./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220cb782-381f-40fd-bcd0-d8fbd4fc74f1/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220cb782-381f-40fd-bcd0-d8fbd4fc74f1/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220cb782-381f-40fd-bcd0-d8fbd4fc74f1/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220cb782-381f-40fd-bcd0-d8fbd4fc74f1/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220cb782-381f-40fd-bcd0-d8fbd4fc74f1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220cb782-381f-40fd-bcd0-d8fbd4fc74f1/bin/ukojak-verify-EEHR8qb7sm --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 efc4103a673d30f5c3fd98741c7d56d84f1ec5a0e9e3b77a4d9f9d9493ec5192 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:19:03,418 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:19:03,526 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220cb782-381f-40fd-bcd0-d8fbd4fc74f1/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 20:19:03,530 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:19:03,533 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:19:03,554 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:19:03,555 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:19:03,555 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:19:03,556 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:19:03,556 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:19:03,556 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:19:03,556 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:19:03,556 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:19:03,557 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:19:03,557 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:19:03,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:19:03,557 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:19:03,557 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:19:03,557 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:19:03,558 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:19:03,558 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:19:03,558 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:19:03,558 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:19:03,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:19:03,558 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:19:03,559 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:19:03,559 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:19:03,559 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:19:03,559 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:19:03,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:19:03,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:19:03,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:19:03,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:19:03,560 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:19:03,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:19:03,560 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_220cb782-381f-40fd-bcd0-d8fbd4fc74f1/bin/ukojak-verify-EEHR8qb7sm 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 -> efc4103a673d30f5c3fd98741c7d56d84f1ec5a0e9e3b77a4d9f9d9493ec5192 [2024-11-13 20:19:03,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:19:03,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:19:03,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:19:03,898 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:19:03,898 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:19:03,899 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220cb782-381f-40fd-bcd0-d8fbd4fc74f1/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound100.c Unable to find full path for "g++" [2024-11-13 20:19:05,961 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:19:06,271 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:19:06,272 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220cb782-381f-40fd-bcd0-d8fbd4fc74f1/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound100.c [2024-11-13 20:19:06,283 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220cb782-381f-40fd-bcd0-d8fbd4fc74f1/bin/ukojak-verify-EEHR8qb7sm/data/696eb3261/eacd4815a3f34e9b810df03745e66644/FLAGe565bab08 [2024-11-13 20:19:06,553 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220cb782-381f-40fd-bcd0-d8fbd4fc74f1/bin/ukojak-verify-EEHR8qb7sm/data/696eb3261/eacd4815a3f34e9b810df03745e66644 [2024-11-13 20:19:06,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:19:06,557 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:19:06,558 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:19:06,559 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:19:06,564 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:19:06,565 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:19:06" (1/1) ... [2024-11-13 20:19:06,566 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b2522fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:06, skipping insertion in model container [2024-11-13 20:19:06,567 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:19:06" (1/1) ... [2024-11-13 20:19:06,583 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:19:06,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:19:06,769 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:19:06,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:19:06,808 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:19:06,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:06 WrapperNode [2024-11-13 20:19:06,809 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:19:06,810 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:19:06,811 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:19:06,811 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:19:06,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:06" (1/1) ... [2024-11-13 20:19:06,827 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:06" (1/1) ... [2024-11-13 20:19:06,853 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 98 [2024-11-13 20:19:06,854 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:19:06,855 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:19:06,855 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:19:06,855 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:19:06,864 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:06" (1/1) ... [2024-11-13 20:19:06,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:06" (1/1) ... [2024-11-13 20:19:06,867 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:06" (1/1) ... [2024-11-13 20:19:06,867 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:06" (1/1) ... [2024-11-13 20:19:06,872 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:06" (1/1) ... [2024-11-13 20:19:06,876 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:06" (1/1) ... [2024-11-13 20:19:06,877 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:06" (1/1) ... [2024-11-13 20:19:06,878 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:06" (1/1) ... [2024-11-13 20:19:06,881 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:19:06,882 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:19:06,882 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:19:06,882 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:19:06,883 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:19:06" (1/1) ... [2024-11-13 20:19:06,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:19:06,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220cb782-381f-40fd-bcd0-d8fbd4fc74f1/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:19:06,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220cb782-381f-40fd-bcd0-d8fbd4fc74f1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:19:06,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_220cb782-381f-40fd-bcd0-d8fbd4fc74f1/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:19:06,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:19:06,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:19:06,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:19:06,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:19:06,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:19:06,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:19:07,079 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:19:07,083 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:19:07,560 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-13 20:19:07,561 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:19:07,622 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:19:07,622 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 20:19:07,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:19:07 BoogieIcfgContainer [2024-11-13 20:19:07,623 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:19:07,624 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:19:07,624 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:19:07,637 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:19:07,638 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:19:07" (1/1) ... [2024-11-13 20:19:07,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:19:07,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:07,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2024-11-13 20:19:07,727 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2024-11-13 20:19:07,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 20:19:07,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:07,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:08,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:19:08,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:08,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2024-11-13 20:19:08,089 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2024-11-13 20:19:08,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:19:08,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:08,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:08,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:19:08,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:08,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2024-11-13 