./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dfeaa9-13f7-4e59-a738-5f19a8043432/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dfeaa9-13f7-4e59-a738-5f19a8043432/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_43dfeaa9-13f7-4e59-a738-5f19a8043432/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dfeaa9-13f7-4e59-a738-5f19a8043432/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dfeaa9-13f7-4e59-a738-5f19a8043432/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dfeaa9-13f7-4e59-a738-5f19a8043432/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b879e9957df47aa9212d1bcb19c90b87b865d954f1a44f3c044747ce0553d2eb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:26:27,354 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:26:27,412 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dfeaa9-13f7-4e59-a738-5f19a8043432/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:26:27,417 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:26:27,417 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:26:27,438 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:26:27,438 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:26:27,439 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:26:27,439 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:26:27,439 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:26:27,439 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:26:27,439 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:26:27,439 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:26:27,440 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:26:27,440 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:26:27,440 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:26:27,440 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:26:27,440 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:26:27,440 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:26:27,440 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:26:27,440 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:26:27,440 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:26:27,440 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:26:27,440 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:26:27,441 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:26:27,441 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:26:27,441 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:26:27,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:26:27,441 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:26:27,441 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:26:27,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:26:27,441 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:26:27,441 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:26:27,441 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_43dfeaa9-13f7-4e59-a738-5f19a8043432/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 ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b879e9957df47aa9212d1bcb19c90b87b865d954f1a44f3c044747ce0553d2eb [2024-12-06 02:26:27,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:26:27,673 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:26:27,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:26:27,676 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:26:27,677 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:26:27,678 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dfeaa9-13f7-4e59-a738-5f19a8043432/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound10.i [2024-12-06 02:26:30,355 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dfeaa9-13f7-4e59-a738-5f19a8043432/bin/ukojak-verify-CZk0znPC7b/data/63b850389/909e129e0c2448dcb4a0ead7d1a11e21/FLAGc409bb603 [2024-12-06 02:26:30,514 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:26:30,515 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dfeaa9-13f7-4e59-a738-5f19a8043432/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound10.i [2024-12-06 02:26:30,520 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dfeaa9-13f7-4e59-a738-5f19a8043432/bin/ukojak-verify-CZk0znPC7b/data/63b850389/909e129e0c2448dcb4a0ead7d1a11e21/FLAGc409bb603 [2024-12-06 02:26:30,531 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dfeaa9-13f7-4e59-a738-5f19a8043432/bin/ukojak-verify-CZk0znPC7b/data/63b850389/909e129e0c2448dcb4a0ead7d1a11e21 [2024-12-06 02:26:30,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:26:30,534 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:26:30,535 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:26:30,536 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:26:30,540 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:26:30,541 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:26:30" (1/1) ... [2024-12-06 02:26:30,541 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bc2f930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:26:30, skipping insertion in model container [2024-12-06 02:26:30,542 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:26:30" (1/1) ... [2024-12-06 02:26:30,556 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:26:30,693 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dfeaa9-13f7-4e59-a738-5f19a8043432/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound10.i[950,963] [2024-12-06 02:26:30,709 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:26:30,718 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:26:30,729 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dfeaa9-13f7-4e59-a738-5f19a8043432/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound10.i[950,963] [2024-12-06 02:26:30,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:26:30,749 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:26:30,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:26:30 WrapperNode [2024-12-06 02:26:30,749 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:26:30,750 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:26:30,750 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:26:30,751 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:26:30,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:26:30" (1/1) ... [2024-12-06 02:26:30,763 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:26:30" (1/1) ... [2024-12-06 02:26:30,777 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2024-12-06 02:26:30,777 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:26:30,778 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:26:30,778 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:26:30,778 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:26:30,785 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:26:30" (1/1) ... [2024-12-06 02:26:30,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:26:30" (1/1) ... [2024-12-06 02:26:30,786 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:26:30" (1/1) ... [2024-12-06 02:26:30,786 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:26:30" (1/1) ... [2024-12-06 02:26:30,789 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:26:30" (1/1) ... [2024-12-06 02:26:30,790 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:26:30" (1/1) ... [2024-12-06 02:26:30,793 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:26:30" (1/1) ... [2024-12-06 02:26:30,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:26:30" (1/1) ... [2024-12-06 02:26:30,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:26:30" (1/1) ... [2024-12-06 02:26:30,796 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:26:30,797 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:26:30,797 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:26:30,797 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:26:30,798 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:26:30" (1/1) ... [2024-12-06 02:26:30,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:26:30,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dfeaa9-13f7-4e59-a738-5f19a8043432/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:26:30,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dfeaa9-13f7-4e59-a738-5f19a8043432/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:26:30,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43dfeaa9-13f7-4e59-a738-5f19a8043432/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:26:30,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:26:30,859 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 02:26:30,860 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 02:26:30,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:26:30,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:26:30,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:26:30,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:26:30,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:26:30,919 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:26:30,922 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:26:31,049 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 02:26:31,049 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:26:31,075 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:26:31,075 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:26:31,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:26:31 BoogieIcfgContainer [2024-12-06 02:26:31,076 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:26:31,076 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:26:31,076 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:26:31,083 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:26:31,083 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:26:31" (1/1) ... [2024-12-06 02:26:31,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:26:31,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:31,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-12-06 02:26:31,136 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-12-06 02:26:31,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 02:26:31,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:31,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:31,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:26:31,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:31,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2024-12-06 02:26:31,291 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-12-06 02:26:31,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:26:31,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:31,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:31,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:26:31,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:31,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 30 transitions. [2024-12-06 02:26:31,462 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2024-12-06 