./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/prodbin-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f5480d-85fb-4a04-8f9f-7b694a0b06e1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f5480d-85fb-4a04-8f9f-7b694a0b06e1/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f5480d-85fb-4a04-8f9f-7b694a0b06e1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f5480d-85fb-4a04-8f9f-7b694a0b06e1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/prodbin-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f5480d-85fb-4a04-8f9f-7b694a0b06e1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f5480d-85fb-4a04-8f9f-7b694a0b06e1/bin/ukojak-verify-CZk0znPC7b --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 77bbfba272f7904e5efe099569a5ed86d54de3fd07a8ce9d48301467c5048e30 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:07:31,380 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:07:31,435 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f5480d-85fb-4a04-8f9f-7b694a0b06e1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 02:07:31,440 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:07:31,440 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:07:31,459 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:07:31,460 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:07:31,460 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:07:31,461 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:07:31,461 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:07:31,461 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:07:31,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:07:31,461 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:07:31,461 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:07:31,461 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:07:31,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:07:31,462 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:07:31,462 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:07:31,462 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:07:31,462 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 02:07:31,462 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:07:31,462 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:07:31,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:07:31,462 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:07:31,462 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:07:31,463 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:07:31,463 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:07:31,463 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:07:31,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:07:31,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:07:31,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:07:31,463 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:07:31,463 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:07:31,463 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:07:31,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:07:31,464 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_b7f5480d-85fb-4a04-8f9f-7b694a0b06e1/bin/ukojak-verify-CZk0znPC7b 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 -> 77bbfba272f7904e5efe099569a5ed86d54de3fd07a8ce9d48301467c5048e30 [2024-12-06 02:07:31,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:07:31,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:07:31,678 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:07:31,680 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:07:31,680 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:07:31,681 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f5480d-85fb-4a04-8f9f-7b694a0b06e1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench/prodbin-ll.c [2024-12-06 02:07:34,353 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f5480d-85fb-4a04-8f9f-7b694a0b06e1/bin/ukojak-verify-CZk0znPC7b/data/be5816a2e/b5489fa427c94cc69352b7fc37388cb7/FLAG2074b050b [2024-12-06 02:07:34,556 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:07:34,556 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f5480d-85fb-4a04-8f9f-7b694a0b06e1/sv-benchmarks/c/nla-digbench/prodbin-ll.c [2024-12-06 02:07:34,564 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f5480d-85fb-4a04-8f9f-7b694a0b06e1/bin/ukojak-verify-CZk0znPC7b/data/be5816a2e/b5489fa427c94cc69352b7fc37388cb7/FLAG2074b050b [2024-12-06 02:07:34,936 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f5480d-85fb-4a04-8f9f-7b694a0b06e1/bin/ukojak-verify-CZk0znPC7b/data/be5816a2e/b5489fa427c94cc69352b7fc37388cb7 [2024-12-06 02:07:34,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:07:34,939 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:07:34,940 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:07:34,940 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:07:34,943 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:07:34,944 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:07:34" (1/1) ... [2024-12-06 02:07:34,945 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@114a9116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:07:34, skipping insertion in model container [2024-12-06 02:07:34,945 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:07:34" (1/1) ... [2024-12-06 02:07:34,954 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:07:35,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:07:35,077 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:07:35,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:07:35,102 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:07:35,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:07:35 WrapperNode [2024-12-06 02:07:35,103 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:07:35,103 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:07:35,103 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:07:35,103 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:07:35,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:07:35" (1/1) ... [2024-12-06 02:07:35,112 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:07:35" (1/1) ... [2024-12-06 02:07:35,125 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-12-06 02:07:35,125 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:07:35,125 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:07:35,126 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:07:35,126 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:07:35,132 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:07:35" (1/1) ... [2024-12-06 02:07:35,132 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:07:35" (1/1) ... [2024-12-06 02:07:35,133 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:07:35" (1/1) ... [2024-12-06 02:07:35,133 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:07:35" (1/1) ... [2024-12-06 02:07:35,136 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:07:35" (1/1) ... [2024-12-06 02:07:35,137 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:07:35" (1/1) ... [2024-12-06 02:07:35,140 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:07:35" (1/1) ... [2024-12-06 02:07:35,141 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:07:35" (1/1) ... [2024-12-06 02:07:35,141 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:07:35" (1/1) ... [2024-12-06 02:07:35,142 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:07:35,143 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:07:35,143 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:07:35,143 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:07:35,144 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:07:35" (1/1) ... [2024-12-06 02:07:35,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:07:35,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f5480d-85fb-4a04-8f9f-7b694a0b06e1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:07:35,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f5480d-85fb-4a04-8f9f-7b694a0b06e1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:07:35,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7f5480d-85fb-4a04-8f9f-7b694a0b06e1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:07:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:07:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:07:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:07:35,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:07:35,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:07:35,200 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:07:35,252 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:07:35,254 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:07:35,419 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-12-06 02:07:35,419 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:07:35,455 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:07:35,455 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:07:35,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:07:35 BoogieIcfgContainer [2024-12-06 02:07:35,456 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:07:35,456 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:07:35,457 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:07:35,464 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:07:35,464 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:07:35" (1/1) ... [2024-12-06 02:07:35,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:07:35,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:35,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 41 states and 44 transitions. [2024-12-06 02:07:35,510 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2024-12-06 02:07:35,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 02:07:35,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:35,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:07:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:35,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:07:35,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:35,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:07:35,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:35,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 42 states and 45 transitions. [2024-12-06 02:07:35,701 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2024-12-06 02:07:35,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-06 02:07:35,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:35,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:35,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:07:35,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:35,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:07:35,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:35,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:07:35,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:35,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 44 states and 49 transitions. [2024-12-06 02:07:35,867 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2024-12-06 02:07:35,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:07:35,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:35,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:35,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:07:36,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:36,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2024-12-06 02:07:36,214 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2024-12-06 02:07:36,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:07:36,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:36,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:36,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:07:36,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:36,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 