./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound50.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_5868ebb7-a201-4328-9dde-3ff43d598db9/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5868ebb7-a201-4328-9dde-3ff43d598db9/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_5868ebb7-a201-4328-9dde-3ff43d598db9/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5868ebb7-a201-4328-9dde-3ff43d598db9/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5868ebb7-a201-4328-9dde-3ff43d598db9/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_5868ebb7-a201-4328-9dde-3ff43d598db9/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 07777b75ead5ca82f9efe60a3e787c338f0f6d537d953087b187c05d2a960d83 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:40:48,529 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:40:48,615 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5868ebb7-a201-4328-9dde-3ff43d598db9/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 20:40:48,623 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:40:48,625 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:40:48,661 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:40:48,663 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:40:48,664 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:40:48,664 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:40:48,664 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:40:48,665 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:40:48,665 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:40:48,666 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:40:48,666 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:40:48,666 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:40:48,666 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:40:48,666 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:40:48,667 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:40:48,668 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:40:48,668 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:40:48,668 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 20:40:48,668 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 20:40:48,668 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:40:48,668 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:40:48,668 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:40:48,669 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:40:48,669 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:40:48,669 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:40:48,669 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:40:48,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:40:48,669 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:40:48,669 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:40:48,670 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:40:48,670 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:40:48,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:40:48,670 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_5868ebb7-a201-4328-9dde-3ff43d598db9/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 -> 07777b75ead5ca82f9efe60a3e787c338f0f6d537d953087b187c05d2a960d83 [2024-11-13 20:40:48,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:40:48,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:40:48,984 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:40:48,985 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:40:48,986 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:40:48,987 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5868ebb7-a201-4328-9dde-3ff43d598db9/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound50.c Unable to find full path for "g++" [2024-11-13 20:40:50,904 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:40:51,151 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:40:51,157 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5868ebb7-a201-4328-9dde-3ff43d598db9/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound50.c [2024-11-13 20:40:51,166 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5868ebb7-a201-4328-9dde-3ff43d598db9/bin/ukojak-verify-EEHR8qb7sm/data/74928160d/08ca1b8b0c254e08a93d56106a3416e5/FLAG97d05c395 [2024-11-13 20:40:51,190 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5868ebb7-a201-4328-9dde-3ff43d598db9/bin/ukojak-verify-EEHR8qb7sm/data/74928160d/08ca1b8b0c254e08a93d56106a3416e5 [2024-11-13 20:40:51,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:40:51,193 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:40:51,195 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:40:51,195 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:40:51,200 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:40:51,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:40:51" (1/1) ... [2024-11-13 20:40:51,201 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38cf7ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:51, skipping insertion in model container [2024-11-13 20:40:51,202 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:40:51" (1/1) ... [2024-11-13 20:40:51,220 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:40:51,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:40:51,418 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:40:51,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:40:51,450 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:40:51,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:51 WrapperNode [2024-11-13 20:40:51,451 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:40:51,452 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:40:51,452 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:40:51,452 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:40:51,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:51" (1/1) ... [2024-11-13 20:40:51,465 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:51" (1/1) ... [2024-11-13 20:40:51,485 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2024-11-13 20:40:51,485 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:40:51,486 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:40:51,486 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:40:51,486 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:40:51,494 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:51" (1/1) ... [2024-11-13 20:40:51,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:51" (1/1) ... [2024-11-13 20:40:51,496 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:51" (1/1) ... [2024-11-13 20:40:51,496 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:51" (1/1) ... [2024-11-13 20:40:51,500 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:51" (1/1) ... [2024-11-13 20:40:51,503 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:51" (1/1) ... [2024-11-13 20:40:51,504 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:51" (1/1) ... [2024-11-13 20:40:51,505 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:51" (1/1) ... [2024-11-13 20:40:51,511 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:40:51,512 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:40:51,512 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:40:51,512 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:40:51,513 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:51" (1/1) ... [2024-11-13 20:40:51,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:40:51,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5868ebb7-a201-4328-9dde-3ff43d598db9/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:40:51,551 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5868ebb7-a201-4328-9dde-3ff43d598db9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:40:51,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5868ebb7-a201-4328-9dde-3ff43d598db9/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:40:51,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:40:51,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:40:51,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:40:51,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:40:51,580 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:40:51,580 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:40:51,639 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:40:51,641 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:40:52,267 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-11-13 20:40:52,268 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:40:52,323 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:40:52,323 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:40:52,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:40:52 BoogieIcfgContainer [2024-11-13 20:40:52,325 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:40:52,326 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:40:52,326 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:40:52,336 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:40:52,337 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:40:52" (1/1) ... [2024-11-13 20:40:52,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:40:52,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:40:52,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 102 states and 109 transitions. [2024-11-13 20:40:52,402 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 