20:19:08,241 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2024-11-13 20:19:08,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:19:08,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:08,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:08,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:19:08,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:08,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2024-11-13 20:19:08,375 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2024-11-13 20:19:08,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 20:19:08,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:08,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:19:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:08,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 20:19:08,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:08,607 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:19:08,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:08,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2024-11-13 20:19:08,964 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2024-11-13 20:19:08,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:19:08,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:08,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:19:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:09,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 20:19:09,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:09,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 20:19:09,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:09,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 87 states and 102 transitions. [2024-11-13 20:19:09,112 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 102 transitions. [2024-11-13 20:19:09,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 20:19:09,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:09,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:09,245 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:19:09,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:09,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 94 states and 116 transitions. [2024-11-13 20:19:10,000 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2024-11-13 20:19:10,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 20:19:10,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:10,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:10,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:10,299 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:19:11,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:11,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 102 states and 135 transitions. [2024-11-13 20:19:11,231 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 135 transitions. [2024-11-13 20:19:11,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 20:19:11,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:11,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:11,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:11,402 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:19:12,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:12,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 110 states and 151 transitions. [2024-11-13 20:19:12,934 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 151 transitions. [2024-11-13 20:19:12,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 20:19:12,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:12,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:12,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:13,207 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:19:14,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:14,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 119 states and 172 transitions. [2024-11-13 20:19:14,458 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 172 transitions. [2024-11-13 20:19:14,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 20:19:14,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:14,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:14,503 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:19:15,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:15,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 124 states and 183 transitions. [2024-11-13 20:19:15,053 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 183 transitions. [2024-11-13 20:19:15,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 20:19:15,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:15,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:15,106 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:19:15,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:15,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 125 states and 185 transitions. [2024-11-13 20:19:15,145 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 185 transitions. [2024-11-13 20:19:15,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 20:19:15,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:15,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:15,281 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:19:15,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:15,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 126 states and 186 transitions. [2024-11-13 20:19:15,320 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 186 transitions. [2024-11-13 20:19:15,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 20:19:15,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:15,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:15,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:19:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:15,360 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 20:19:15,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:15,479 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:19:17,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:17,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 137 states and 211 transitions. [2024-11-13 20:19:17,575 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 211 transitions. [2024-11-13 20:19:17,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 20:19:17,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:17,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:19:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:17,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 20:19:17,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:17,653 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:19:17,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:17,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 138 states and 212 transitions. [2024-11-13 20:19:17,690 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 212 transitions. [2024-11-13 20:19:17,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 20:19:17,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:17,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:17,871 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:19:18,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:18,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 144 states and 221 transitions. [2024-11-13 20:19:18,832 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 221 transitions. [2024-11-13 20:19:18,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:19:18,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:18,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:19,668 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:19:23,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:23,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 157 states and 247 transitions. [2024-11-13 20:19:23,506 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 247 transitions. [2024-11-13 20:19:23,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:19:23,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:23,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:23,685 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:19:24,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:24,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 164 states and 257 transitions. [2024-11-13 20:19:24,766 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 257 transitions. [2024-11-13 20:19:24,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 20:19:24,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:24,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:19:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:24,808 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 20:19:24,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:19:25,089 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:19:28,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:28,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 178 states and 282 transitions. [2024-11-13 20:19:28,589 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 282 transitions. [2024-11-13 20:19:28,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 20:19:28,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:28,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:28,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:28,667 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 20:19:28,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:28,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 179 states and 291 transitions. [2024-11-13 20:19:28,733 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 291 transitions. [2024-11-13 20:19:28,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 20:19:28,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:28,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:29,561 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:19:46,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:19:46,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 189 states and 310 transitions. [2024-11-13 20:19:46,566 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 310 transitions. [2024-11-13 20:19:46,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 