02:26:31,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 02:26:31,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:31,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:26:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:31,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:26:31,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:26:31,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:26:31,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:31,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 47 transitions. [2024-12-06 02:26:31,908 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2024-12-06 02:26:31,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 02:26:31,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:31,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:32,054 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:26:32,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:32,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 35 states and 54 transitions. [2024-12-06 02:26:32,424 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 54 transitions. [2024-12-06 02:26:32,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 02:26:32,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:32,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:32,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:26:32,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:32,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 37 states and 59 transitions. [2024-12-06 02:26:32,638 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2024-12-06 02:26:32,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 02:26:32,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:32,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:26:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:32,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:26:32,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:26:32,752 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 02:26:32,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:32,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 39 states and 60 transitions. [2024-12-06 02:26:32,979 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2024-12-06 02:26:32,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 02:26:32,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:32,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:32,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:33,103 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:26:33,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:33,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 42 states and 67 transitions. [2024-12-06 02:26:33,561 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 67 transitions. [2024-12-06 02:26:33,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 02:26:33,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:33,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:33,831 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:26:34,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:34,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 43 states and 67 transitions. [2024-12-06 02:26:34,366 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 67 transitions. [2024-12-06 02:26:34,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 02:26:34,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:34,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:34,464 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:26:34,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:34,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 73 transitions. [2024-12-06 02:26:34,681 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 73 transitions. [2024-12-06 02:26:34,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 02:26:34,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:34,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:26:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:34,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 02:26:34,728 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:26:34,874 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-06 02:26:35,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:35,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 47 states and 74 transitions. [2024-12-06 02:26:35,225 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 74 transitions. [2024-12-06 02:26:35,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 02:26:35,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:35,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:35,490 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:26:37,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:37,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 94 transitions. [2024-12-06 02:26:37,302 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 94 transitions. [2024-12-06 02:26:37,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 02:26:37,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:37,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:37,472 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:26:38,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:38,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 57 states and 105 transitions. [2024-12-06 02:26:38,181 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 105 transitions. [2024-12-06 02:26:38,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 02:26:38,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:38,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:38,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:26:38,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:38,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:26:38,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:26:38,310 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-06 02:26:38,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:38,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 59 states and 106 transitions. [2024-12-06 02:26:38,603 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 106 transitions. [2024-12-06 02:26:38,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 02:26:38,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:38,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:26:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:38,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-06 02:26:38,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:26:39,950 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:26:45,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:45,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 72 states and 144 transitions. [2024-12-06 02:26:45,811 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 144 transitions. [2024-12-06 02:26:45,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 02:26:45,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:45,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:26:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:45,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 02:26:45,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:26:46,833 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:26:52,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:52,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 82 states and 177 transitions. [2024-12-06 02:26:52,189 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 177 transitions. [2024-12-06 02:26:52,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 02:26:52,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:52,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:26:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:52,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 02:26:52,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:26:53,218 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:26:57,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:57,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 87 states and 196 transitions. [2024-12-06 02:26:57,741 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 196 transitions. [2024-12-06 02:26:57,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 02:26:57,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:57,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:58,046 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:26:59,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:26:59,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 90 states and 212 transitions. [2024-12-06 02:26:59,336 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 212 transitions. [2024-12-06 02:26:59,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 02:26:59,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:26:59,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:26:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:26:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:26:59,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:26:59,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:26:59,457 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 02:27:00,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:27:00,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 92 states and 213 transitions. [2024-12-06 02:27:00,016 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 213 transitions. [2024-12-06 02:27:00,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 02:27:00,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:27:00,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:27:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:27:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:27:00,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-06 02:27:00,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:27:01,868 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:27:06,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:27:06,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 96 states and 218 transitions. [2024-12-06 02:27:06,740 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 218 transitions. [2024-12-06 02:27:06,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 02:27:06,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:27:06,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:27:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:27:06,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:27:06,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 02:27:06,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:27:21,398 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 02:28:08,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:28:08,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 101 