48 states and 56 transitions. [2024-12-06 02:07:36,640 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2024-12-06 02:07:36,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 02:07:36,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:36,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:07:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:36,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 02:07:36,663 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:36,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:07:37,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:37,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 53 states and 65 transitions. [2024-12-06 02:07:37,456 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2024-12-06 02:07:37,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:07:37,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:37,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:07:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:37,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 02:07:37,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:37,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:07:38,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:38,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2024-12-06 02:07:38,417 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2024-12-06 02:07:38,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 02:07:38,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:38,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:38,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:07:39,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:39,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 67 states and 91 transitions. [2024-12-06 02:07:39,755 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 91 transitions. [2024-12-06 02:07:39,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:07:39,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:39,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:39,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:07:40,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:40,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 76 states and 107 transitions. [2024-12-06 02:07:40,533 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 107 transitions. [2024-12-06 02:07:40,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:07:40,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:40,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:40,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:07:41,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:41,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 82 states and 118 transitions. [2024-12-06 02:07:41,067 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 118 transitions. [2024-12-06 02:07:41,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 02:07:41,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:41,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:41,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:07:41,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:41,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 91 states and 134 transitions. [2024-12-06 02:07:41,864 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 134 transitions. [2024-12-06 02:07:41,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 02:07:41,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:41,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:41,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:07:42,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:42,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 93 states and 137 transitions. [2024-12-06 02:07:42,024 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 137 transitions. [2024-12-06 02:07:42,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 02:07:42,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:42,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:42,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:42,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:07:43,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:43,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 99 states and 151 transitions. [2024-12-06 02:07:43,080 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 151 transitions. [2024-12-06 02:07:43,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 02:07:43,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:43,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:43,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:07:43,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:43,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 101 states and 155 transitions. [2024-12-06 02:07:43,328 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 155 transitions. [2024-12-06 02:07:43,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:07:43,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:43,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:43,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:07:44,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:44,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 108 states and 177 transitions. [2024-12-06 02:07:44,528 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 177 transitions. [2024-12-06 02:07:44,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:07:44,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:44,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:44,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:44,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:07:44,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:44,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 112 states and 185 transitions. [2024-12-06 02:07:44,809 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 185 transitions. [2024-12-06 02:07:44,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 02:07:44,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:44,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:07:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:44,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 02:07:44,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:45,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:07:46,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:46,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 117 states and 204 transitions. [2024-12-06 02:07:46,195 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 204 transitions. [2024-12-06 02:07:46,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 02:07:46,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:46,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:46,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:07:46,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:46,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 120 states and 208 transitions. [2024-12-06 02:07:46,575 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 208 transitions. [2024-12-06 02:07:46,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 02:07:46,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:46,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:07:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:46,595 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 02:07:46,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:47,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:07:48,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:48,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 124 states and 220 transitions. [2024-12-06 02:07:48,922 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 220 transitions. [2024-12-06 02:07:48,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 02:07:48,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:48,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:48,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:07:49,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:49,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 126 states and 223 transitions. [2024-12-06 02:07:49,141 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 223 transitions. [2024-12-06 02:07:49,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 02:07:49,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:49,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:49,168 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:07:49,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:49,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 131 states and 231 transitions. [2024-12-06 02:07:49,977 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 231 transitions. [2024-12-06 02:07:49,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 02:07:49,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:49,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:50,017 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:07:51,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:51,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 133 states and 235 transitions. [2024-12-06 02:07:51,671 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 235 transitions. [2024-12-06 02:07:51,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 02:07:51,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:51,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:51,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:07:51,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:51,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 134 states and 235 transitions. [2024-12-06 02:07:51,920 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 235 transitions. [2024-12-06 02:07:51,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 02:07:51,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:51,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:52,033 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:07:54,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:54,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 144 states and 257 transitions. [2024-12-06 02:07:54,917 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 257 transitions. [2024-12-06 02:07:54,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 02:07:54,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:54,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:54,936 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:07:55,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:55,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 145 states and 258 transitions. [2024-12-06 02:07:55,247 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 258 transitions. [2024-12-06 02:07:55,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 02:07:55,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:55,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:55,264 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:07:56,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:56,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 147 states and 262 transitions. [2024-12-06 02:07:56,419 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 262 transitions. [2024-12-06 02:07:56,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 02:07:56,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:56,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:07:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:07:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:56,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 