20:19:46,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:19:46,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:19:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:19:49,734 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:20:20,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:20,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 200 states and 330 transitions. [2024-11-13 20:20:20,240 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 330 transitions. [2024-11-13 20:20:20,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 20:20:20,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:20,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:20,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:20,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 20:20:20,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:20,862 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 20:20:25,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:25,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 214 states and 356 transitions. [2024-11-13 20:20:25,895 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 356 transitions. [2024-11-13 20:20:25,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 20:20:25,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:25,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:25,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:25,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 20:20:25,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:26,731 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 20:20:31,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:31,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 222 states and 374 transitions. [2024-11-13 20:20:31,102 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 374 transitions. [2024-11-13 20:20:31,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 20:20:31,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:31,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:20:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:31,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 20:20:31,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:20:31,198 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 20:20:41,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:20:41,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 228 states and 385 transitions. [2024-11-13 20:20:41,336 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 385 transitions. [2024-11-13 20:20:41,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 20:20:41,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:20:41,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:20:41,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:20:41,381 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 20:21:08,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:08,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 241 states and 407 transitions. [2024-11-13 20:21:08,728 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 407 transitions. [2024-11-13 20:21:08,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 20:21:08,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:08,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:21:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:21:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:08,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 20:21:08,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:08,826 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 20:21:08,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:08,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 242 states and 408 transitions. [2024-11-13 20:21:08,851 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 408 transitions. [2024-11-13 20:21:08,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 20:21:08,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:08,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:21:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:09,492 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 20:21:11,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:11,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 253 states and 423 transitions. [2024-11-13 20:21:11,383 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 423 transitions. [2024-11-13 20:21:11,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 20:21:11,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:11,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:21:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:11,923 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 20:21:17,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:17,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 264 states and 442 transitions. [2024-11-13 20:21:17,592 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 442 transitions. [2024-11-13 20:21:17,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 20:21:17,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:17,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:21:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:21:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:17,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 20:21:17,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:17,775 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 20:21:19,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:19,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 273 states and 454 transitions. [2024-11-13 20:21:19,099 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 454 transitions. [2024-11-13 20:21:19,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 20:21:19,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:19,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:21:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:19,762 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 20:21:26,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:26,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 287 states and 491 transitions. [2024-11-13 20:21:26,248 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 491 transitions. [2024-11-13 20:21:26,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 20:21:26,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:26,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:21:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:26,534 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 20:21:29,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:29,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 293 states and 502 transitions. [2024-11-13 20:21:29,094 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 502 transitions. [2024-11-13 20:21:29,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 20:21:29,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:29,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:21:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:30,030 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 20:21:36,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:36,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 302 states and 529 transitions. [2024-11-13 20:21:36,117 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 529 transitions. [2024-11-13 20:21:36,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 20:21:36,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:36,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:21:36,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:36,210 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 20:21:37,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:37,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 304 states and 534 transitions. [2024-11-13 20:21:37,418 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 534 transitions. [2024-11-13 20:21:37,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 20:21:37,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:37,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:21:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:38,070 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 20:21:42,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:42,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 310 states and 551 transitions. [2024-11-13 20:21:42,537 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 551 transitions. [2024-11-13 20:21:42,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-13 20:21:42,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:42,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:21:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:42,601 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 20:21:45,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:45,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 314 states and 564 transitions. [2024-11-13 20:21:45,590 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 564 transitions. [2024-11-13 20:21:45,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 20:21:45,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:45,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:21:45,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:45,962 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 20:21:51,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:51,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 320 states and 583 transitions. [2024-11-13 20:21:51,657 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 583 transitions. [2024-11-13 20:21:51,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 20:21:51,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:51,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:21:51,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:51,704 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 20:21:56,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:56,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 324 states and 595 transitions. [2024-11-13 20:21:56,068 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 595 transitions. [2024-11-13 