states and 239 transitions. [2024-12-06 02:28:08,623 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 239 transitions. [2024-12-06 02:28:08,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 02:28:08,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:28:08,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:28:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:28:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:28:08,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 02:28:08,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:28:09,371 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 02:28:19,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:28:19,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 109 states and 265 transitions. [2024-12-06 02:28:19,070 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 265 transitions. [2024-12-06 02:28:19,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 02:28:19,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:28:19,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:28:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:28:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:28:19,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 02:28:19,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:28:19,938 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 7 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:28:26,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:28:26,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 112 states and 278 transitions. [2024-12-06 02:28:26,367 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 278 transitions. [2024-12-06 02:28:26,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 02:28:26,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:28:26,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:28:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:28:26,983 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:28:29,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:28:29,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 115 states and 299 transitions. [2024-12-06 02:28:29,855 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 299 transitions. [2024-12-06 02:28:29,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 02:28:29,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:28:29,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:28:29,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:28:29,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:28:29,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 02:28:29,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:28:30,367 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-12-06 02:28:31,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:28:31,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 117 states and 300 transitions. [2024-12-06 02:28:31,526 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 300 transitions. [2024-12-06 02:28:31,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 02:28:31,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:28:31,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:28:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:28:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:28:31,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 02:28:31,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:28:54,736 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 13 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:29:39,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:29:39,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 122 states and 327 transitions. [2024-12-06 02:29:39,970 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 327 transitions. [2024-12-06 02:29:39,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 02:29:39,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:29:39,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:29:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:29:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:29:40,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 02:29:40,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:30:21,825 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:31:44,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:31:44,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 125 states and 349 transitions. [2024-12-06 02:31:44,551 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 349 transitions. [2024-12-06 02:31:44,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 02:31:44,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:31:44,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:31:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:31:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:31:44,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 02:31:44,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:32:13,208 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:32:38,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:32:38,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 126 states and 361 transitions. [2024-12-06 02:32:38,402 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 361 transitions. [2024-12-06 02:32:38,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 02:32:38,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:32:38,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:32:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:32:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:32:38,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 02:32:38,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:33:52,339 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:34:17,305 WARN L286 SmtUtils]: Spent 14.38s on a formula simplification. DAG size of input: 41 DAG size of output: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:35:38,802 WARN L286 SmtUtils]: Spent 7.54s on a formula simplification. DAG size of input: 44 DAG size of output: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 02:37:30,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.29s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:39:08,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:08,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 135 states and 401 transitions. [2024-12-06 02:39:08,758 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 401 transitions. [2024-12-06 02:39:08,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 02:39:08,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:08,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:39:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:08,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:39:08,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:39:10,271 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-12-06 02:39:19,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:19,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 139 states and 410 transitions. [2024-12-06 02:39:19,260 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 410 transitions. [2024-12-06 02:39:19,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 02:39:19,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:19,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:24,416 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 02:39:43,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:43,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 143 states and 423 transitions. [2024-12-06 02:39:43,921 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 423 transitions. [2024-12-06 02:39:43,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 02:39:43,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:43,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:44,165 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 02:39:57,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:57,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 146 states and 435 transitions. [2024-12-06 02:39:57,901 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 435 transitions. [2024-12-06 02:39:57,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 02:39:57,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:57,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:39:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:59,779 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:40:10,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:40:10,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 149 states and 462 transitions. [2024-12-06 02:40:10,169 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 462 transitions. [2024-12-06 02:40:10,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-06 02:40:10,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:40:10,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:40:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:40:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:40:10,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:40:10,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:40:10,304 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-12-06 02:40:14,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:40:14,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 151 states and 463 transitions. [2024-12-06 02:40:14,191 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 463 transitions. [2024-12-06 02:40:14,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 02:40:14,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:40:14,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:40:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:40:15,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:40:15,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 02:40:15,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:40:18,894 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 02:41:14,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.23s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:41:30,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:41:30,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 156 states and 482 transitions. [2024-12-06 02:41:30,521 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 482 transitions. [2024-12-06 02:41:30,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 02:41:30,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:41:30,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:41:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:41:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:41:30,985 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 02:41:30,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:41:34,078 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.