109 transitions. [2024-11-13 20:40:52,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 20:40:52,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:40:52,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:40:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:40:52,545 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 20:40:52,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:40:52,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 102 states and 108 transitions. [2024-11-13 20:40:52,573 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2024-11-13 20:40:52,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 20:40:52,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:40:52,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:40:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:40:52,662 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 20:40:52,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:40:52,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 104 states and 114 transitions. [2024-11-13 20:40:52,714 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 114 transitions. [2024-11-13 20:40:52,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 20:40:52,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:40:52,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:40:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:40:52,807 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 20:40:52,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:40:52,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 107 states and 121 transitions. [2024-11-13 20:40:52,958 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 121 transitions. [2024-11-13 20:40:52,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:40:52,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:40:52,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:40:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:40:53,042 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 20:40:53,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:40:53,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 108 states and 122 transitions. [2024-11-13 20:40:53,062 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 122 transitions. [2024-11-13 20:40:53,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:40:53,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:40:53,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:40:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:40:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:40:53,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 20:40:53,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:40:53,258 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 20:40:53,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:40:53,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 113 states and 133 transitions. [2024-11-13 20:40:53,726 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 133 transitions. [2024-11-13 20:40:53,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:40:53,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:40:53,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:40:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:40:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:40:53,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 20:40:53,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:40:53,867 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 20:40:54,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:40:54,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 119 states and 146 transitions. [2024-11-13 20:40:54,602 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 146 transitions. [2024-11-13 20:40:54,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:40:54,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:40:54,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:40:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:40:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:40:54,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:40:54,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:40:54,799 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 20:40:55,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:40:55,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 126 states and 159 transitions. [2024-11-13 20:40:55,773 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 159 transitions. [2024-11-13 20:40:55,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:40:55,773 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:40:55,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:40:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:40:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:40:55,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:40:55,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:40:55,967 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 20:40:56,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:40:56,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 128 states and 162 transitions. [2024-11-13 20:40:56,134 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 162 transitions. [2024-11-13 20:40:56,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 20:40:56,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:40:56,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:40:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:40:56,533 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 20:40:57,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:40:57,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 137 states and 178 transitions. [2024-11-13 20:40:57,766 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 178 transitions. [2024-11-13 20:40:57,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 20:40:57,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:40:57,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:40:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:40:58,282 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 20:41:00,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:00,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 138 states and 179 transitions. [2024-11-13 20:41:00,312 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 179 transitions. [2024-11-13 20:41:00,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 20:41:00,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:00,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:00,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:41:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:41:00,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 20:41:00,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:41:00,578 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 20:41:04,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:04,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 149 states and 198 transitions. [2024-11-13 20:41:04,639 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 198 transitions. [2024-11-13 20:41:04,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:41:04,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:04,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:41:04,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:41:04,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 20:41:04,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:41:04,926 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 20:41:09,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:09,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 161 states and 219 transitions. [2024-11-13 20:41:09,336 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 219 transitions. [2024-11-13 20:41:09,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 20:41:09,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:09,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:09,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:41:09,677 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 20:41:10,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:10,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 164 states and 225 transitions. [2024-11-13 20:41:10,630 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 225 transitions. [2024-11-13 20:41:10,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 20:41:10,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:10,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:41:11,360 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 20:41:12,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:12,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 166 states and 227 transitions. [2024-11-13 20:41:12,950 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 227 transitions. [2024-11-13 20:41:12,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 20:41:12,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:12,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:41:13,489 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 20:41:17,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:17,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 175 states and 244 transitions. [2024-11-13 20:41:17,793 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 244 transitions. [2024-11-13 20:41:17,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 20:41:17,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:17,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:41:17,872 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 20:41:17,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:17,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 175 states and 244 transitions. [2024-11-13 20:41:17,915 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 244 transitions. [2024-11-13 20:41:17,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 20:41:17,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:17,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:41:18,324 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 20:41:22,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:22,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 184 states and 262 transitions. [2024-11-13 20:41:22,961 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 262 transitions. [2024-11-13 20:41:22,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 20:41:22,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:22,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:41:23,236 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 20:41:35,038 WARN L286 SmtUtils]: Spent 10.19s on a formula simplification that was a NOOP. DAG size: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:41:38,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:38,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 194 states and 280 transitions. [2024-11-13 20:41:38,715 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 280 transitions. [2024-11-13 20:41:38,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 20:41:38,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:38,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:41:39,182 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 20:41:48,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:48,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 210 states and 313 transitions. [2024-11-13 20:41:48,401 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 313 transitions. [2024-11-13 20:41:48,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 20:41:48,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:48,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:41:48,451 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 20:41:49,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:49,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 212 states and 317 transitions. [2024-11-13 20:41:49,154 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 317 transitions. [2024-11-13 20:41:49,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 20:41:49,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:49,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:41:49,461 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 20:41:51,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:51,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 215 states and 323 transitions. [2024-11-13 20:41:51,205 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 323 transitions. [2024-11-13 20:41:51,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 20:41:51,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:51,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:41:51,493 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 20:42:00,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:00,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 221 states and 333 transitions. [2024-11-13 20:42:00,426 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 333 transitions. [2024-11-13 20:42:00,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 20:42:00,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:00,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:00,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:42:00,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:00,468 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 20:42:00,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:42:00,864 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 20:42:07,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:07,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 232 states and 355 transitions. [2024-11-13 20:42:07,529 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 355 transitions. [2024-11-13 20:42:07,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 20:42:07,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:07,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:07,945 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 20:42:11,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:11,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 239 states and 373 transitions. [2024-11-13 20:42:11,707 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 373 transitions. [2024-11-13 20:42:11,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 20:42:11,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:11,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:11,744 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 20:42:11,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:11,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 242 states and 379 transitions. [2024-11-13 20:42:11,840 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 379 transitions. [2024-11-13 20:42:11,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 20:42:11,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:11,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:13,176 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 20:42:17,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:17,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 246 states and 387 transitions. [2024-11-13 20:42:17,215 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 387 transitions. [2024-11-13 20:42:17,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:42:17,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:17,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:18,105 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 20:42:27,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:27,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 251 states and 393 transitions. [2024-11-13 20:42:27,232 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 393 transitions. [2024-11-13 20:42:27,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 20:42:27,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:27,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:27,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:42:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:27,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 20:42:27,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:42:27,593 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 20:42:29,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:29,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 255 states and 399 transitions. [2024-11-13 20:42:29,178 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 399 transitions. [2024-11-13 20:42:29,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 20:42:29,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:29,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:42:29,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:29,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 20:42:29,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:42:29,614 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 20:42:31,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:31,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 259 states and 406 transitions. [2024-11-13 20:42:31,323 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 406 transitions. [2024-11-13 20:42:31,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 20:42:31,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:31,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:31,368 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 20:42:32,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:32,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 262 states and 411 transitions. [2024-11-13 20:42:32,193 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 411 transitions. [2024-11-13 20:42:32,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 20:42:32,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:32,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:32,518 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 20:42:35,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:35,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 267 states and 421 transitions. [2024-11-13 20:42:35,941 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 421 transitions. [2024-11-13 20:42:35,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:42:35,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:35,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:36,654 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 20:42:42,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:42,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 278 states and 443 transitions. [2024-11-13 20:42:42,029 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 443 transitions. [2024-11-13 20:42:42,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:42:42,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:42,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:42:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:42,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 20:42:42,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:42:42,506 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 20:42:44,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:44,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 282 states and 449 transitions. [2024-11-13 20:42:44,562 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 449 transitions. [2024-11-13 20:42:44,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:42:44,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:44,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:44,602 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 20:42:45,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:45,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 286 states and 455 transitions. [2024-11-13 20:42:45,471 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 455 transitions. [2024-11-13 20:42:45,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:42:45,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:45,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:45,500 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 20:42:45,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:45,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 287 states and 460 transitions. [2024-11-13 20:42:45,543 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 460 transitions. [2024-11-13 20:42:45,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 20:42:45,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:45,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:46,585 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 20:42:50,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:50,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 288 states and 466 transitions. [2024-11-13 20:42:50,624 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 466 transitions. [2024-11-13 20:42:50,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 20:42:50,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:50,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:51,347 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 20:42:54,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:54,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 294 states and 476 transitions. [2024-11-13 20:42:54,514 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 476 transitions. [2024-11-13 20:42:54,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 20:42:54,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:54,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:55,572 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 20:42:58,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:58,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 298 states and 483 transitions. [2024-11-13 20:42:58,461 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 483 transitions. [2024-11-13 20:42:58,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 20:42:58,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:58,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:59,578 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 20:43:04,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:43:04,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 299 states and 493 transitions. [2024-11-13 20:43:04,576 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 493 transitions. [2024-11-13 20:43:04,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 20:43:04,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:43:04,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:43:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:07,171 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 20:43:11,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:43:11,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 303 states and 500 transitions. [2024-11-13 20:43:11,968 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 500 transitions. [2024-11-13 20:43:11,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 20:43:11,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:43:11,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:43:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:12,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:43:23,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:43:23,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 322 states and 532 transitions. [2024-11-13 20:43:23,627 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 532 transitions. [2024-11-13 20:43:23,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 20:43:23,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:43:23,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:43:23,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:23,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:43:30,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:43:30,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 329 states and 542 transitions. [2024-11-13 20:43:30,465 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 542 transitions. [2024-11-13 20:43:30,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 20:43:30,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:43:30,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:43:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:30,734 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 20:43:31,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:43:31,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 328 states and 541 transitions. [2024-11-13 20:43:31,911 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 541 transitions. [2024-11-13 20:43:31,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 20:43:31,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:43:31,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:43:31,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:32,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:43:45,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:43:45,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 348 states and 581 transitions. [2024-11-13 20:43:45,503 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 581 transitions. [2024-11-13 20:43:45,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 20:43:45,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:43:45,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:43:45,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:45,545 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:43:52,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:43:52,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 355 states and 591 transitions. [2024-11-13 20:43:52,377 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 591 transitions. [2024-11-13 20:43:52,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 20:43:52,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:43:52,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:43:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:52,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:44:00,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:00,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 362 states and 601 transitions. [2024-11-13 20:44:00,046 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 601 transitions. [2024-11-13 20:44:00,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 20:44:00,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:00,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:44:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:00,114 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 20:44:00,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:00,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 364 states and 603 transitions. [2024-11-13 20:44:00,186 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 603 transitions. [2024-11-13 20:44:00,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 20:44:00,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:00,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:44:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:00,226 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:44:07,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:07,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 371 states and 613 transitions. [2024-11-13 20:44:07,688 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 613 transitions. [2024-11-13 20:44:07,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 20:44:07,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:07,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:44:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:44:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:07,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:44:07,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:44:09,037 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 20:44:16,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:16,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 380 states and 625 transitions. [2024-11-13 20:44:16,054 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 625 transitions. [2024-11-13 20:44:16,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 20:44:16,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:16,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:44:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:16,075 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:44:28,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:28,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 391 states and 654 transitions. [2024-11-13 20:44:28,213 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 654 transitions. [2024-11-13 20:44:28,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 20:44:28,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:28,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:44:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:44:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:28,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:44:28,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:44:32,343 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:44:50,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:50,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 402 states and 690 transitions. [2024-11-13 20:44:50,355 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 690 transitions. [2024-11-13 20:44:50,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 20:44:50,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:50,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:44:50,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:50,375 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:44:59,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:59,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 409 states and 700 transitions. [2024-11-13 20:44:59,304 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 700 transitions. [2024-11-13 20:44:59,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 20:44:59,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:59,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:44:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:44:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:59,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 20:44:59,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:00,539 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:45:16,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:16,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 417 states and 729 transitions. [2024-11-13 20:45:16,475 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 729 transitions. [2024-11-13 20:45:16,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 20:45:16,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:16,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:45:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:45:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:16,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:45:16,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:17,966 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 20:45:23,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:23,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 425 states and 738 transitions. [2024-11-13 20:45:23,255 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 738 transitions. [2024-11-13 20:45:23,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 20:45:23,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:23,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:45:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:23,358 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:46:08,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:08,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 435 states and 765 transitions. [2024-11-13 20:46:08,981 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 765 transitions. [2024-11-13 20:46:08,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 20:46:08,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:08,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:46:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:46:09,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:09,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:46:09,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:46:12,170 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:46:27,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:27,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 443 states and 792 transitions. [2024-11-13 20:46:27,368 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 792 transitions. [2024-11-13 20:46:27,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 20:46:27,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:27,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:46:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:46:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:27,402 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:46:27,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:46:35,297 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:46:56,492 WARN L286 SmtUtils]: Spent 10.13s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:47:19,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 20:47:19,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:19,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 445 states and 801 transitions. [2024-11-13 20:47:19,588 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 801 transitions. [2024-11-13 20:47:19,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 20:47:19,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:19,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:47:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:19,612 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:47:48,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:48,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 453 states and 822 transitions. [2024-11-13 20:47:48,303 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 822 transitions. [2024-11-13 20:47:48,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 20:47:48,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:48,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:47:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:47:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:48,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:47:48,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:01,318 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:51:03,695 WARN L286 SmtUtils]: Spent 6.45s on a formula simplification. DAG size of input: 28 DAG size of output: 26 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:51:22,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-13 20:51:34,655 WARN L286 SmtUtils]: Spent 5.67s on a formula simplification. DAG size of input: 37 DAG size of output: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:52:20,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:20,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 476 states and 883 transitions. [2024-11-13 20:52:20,099 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 883 transitions. [2024-11-13 20:52:20,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 20:52:20,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:20,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:52:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:52:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:20,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:52:20,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:21,199 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:52:35,182 WARN L286 SmtUtils]: Spent 10.04s on a formula simplification. DAG size of input: 35 DAG size of output: 29 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:54:40,387 WARN L286 SmtUtils]: Spent 5.17s on a formula simplification. DAG size of input: 28 DAG size of output: 20 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:54:46,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:46,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 481 states and 898 transitions. [2024-11-13 20:54:46,821 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 898 transitions. [2024-11-13 20:54:46,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 20:54:46,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:46,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:54:46,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:54:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:46,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:54:46,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:54:47,962 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:55:09,218 WARN L286 SmtUtils]: Spent 10.97s on a formula simplification. DAG size of input: 31 DAG size of output: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 20:55:30,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:30,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 482 states and 901 transitions. [2024-11-13 20:55:30,406 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 901 transitions. [2024-11-13 20:55:30,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 20:55:30,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:30,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:55:30,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:30,432 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.