02:07:56,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:57,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:08:01,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:01,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 154 states and 294 transitions. [2024-12-06 02:08:01,329 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 294 transitions. [2024-12-06 02:08:01,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 02:08:01,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:01,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:08:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:01,649 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:08:10,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:10,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 165 states and 320 transitions. [2024-12-06 02:08:10,096 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 320 transitions. [2024-12-06 02:08:10,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 02:08:10,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:10,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:08:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:10,109 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:08:10,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:10,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 166 states and 323 transitions. [2024-12-06 02:08:10,979 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 323 transitions. [2024-12-06 02:08:10,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 02:08:10,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:10,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:08:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:11,011 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:08:15,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:15,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 170 states and 332 transitions. [2024-12-06 02:08:15,008 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 332 transitions. [2024-12-06 02:08:15,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 02:08:15,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:15,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:08:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:15,022 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:08:17,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:17,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 172 states and 338 transitions. [2024-12-06 02:08:17,341 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 338 transitions. [2024-12-06 02:08:17,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 02:08:17,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:17,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:08:17,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:17,358 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:08:17,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:17,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 173 states and 341 transitions. [2024-12-06 02:08:17,963 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 341 transitions. [2024-12-06 02:08:17,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 02:08:17,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:17,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:08:17,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:08:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:17,986 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:08:17,987 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:19,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:08:25,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:25,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 176 states and 362 transitions. [2024-12-06 02:08:25,707 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 362 transitions. [2024-12-06 02:08:25,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 02:08:25,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:25,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:08:25,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:08:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:25,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 02:08:25,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:34,284 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:08:47,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:47,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 185 states and 390 transitions. [2024-12-06 02:08:47,194 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 390 transitions. [2024-12-06 02:08:47,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 02:08:47,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:47,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:08:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:08:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:47,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 02:08:47,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:07,690 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:09:26,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:26,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 188 states and 397 transitions. [2024-12-06 02:09:26,966 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 397 transitions. [2024-12-06 02:09:26,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 02:09:26,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:26,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:09:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:09:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:26,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 02:09:26,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:37,401 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:10:23,670 WARN L286 SmtUtils]: Spent 8.45s on a formula simplification. DAG size of input: 46 DAG size of output: 22 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:10:29,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:10:29,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 191 states and 407 transitions. [2024-12-06 02:10:29,297 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 407 transitions. [2024-12-06 02:10:29,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 02:10:29,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:10:29,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:10:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:10:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:29,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 02:10:29,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:10:33,846 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:10:54,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:10:54,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 199 states and 443 transitions. [2024-12-06 02:10:54,869 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 443 transitions. [2024-12-06 02:10:54,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 02:10:54,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:10:54,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:10:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:10:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:54,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 02:10:54,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:10:57,236 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:11:05,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:11:05,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 203 states and 448 transitions. [2024-12-06 02:11:05,341 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 448 transitions. [2024-12-06 02:11:05,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 02:11:05,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:11:05,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:11:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:11:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:11:05,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 02:11:05,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:11:19,734 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:11:34,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:11:34,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 204 states and 456 transitions. [2024-12-06 02:11:34,782 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 456 transitions. [2024-12-06 02:11:34,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:11:34,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:11:34,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:11:34,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:11:34,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:11:34,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 02:11:34,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:11:36,892 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:11:48,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:11:48,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 212 states and 479 transitions. [2024-12-06 02:11:48,117 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 479 transitions. [2024-12-06 02:11:48,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:11:48,117 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:11:48,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:11:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:11:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:11:48,140 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 02:11:48,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:11:53,461 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:12:11,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:12:11,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 216 states and 501 transitions. [2024-12-06 02:12:11,268 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 501 transitions. [2024-12-06 02:12:11,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:12:11,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:12:11,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:12:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:12:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:12:11,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 02:12:11,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:12:16,556 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:13:16,852 WARN L286 SmtUtils]: Spent 25.33s on a formula simplification. DAG size of input: 61 DAG size of output: 56 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:13:46,244 WARN L286 SmtUtils]: Spent 18.47s on a formula simplification. DAG size of input: 63 DAG size of output: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:14:02,582 WARN L286 SmtUtils]: Spent 10.16s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:14:24,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:14:24,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 220 states and 523 transitions. [2024-12-06 02:14:24,309 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 523 transitions. [2024-12-06 02:14:24,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 02:14:24,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:14:24,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:14:24,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:14:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:14:24,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 02:14:24,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:13,205 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:19:44,213 WARN L286 SmtUtils]: Spent 30.29s on a formula simplification. DAG size of input: 69 DAG size of output: 65 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:20:09,435 WARN L286 SmtUtils]: Spent 10.12s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)