20:21:56,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 20:21:56,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:56,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:21:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:56,196 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 20:21:56,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:21:56,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 325 states and 602 transitions. [2024-11-13 20:21:56,361 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 602 transitions. [2024-11-13 20:21:56,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 20:21:56,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:21:56,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:21:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:21:56,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:21:56,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 20:21:56,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:21:56,476 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 20:22:01,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:01,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 339 states and 625 transitions. [2024-11-13 20:22:01,807 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 625 transitions. [2024-11-13 20:22:01,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 20:22:01,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:01,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:22:01,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:22:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:01,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 20:22:01,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:01,927 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 20:22:05,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:05,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 345 states and 643 transitions. [2024-11-13 20:22:05,567 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 643 transitions. [2024-11-13 20:22:05,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:05,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:05,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:22:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:05,856 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 20:22:09,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:09,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 351 states and 654 transitions. [2024-11-13 20:22:09,722 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 654 transitions. [2024-11-13 20:22:09,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:22:09,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:09,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:22:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:09,919 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 20:22:12,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:12,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 353 states and 656 transitions. [2024-11-13 20:22:12,660 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 656 transitions. [2024-11-13 20:22:12,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 20:22:12,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:12,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:22:12,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:12,719 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 20:22:22,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:22,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 363 states and 681 transitions. [2024-11-13 20:22:22,300 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 681 transitions. [2024-11-13 20:22:22,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 20:22:22,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:22,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:22:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:22,365 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 20:22:23,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:23,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 365 states and 685 transitions. [2024-11-13 20:22:23,351 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 685 transitions. [2024-11-13 20:22:23,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 20:22:23,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:23,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:22:23,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:23,988 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 20:22:29,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:29,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 372 states and 697 transitions. [2024-11-13 20:22:29,224 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 697 transitions. [2024-11-13 20:22:29,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 20:22:29,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:29,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:22:29,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:29,304 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 20:22:30,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:30,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 374 states and 699 transitions. [2024-11-13 20:22:30,799 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 699 transitions. [2024-11-13 20:22:30,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 20:22:30,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:30,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:22:30,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:22:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:30,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 20:22:30,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:22:31,113 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 20:22:41,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:41,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 392 states and 729 transitions. [2024-11-13 20:22:41,109 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 729 transitions. [2024-11-13 20:22:41,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 20:22:41,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:41,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:22:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:41,180 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 20:22:41,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:41,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 393 states and 747 transitions. [2024-11-13 20:22:41,392 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 747 transitions. [2024-11-13 20:22:41,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 20:22:41,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:41,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:22:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:41,424 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-13 20:22:50,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:22:50,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 397 states and 756 transitions. [2024-11-13 20:22:50,687 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 756 transitions. [2024-11-13 20:22:50,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 20:22:50,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:22:50,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:22:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:22:50,730 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-13 20:23:01,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:01,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 401 states and 765 transitions. [2024-11-13 20:23:01,673 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 765 transitions. [2024-11-13 20:23:01,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 20:23:01,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:01,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:23:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:23:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:01,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 20:23:01,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:02,183 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-13 20:23:14,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:14,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 411 states and 782 transitions. [2024-11-13 20:23:14,289 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 782 transitions. [2024-11-13 20:23:14,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 20:23:14,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:14,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:23:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:23:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:14,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 20:23:14,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:23:15,100 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-13 20:23:19,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:19,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 419 states and 802 transitions. [2024-11-13 20:23:19,661 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 802 transitions. [2024-11-13 20:23:19,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 20:23:19,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:19,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:23:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:19,740 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-13 20:23:42,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:42,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 433 states and 831 transitions. [2024-11-13 20:23:42,637 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 831 transitions. [2024-11-13 20:23:42,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 20:23:42,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:42,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:23:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:42,696 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-13 20:23:44,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:23:44,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 435 states and 834 transitions. [2024-11-13 20:23:44,746 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 834 transitions. [2024-11-13 20:23:44,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-13 20:23:44,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:23:44,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:23:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:23:45,386 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-13 20:24:11,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:11,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 450 states and 861 transitions. [2024-11-13 20:24:11,907 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 861 transitions. [2024-11-13 20:24:11,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-13 20:24:11,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:11,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:24:11,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:11,961 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-13 20:24:29,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:29,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 466 states and 890 transitions. [2024-11-13 20:24:29,222 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 890 transitions. [2024-11-13 20:24:29,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-13 20:24:29,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:29,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:24:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:30,062 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 20:24:38,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:38,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 478 states and 912 transitions. [2024-11-13 20:24:38,981 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 912 transitions. [2024-11-13 20:24:38,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-13 20:24:38,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:38,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:24:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:39,449 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-13 20:24:51,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:51,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 495 states and 943 transitions. [2024-11-13 20:24:51,890 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 943 transitions. [2024-11-13 20:24:51,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-13 20:24:51,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:51,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:24:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:52,868 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 26 proven. 8 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 20:24:56,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:24:56,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 953 states to 499 states and 953 transitions. [2024-11-13 20:24:56,524 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 953 transitions. [2024-11-13 20:24:56,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-13 20:24:56,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:24:56,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:24:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:24:57,098 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 20:25:07,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:07,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 513 states and 1002 transitions. [2024-11-13 20:25:07,111 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 1002 transitions. [2024-11-13 20:25:07,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 20:25:07,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:07,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:08,261 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 20:25:14,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:14,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 522 states and 1036 transitions. [2024-11-13 20:25:14,916 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 1036 transitions. [2024-11-13 20:25:14,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 20:25:14,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:14,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:14,994 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 20:25:16,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:16,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 524 states and 1044 transitions. [2024-11-13 20:25:16,343 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 1044 transitions. [2024-11-13 20:25:16,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 20:25:16,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:16,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:16,456 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 20:25:17,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:17,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 526 states and 1050 transitions. [2024-11-13 20:25:17,957 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 1050 transitions. [2024-11-13 20:25:17,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 20:25:17,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:17,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:17,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:18,904 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 13 proven. 27 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 20:25:22,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:22,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1067 states to 532 states and 1067 transitions. [2024-11-13 20:25:22,113 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 1067 transitions. [2024-11-13 20:25:22,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 20:25:22,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:22,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:22,157 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 13 proven. 27 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 20:25:23,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:23,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 534 states and 1072 transitions. [2024-11-13 20:25:23,701 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 1072 transitions. [2024-11-13 20:25:23,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 20:25:23,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:23,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:23,752 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 13 proven. 27 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 20:25:27,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:27,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 538 states and 1090 transitions. [2024-11-13 20:25:27,456 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 1090 transitions. [2024-11-13 20:25:27,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 20:25:27,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:27,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:28,150 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-13 20:25:28,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:28,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 537 states and 1089 transitions. [2024-11-13 20:25:28,970 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 1089 transitions. [2024-11-13 20:25:28,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 20:25:28,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:28,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:29,531 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 20:25:35,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:35,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 543 states and 1112 transitions. [2024-11-13 20:25:35,525 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 1112 transitions. [2024-11-13 20:25:35,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 20:25:35,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:35,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:35,575 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 20:25:39,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:39,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 547 states and 1121 transitions. [2024-11-13 20:25:39,930 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 1121 transitions. [2024-11-13 20:25:39,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 20:25:39,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:39,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:39,971 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 20:25:42,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:42,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 551 states and 1137 transitions. [2024-11-13 20:25:42,949 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 1137 transitions. [2024-11-13 20:25:42,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 20:25:42,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:42,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:43,574 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-13 20:25:55,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:25:55,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 565 states and 1164 transitions. [2024-11-13 20:25:55,693 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 1164 transitions. [2024-11-13 20:25:55,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 20:25:55,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:25:55,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:25:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:25:59,328 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-13 20:26:23,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:23,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1202 states to 587 states and 1202 transitions. [2024-11-13 20:26:23,621 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 1202 transitions. [2024-11-13 20:26:23,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 20:26:23,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:23,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:26:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:23,699 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 20:26:23,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:23,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 588 states and 1215 transitions. [2024-11-13 20:26:23,914 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 1215 transitions. [2024-11-13 20:26:23,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 20:26:23,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:23,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:26:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:26:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:23,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 20:26:23,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:24,005 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-13 20:26:37,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:37,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 606 states and 1256 transitions. [2024-11-13 20:26:37,436 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 1256 transitions. [2024-11-13 20:26:37,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 20:26:37,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:37,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:26:37,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:26:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:37,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 20:26:37,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:37,543 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-13 20:26:39,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:39,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 608 states and 1261 transitions. [2024-11-13 20:26:39,387 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 1261 transitions. [2024-11-13 20:26:39,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 20:26:39,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:39,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:26:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:26:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:39,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 20:26:39,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:26:39,490 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-13 20:26:40,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:40,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 610 states and 1266 transitions. [2024-11-13 20:26:40,911 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 1266 transitions. [2024-11-13 20:26:40,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 20:26:40,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:40,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:26:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:26:40,997 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-13 20:26:57,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:26:57,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 624 states and 1294 transitions. [2024-11-13 20:26:57,393 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 1294 transitions. [2024-11-13 20:26:57,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 20:26:57,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:26:57,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:26:57,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:00,081 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-13 20:27:15,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:15,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 632 states and 1311 transitions. [2024-11-13 20:27:15,380 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 1311 transitions. [2024-11-13 20:27:15,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 20:27:15,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:15,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:27:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:16,357 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 38 proven. 10 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 20:27:19,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:19,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 636 states and 1318 transitions. [2024-11-13 20:27:19,888 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 1318 transitions. [2024-11-13 20:27:19,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 20:27:19,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:19,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:27:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:20,830 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 38 proven. 10 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 20:27:23,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:23,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1324 states to 640 states and 1324 transitions. [2024-11-13 20:27:23,698 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1324 transitions. [2024-11-13 20:27:23,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 20:27:23,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:23,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:27:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:25,051 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 38 proven. 10 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 20:27:28,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:28,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 642 states and 1326 transitions. [2024-11-13 20:27:28,338 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 1326 transitions. [2024-11-13 20:27:28,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 20:27:28,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:28,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:27:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:29,795 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-13 20:27:37,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:37,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 647 states and 1349 transitions. [2024-11-13 20:27:37,693 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 1349 transitions. [2024-11-13 20:27:37,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-13 20:27:37,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:37,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:27:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:37,731 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-13 20:27:52,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:52,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 663 states and 1389 transitions. [2024-11-13 20:27:52,904 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 1389 transitions. [2024-11-13 20:27:52,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-13 20:27:52,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:52,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:27:52,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:52,934 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-13 20:27:54,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:54,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 665 states and 1392 transitions. [2024-11-13 20:27:54,447 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 1392 transitions. [2024-11-13 20:27:54,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-13 20:27:54,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:54,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:27:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:54,491 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-13 20:27:56,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:27:56,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 667 states and 1396 transitions. [2024-11-13 20:27:56,480 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 1396 transitions. [2024-11-13 20:27:56,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-13 20:27:56,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:27:56,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:27:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:27:57,075 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 20:28:01,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:01,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 674 states and 1410 transitions. [2024-11-13 20:28:01,714 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 1410 transitions. [2024-11-13 20:28:01,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-13 20:28:01,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:01,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:28:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:01,791 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 20:28:03,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:03,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 676 states and 1411 transitions. [2024-11-13 20:28:03,274 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1411 transitions. [2024-11-13 20:28:03,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-13 20:28:03,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:03,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:28:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:03,340 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 20:28:06,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:06,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 678 states and 1413 transitions. [2024-11-13 20:28:06,550 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 1413 transitions. [2024-11-13 20:28:06,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 20:28:06,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:06,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:28:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:28:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:06,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 20:28:06,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:06,765 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-13 20:28:21,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:21,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 696 states and 1452 transitions. [2024-11-13 20:28:21,383 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 1452 transitions. [2024-11-13 20:28:21,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 20:28:21,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:21,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:28:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:28:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:21,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 20:28:21,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:28:21,605 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2024-11-13 20:28:23,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:23,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1455 states to 698 states and 1455 transitions. [2024-11-13 20:28:23,453 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 1455 transitions. [2024-11-13 20:28:23,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 20:28:23,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:23,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:28:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:24,538 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-13 20:28:32,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:32,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 702 states and 1460 transitions. [2024-11-13 20:28:32,717 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1460 transitions. [2024-11-13 20:28:32,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 20:28:32,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:32,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:28:32,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:33,044 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-13 20:28:46,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:46,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 711 states and 1492 transitions. [2024-11-13 20:28:46,871 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 1492 transitions. [2024-11-13 20:28:46,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 20:28:46,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:46,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:28:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:46,940 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-13 20:28:54,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:54,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1504 states to 715 states and 1497 transitions. [2024-11-13 20:28:54,246 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 1497 transitions. [2024-11-13 20:28:54,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 20:28:54,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:54,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:28:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:54,338 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 20:28:54,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:28:54,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 716 states and 1524 transitions. [2024-11-13 20:28:54,716 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 1524 transitions. [2024-11-13 20:28:54,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 20:28:54,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:28:54,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:28:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:28:57,599 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-13 20:29:13,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:13,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 727 states and 1547 transitions. [2024-11-13 20:29:13,067 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1547 transitions. [2024-11-13 20:29:13,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 20:29:13,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:13,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:29:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:13,096 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-13 20:29:27,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:29:27,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1564 states to 731 states and 1557 transitions. [2024-11-13 20:29:27,793 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 1557 transitions. [2024-11-13 20:29:27,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 20:29:27,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:29:27,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:29:27,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:29:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:29:27,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:29:27,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:29:31,251 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-13 20:30:04,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:04,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 760 states and 1624 transitions. [2024-11-13 20:30:04,726 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 1624 transitions. [2024-11-13 20:30:04,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 20:30:04,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:04,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:30:04,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:04,766 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-13 20:30:30,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:30,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 764 states and 1634 transitions. [2024-11-13 20:30:30,732 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1634 transitions. [2024-11-13 20:30:30,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 20:30:30,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:30,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:30:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:30:30,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:30,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:30:30,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:37,236 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-13 20:30:57,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:30:57,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 775 states and 1672 transitions. [2024-11-13 20:30:57,292 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 1672 transitions. [2024-11-13 20:30:57,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-13 20:30:57,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:30:57,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:30:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:30:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:30:57,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 20:30:57,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:30:57,968 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-13 20:31:13,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:13,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 785 states and 1690 transitions. [2024-11-13 20:31:13,398 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1690 transitions. [2024-11-13 20:31:13,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-13 20:31:13,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:13,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:17,465 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 20:31:52,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:31:52,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1742 states to 809 states and 1735 transitions. [2024-11-13 20:31:52,783 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1735 transitions. [2024-11-13 20:31:52,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 20:31:52,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:31:52,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:31:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:31:52,836 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-13 20:32:04,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:04,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 815 states and 1758 transitions. [2024-11-13 20:32:04,888 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1758 transitions. [2024-11-13 20:32:04,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-13 20:32:04,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:04,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:32:04,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:04,996 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 20:32:06,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:06,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1767 states to 817 states and 1760 transitions. [2024-11-13 20:32:06,999 INFO L276 IsEmpty]: Start isEmpty. Operand 817 states and 1760 transitions. [2024-11-13 20:32:07,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 20:32:07,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:07,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:32:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:32:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:07,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 20:32:07,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:32:08,756 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-13 20:32:16,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:32:16,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 825 states and 1785 transitions. [2024-11-13 20:32:16,585 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1785 transitions. [2024-11-13 20:32:16,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-13 20:32:16,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:32:16,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:32:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:32:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:32:16,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 20:32:16,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:32:22,869 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked.