./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-66.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_499aa233-fddc-4186-8717-772963d79906/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499aa233-fddc-4186-8717-772963d79906/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_499aa233-fddc-4186-8717-772963d79906/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499aa233-fddc-4186-8717-772963d79906/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-66.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499aa233-fddc-4186-8717-772963d79906/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_499aa233-fddc-4186-8717-772963d79906/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 4b23e56f7fb6f5a6e6082a7d837c764b9113a3019ea380051f143af60aabcf6a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:38:06,650 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:38:06,707 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499aa233-fddc-4186-8717-772963d79906/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:38:06,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:38:06,712 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:38:06,733 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:38:06,734 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:38:06,734 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:38:06,735 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:38:06,735 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:38:06,735 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:38:06,735 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:38:06,735 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:38:06,735 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:38:06,735 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:38:06,735 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:38:06,735 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:38:06,736 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:38:06,736 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:38:06,736 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:38:06,736 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:38:06,736 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:38:06,736 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:38:06,736 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:38:06,736 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:38:06,736 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:38:06,736 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:38:06,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:38:06,737 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:38:06,737 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:38:06,737 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:38:06,737 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:38:06,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:38:06,737 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_499aa233-fddc-4186-8717-772963d79906/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 -> 4b23e56f7fb6f5a6e6082a7d837c764b9113a3019ea380051f143af60aabcf6a [2024-12-06 00:38:07,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:38:07,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:38:07,015 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:38:07,016 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:38:07,017 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:38:07,018 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499aa233-fddc-4186-8717-772963d79906/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-66.i [2024-12-06 00:38:09,673 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499aa233-fddc-4186-8717-772963d79906/bin/ukojak-verify-CZk0znPC7b/data/601d93493/0ea5d9911c0a4edc808ee6ca3af19065/FLAGe71209e3b [2024-12-06 00:38:09,891 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:38:09,891 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499aa233-fddc-4186-8717-772963d79906/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-66.i [2024-12-06 00:38:09,901 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499aa233-fddc-4186-8717-772963d79906/bin/ukojak-verify-CZk0znPC7b/data/601d93493/0ea5d9911c0a4edc808ee6ca3af19065/FLAGe71209e3b [2024-12-06 00:38:09,914 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499aa233-fddc-4186-8717-772963d79906/bin/ukojak-verify-CZk0znPC7b/data/601d93493/0ea5d9911c0a4edc808ee6ca3af19065 [2024-12-06 00:38:09,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:38:09,918 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:38:09,919 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:38:09,919 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:38:09,922 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:38:09,923 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:38:09" (1/1) ... [2024-12-06 00:38:09,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8be1f95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:09, skipping insertion in model container [2024-12-06 00:38:09,924 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:38:09" (1/1) ... [2024-12-06 00:38:09,939 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:38:10,046 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_499aa233-fddc-4186-8717-772963d79906/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-66.i[916,929] [2024-12-06 00:38:10,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:38:10,107 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:38:10,115 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_499aa233-fddc-4186-8717-772963d79906/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-66.i[916,929] [2024-12-06 00:38:10,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:38:10,160 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:38:10,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:10 WrapperNode [2024-12-06 00:38:10,161 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:38:10,162 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:38:10,162 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:38:10,162 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:38:10,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:10" (1/1) ... [2024-12-06 00:38:10,180 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:10" (1/1) ... [2024-12-06 00:38:10,217 INFO L138 Inliner]: procedures = 26, calls = 160, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 459 [2024-12-06 00:38:10,217 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:38:10,218 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:38:10,218 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:38:10,218 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:38:10,225 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:10" (1/1) ... [2024-12-06 00:38:10,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:10" (1/1) ... [2024-12-06 00:38:10,230 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:10" (1/1) ... [2024-12-06 00:38:10,230 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:10" (1/1) ... [2024-12-06 00:38:10,243 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:10" (1/1) ... [2024-12-06 00:38:10,245 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:10" (1/1) ... [2024-12-06 00:38:10,249 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:10" (1/1) ... [2024-12-06 00:38:10,251 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:10" (1/1) ... [2024-12-06 00:38:10,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:10" (1/1) ... [2024-12-06 00:38:10,257 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:38:10,258 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:38:10,258 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:38:10,258 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:38:10,259 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:38:10" (1/1) ... [2024-12-06 00:38:10,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:38:10,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499aa233-fddc-4186-8717-772963d79906/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:38:10,289 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499aa233-fddc-4186-8717-772963d79906/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:38:10,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499aa233-fddc-4186-8717-772963d79906/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:38:10,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:38:10,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 00:38:10,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 00:38:10,322 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:38:10,322 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:38:10,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:38:10,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:38:10,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:38:10,424 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:38:10,426 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:38:10,831 INFO L? ?]: Removed 107 outVars from TransFormulas that were not future-live. [2024-12-06 00:38:10,831 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:38:11,340 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:38:11,341 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:38:11,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:38:11 BoogieIcfgContainer [2024-12-06 00:38:11,341 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:38:11,342 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:38:11,342 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:38:11,351 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:38:11,351 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:38:11" (1/1) ... [2024-12-06 00:38:11,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:38:11,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:38:11,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 37 states and 51 transitions. [2024-12-06 00:38:11,409 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2024-12-06 00:38:11,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-06 00:38:11,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:38:11,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:38:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:40:37,837 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-12-06 00:40:48,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:40:51,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.27s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:41:01,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:41:05,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:41:05,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:41:05,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 66 states and 116 transitions. [2024-12-06 00:41:05,917 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 116 transitions. [2024-12-06 00:41:05,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-06 00:41:05,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:41:05,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:41:11,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:44:41,373 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 26 proven. 23 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-12-06 00:45:01,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:45:01,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 72 states and 134 transitions. [2024-12-06 00:45:01,686 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 134 transitions. [2024-12-06 00:45:01,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-06 00:45:01,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:45:01,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:45:04,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:46:26,592 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 26 proven. 23 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-12-06 00:47:01,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:47:01,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 78 states and 152 transitions. [2024-12-06 00:47:01,522 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 152 transitions. [2024-12-06 00:47:01,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-06 00:47:01,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:47:01,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:47:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:48:28,633 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 12 proven. 28 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2024-12-06 00:48:50,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:48:50,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 80 states and 158 transitions. [2024-12-06 00:48:50,672 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 158 transitions. [2024-12-06 00:48:50,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-12-06 00:48:50,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:48:50,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:48:54,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:49:46,350 WARN L286 SmtUtils]: Spent 7.97s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:49:57,027 WARN L286 SmtUtils]: Spent 6.38s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:50:14,467 WARN L286 SmtUtils]: Spent 5.74s on a formula simplification. DAG size of input: 4 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:50:28,402 WARN L286 SmtUtils]: Spent 10.72s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:50:48,775 WARN L286 SmtUtils]: Spent 18.14s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:50:59,648 WARN L286 SmtUtils]: Spent 5.34s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:51:09,151 WARN L286 SmtUtils]: Spent 9.50s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:51:37,370 WARN L286 SmtUtils]: Spent 8.89s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:51:56,050 WARN L286 SmtUtils]: Spent 12.27s on a formula simplification that was a NOOP. DAG size: 38 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:52:02,152 WARN L286 SmtUtils]: Spent 6.10s on a formula simplification. DAG size of input: 38 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:52:23,590 WARN L286 SmtUtils]: Spent 15.28s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:52:36,590 WARN L286 SmtUtils]: Spent 12.05s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)