,009 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:19:13,010 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:19:13,042 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:19:13,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:19:13,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:19:13,045 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:19:13,046 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:19:13,047 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:19:13,048 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:19:13,048 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:19:13,049 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:19:13,050 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:19:13,051 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:19:13,051 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:19:13,052 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:19:13,053 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:19:13,053 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:19:13,054 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:19:13,060 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:19:13,061 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:19:13,061 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:19:13,062 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:19:13,063 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:19:13,065 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:19:13,066 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:19:13,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:19:13,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:19:13,068 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:19:13,069 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:19:13,070 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:19:13,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:19:13,071 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:19:13,071 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_44a2a470-4400-40d6-bed9-8c03574cf304/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a2a470-4400-40d6-bed9-8c03574cf304/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e073a4c36b82f2b6062e496bb836cd3d16667ec7228f4ab2b6689e74fa81265 [2023-11-19 03:19:13,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:19:13,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:19:13,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:19:13,480 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:19:13,480 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:19:13,482 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a2a470-4400-40d6-bed9-8c03574cf304/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound20.i [2023-11-19 03:19:17,053 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:19:17,359 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:19:17,360 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a2a470-4400-40d6-bed9-8c03574cf304/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound20.i [2023-11-19 03:19:17,370 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a2a470-4400-40d6-bed9-8c03574cf304/bin/ukojak-verify-G8NBE6pJGL/data/7df34bc80/e1184dd6ef2e464ea0a2c9344039eb7a/FLAG9a0c0ed37 [2023-11-19 03:19:17,391 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a2a470-4400-40d6-bed9-8c03574cf304/bin/ukojak-verify-G8NBE6pJGL/data/7df34bc80/e1184dd6ef2e464ea0a2c9344039eb7a [2023-11-19 03:19:17,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:19:17,401 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:19:17,405 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:19:17,405 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:19:17,412 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:19:17,413 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:17" (1/1) ... [2023-11-19 03:19:17,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@151635e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:17, skipping insertion in model container [2023-11-19 03:19:17,415 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:17" (1/1) ... [2023-11-19 03:19:17,445 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:19:17,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:19:17,667 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:19:17,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:19:17,710 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:19:17,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:17 WrapperNode [2023-11-19 03:19:17,711 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:19:17,713 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:19:17,713 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:19:17,713 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:19:17,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:17" (1/1) ... [2023-11-19 03:19:17,731 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:17" (1/1) ... [2023-11-19 03:19:17,754 INFO L138 Inliner]: procedures = 16, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2023-11-19 03:19:17,754 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:19:17,755 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:19:17,755 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:19:17,756 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:19:17,767 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:17" (1/1) ... [2023-11-19 03:19:17,767 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:17" (1/1) ... [2023-11-19 03:19:17,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:17" (1/1) ... [2023-11-19 03:19:17,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:17" (1/1) ... [2023-11-19 03:19:17,774 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:17" (1/1) ... [2023-11-19 03:19:17,779 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:17" (1/1) ... [2023-11-19 03:19:17,781 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:17" (1/1) ... [2023-11-19 03:19:17,782 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:17" (1/1) ... [2023-11-19 03:19:17,785 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:19:17,786 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:19:17,786 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:19:17,786 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:19:17,787 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:17" (1/1) ... [2023-11-19 03:19:17,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:19:17,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a2a470-4400-40d6-bed9-8c03574cf304/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:19:17,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a2a470-4400-40d6-bed9-8c03574cf304/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:19:17,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44a2a470-4400-40d6-bed9-8c03574cf304/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:19:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:19:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:19:17,881 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:19:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:19:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:19:17,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:19:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:19:17,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:19:17,978 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:19:17,981 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:19:18,236 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:19:18,338 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:19:18,338 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:19:18,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:19:18 BoogieIcfgContainer [2023-11-19 03:19:18,344 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:19:18,345 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:19:18,346 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:19:18,358 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:19:18,359 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:19:18" (1/1) ... [2023-11-19 03:19:18,368 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:19:18,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:18,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2023-11-19 03:19:18,427 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2023-11-19 03:19:18,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:19:18,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:18,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:18,831 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 03:19:18,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:18,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 35 transitions. [2023-11-19 03:19:18,901 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2023-11-19 03:19:18,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:19:18,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:18,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:18,981 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 03:19:19,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:19,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 36 transitions. [2023-11-19 03:19:19,004 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2023-11-19 03:19:19,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:19:19,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:19,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:19,082 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 03:19:19,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:19,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 36 transitions. [2023-11-19 03:19:19,106 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2023-11-19 03:19:19,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:19:19,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:19,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:19,255 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 03:19:19,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:19,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 33 states and 43 transitions. [2023-11-19 03:19:19,365 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2023-11-19 03:19:19,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:19:19,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:19,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:19,537 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:19,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:19,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 45 transitions. [2023-11-19 03:19:19,670 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2023-11-19 03:19:19,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:19:19,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:19,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:19,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:19,827 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 03:19:20,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:20,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 53 transitions. [2023-11-19 03:19:20,150 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2023-11-19 03:19:20,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:19:20,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:20,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:20,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:20,248 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:20,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:20,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 42 states and 56 transitions. [2023-11-19 03:19:20,428 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2023-11-19 03:19:20,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:19:20,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:20,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:20,573 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:20,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:20,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 59 transitions. [2023-11-19 03:19:20,617 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2023-11-19 03:19:20,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:19:20,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:20,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:20,805 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:20,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:20,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 45 states and 60 transitions. [2023-11-19 03:19:20,971 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2023-11-19 03:19:20,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:19:20,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:20,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:20,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:21,168 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:21,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:21,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 49 states and 68 transitions. [2023-11-19 03:19:21,492 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2023-11-19 03:19:21,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:19:21,493 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:21,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:21,592 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:21,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:21,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 52 states and 71 transitions. [2023-11-19 03:19:21,729 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2023-11-19 03:19:21,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:19:21,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:21,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:21,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:19:21,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:22,086 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 03:19:22,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:22,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 58 states and 80 transitions. [2023-11-19 03:19:22,170 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 80 transitions. [2023-11-19 03:19:22,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:19:22,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:22,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:22,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:19:22,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:22,280 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:22,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:22,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 63 states and 88 transitions. [2023-11-19 03:19:22,376 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 88 transitions. [2023-11-19 03:19:22,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:19:22,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:22,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:22,442 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:22,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:22,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2023-11-19 03:19:22,477 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2023-11-19 03:19:22,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:19:22,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:22,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:22,647 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:22,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:22,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 64 states and 89 transitions. [2023-11-19 03:19:22,838 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 89 transitions. [2023-11-19 03:19:22,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:19:22,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:22,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:23,038 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:23,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:23,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 68 states and 97 transitions. [2023-11-19 03:19:23,495 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 97 transitions. [2023-11-19 03:19:23,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:19:23,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:23,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:23,599 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:23,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:23,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 71 states and 100 transitions. [2023-11-19 03:19:23,746 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2023-11-19 03:19:23,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:19:23,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:23,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:23,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:23,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:19:23,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:23,863 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:23,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:23,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 76 states and 108 transitions. [2023-11-19 03:19:23,930 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2023-11-19 03:19:23,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:19:23,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:23,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:24,010 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:24,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:24,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 77 states and 113 transitions. [2023-11-19 03:19:24,082 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2023-11-19 03:19:24,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:19:24,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:24,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:24,380 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:24,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:24,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 77 states and 109 transitions. [2023-11-19 03:19:24,563 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2023-11-19 03:19:24,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:19:24,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:24,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:24,801 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:25,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:25,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 81 states and 117 transitions. [2023-11-19 03:19:25,321 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 117 transitions. [2023-11-19 03:19:25,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:19:25,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:25,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:25,491 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:25,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:25,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 84 states and 120 transitions. [2023-11-19 03:19:25,661 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions. [2023-11-19 03:19:25,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:19:25,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:25,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:25,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:19:25,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:26,280 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:27,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:27,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 92 states and 135 transitions. [2023-11-19 03:19:27,251 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 135 transitions. [2023-11-19 03:19:27,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:19:27,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:27,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:27,375 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:27,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:27,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 93 states and 141 transitions. [2023-11-19 03:19:27,439 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 141 transitions. [2023-11-19 03:19:27,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:19:27,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:27,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:27,839 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:28,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:28,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 93 states and 136 transitions. [2023-11-19 03:19:28,062 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 136 transitions. [2023-11-19 03:19:28,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:19:28,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:28,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:28,310 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:28,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:28,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 94 states and 139 transitions. [2023-11-19 03:19:28,853 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 139 transitions. [2023-11-19 03:19:28,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:19:28,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:28,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:29,025 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:29,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:29,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 97 states and 142 transitions. [2023-11-19 03:19:29,223 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 142 transitions. [2023-11-19 03:19:29,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:19:29,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:29,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:29,334 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:29,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:29,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 98 states and 149 transitions. [2023-11-19 03:19:29,390 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 149 transitions. [2023-11-19 03:19:29,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:19:29,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:29,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:29,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 03:19:29,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:29,639 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:30,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:30,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 106 states and 163 transitions. [2023-11-19 03:19:30,122 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 163 transitions. [2023-11-19 03:19:30,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-19 03:19:30,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:30,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:30,691 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 55 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:30,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:30,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 106 states and 157 transitions. [2023-11-19 03:19:30,984 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 157 transitions. [2023-11-19 03:19:30,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:19:30,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:30,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:31,346 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:31,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:31,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 107 states and 160 transitions. [2023-11-19 03:19:31,986 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 160 transitions. [2023-11-19 03:19:31,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 03:19:31,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:31,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:32,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:32,231 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:32,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:32,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 110 states and 163 transitions. [2023-11-19 03:19:32,480 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 163 transitions. [2023-11-19 03:19:32,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:19:32,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:32,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:32,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:32,626 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:32,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:32,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 111 states and 171 transitions. [2023-11-19 03:19:32,701 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 171 transitions. [2023-11-19 03:19:32,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-19 03:19:32,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:32,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:33,502 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 81 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:33,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:33,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 111 states and 164 transitions. [2023-11-19 03:19:33,827 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 164 transitions. [2023-11-19 03:19:33,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:19:33,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:33,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:33,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:34,178 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:34,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:34,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 112 states and 167 transitions. [2023-11-19 03:19:34,839 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 167 transitions. [2023-11-19 03:19:34,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 03:19:34,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:34,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:35,171 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:35,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:35,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 115 states and 170 transitions. [2023-11-19 03:19:35,465 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 170 transitions. [2023-11-19 03:19:35,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:19:35,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:35,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:35,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 03:19:35,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:35,657 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:36,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:36,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 120 states and 178 transitions. [2023-11-19 03:19:36,049 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 178 transitions. [2023-11-19 03:19:36,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:19:36,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:36,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:36,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:36,231 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:36,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:36,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 121 states and 187 transitions. [2023-11-19 03:19:36,313 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 187 transitions. [2023-11-19 03:19:36,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 03:19:36,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:36,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:36,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:19:36,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:37,063 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 12 proven. 52 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:38,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:38,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 129 states and 202 transitions. [2023-11-19 03:19:38,012 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 202 transitions. [2023-11-19 03:19:38,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 03:19:38,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:38,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:38,952 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 112 proven. 28 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:39,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:39,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 129 states and 194 transitions. [2023-11-19 03:19:39,336 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 194 transitions. [2023-11-19 03:19:39,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:19:39,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:39,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:39,803 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:40,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:40,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 130 states and 197 transitions. [2023-11-19 03:19:40,552 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 197 transitions. [2023-11-19 03:19:40,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 03:19:40,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:40,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:40,822 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:41,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:41,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 133 states and 200 transitions. [2023-11-19 03:19:41,174 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 200 transitions. [2023-11-19 03:19:41,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:19:41,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:41,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:41,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:41,361 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:41,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:41,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 134 states and 210 transitions. [2023-11-19 03:19:41,453 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 210 transitions. [2023-11-19 03:19:41,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:19:41,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:41,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:42,607 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 148 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:43,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:43,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 134 states and 201 transitions. [2023-11-19 03:19:43,007 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 201 transitions. [2023-11-19 03:19:43,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:19:43,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:43,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:43,449 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:44,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:44,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 135 states and 204 transitions. [2023-11-19 03:19:44,213 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 204 transitions. [2023-11-19 03:19:44,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 03:19:44,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:44,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:44,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:44,503 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:44,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:44,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 138 states and 207 transitions. [2023-11-19 03:19:44,851 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 207 transitions. [2023-11-19 03:19:44,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:19:44,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:44,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:44,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 03:19:44,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:45,248 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 12 proven. 71 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:45,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:45,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2023-11-19 03:19:45,867 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2023-11-19 03:19:45,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 03:19:45,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:45,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:46,072 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:46,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:46,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 147 states and 232 transitions. [2023-11-19 03:19:46,169 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 232 transitions. [2023-11-19 03:19:46,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:19:46,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:46,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:46,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:47,458 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 189 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:47,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:47,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 147 states and 222 transitions. [2023-11-19 03:19:47,840 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 222 transitions. [2023-11-19 03:19:47,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:19:47,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:47,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:47,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:48,320 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:49,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:49,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 148 states and 225 transitions. [2023-11-19 03:19:49,146 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 225 transitions. [2023-11-19 03:19:49,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-19 03:19:49,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:49,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:49,503 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:49,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:49,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 151 states and 228 transitions. [2023-11-19 03:19:49,842 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 228 transitions. [2023-11-19 03:19:49,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-19 03:19:49,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:49,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:49,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:19:49,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:50,088 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:50,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:50,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 154 states and 233 transitions. [2023-11-19 03:19:50,779 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 233 transitions. [2023-11-19 03:19:50,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 03:19:50,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:50,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:51,156 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:51,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:51,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 155 states and 245 transitions. [2023-11-19 03:19:51,278 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 245 transitions. [2023-11-19 03:19:51,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-19 03:19:51,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:51,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:52,962 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 235 proven. 40 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:53,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:53,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 155 states and 234 transitions. [2023-11-19 03:19:53,393 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 234 transitions. [2023-11-19 03:19:53,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-19 03:19:53,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:53,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:53,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 03:19:53,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:53,675 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 125 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:53,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:53,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 160 states and 242 transitions. [2023-11-19 03:19:53,970 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 242 transitions. [2023-11-19 03:19:53,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:19:53,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:53,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:53,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:54,502 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:55,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:55,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 161 states and 245 transitions. [2023-11-19 03:19:55,485 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 245 transitions. [2023-11-19 03:19:55,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 03:19:55,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:55,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:55,941 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:56,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:56,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 164 states and 248 transitions. [2023-11-19 03:19:56,311 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 248 transitions. [2023-11-19 03:19:56,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-19 03:19:56,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:56,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:56,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 03:19:56,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:19:56,587 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:57,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:57,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 167 states and 253 transitions. [2023-11-19 03:19:57,350 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 253 transitions. [2023-11-19 03:19:57,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 03:19:57,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:57,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:19:57,613 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:19:57,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:57,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 168 states and 266 transitions. [2023-11-19 03:19:57,740 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 266 transitions. [2023-11-19 03:19:57,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-19 03:19:57,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:57,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat