./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.UNBOUNDED.pals.c --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_45b5b7a7-d7ab-487f-b820-8aa2d90dd545/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b5b7a7-d7ab-487f-b820-8aa2d90dd545/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_45b5b7a7-d7ab-487f-b820-8aa2d90dd545/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b5b7a7-d7ab-487f-b820-8aa2d90dd545/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b5b7a7-d7ab-487f-b820-8aa2d90dd545/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_45b5b7a7-d7ab-487f-b820-8aa2d90dd545/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 acd9e872db1fd43c4a46d62b416714fdbb0fdc4944c5c8838fbbff5e8b72009f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:15:43,736 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:15:43,793 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b5b7a7-d7ab-487f-b820-8aa2d90dd545/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:15:43,798 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:15:43,798 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:15:43,819 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:15:43,820 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:15:43,820 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:15:43,821 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:15:43,821 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:15:43,821 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:15:43,821 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:15:43,821 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:15:43,821 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:15:43,821 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:15:43,821 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:15:43,821 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:15:43,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:15:43,822 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:15:43,822 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:15:43,822 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:15:43,822 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:15:43,822 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:15:43,822 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:15:43,822 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:15:43,822 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:15:43,822 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:15:43,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:15:43,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:15:43,823 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:15:43,823 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:15:43,823 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:15:43,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:15:43,823 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_45b5b7a7-d7ab-487f-b820-8aa2d90dd545/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 -> acd9e872db1fd43c4a46d62b416714fdbb0fdc4944c5c8838fbbff5e8b72009f [2024-12-06 00:15:44,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:15:44,067 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:15:44,069 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:15:44,071 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:15:44,071 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:15:44,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b5b7a7-d7ab-487f-b820-8aa2d90dd545/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.UNBOUNDED.pals.c [2024-12-06 00:15:46,767 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b5b7a7-d7ab-487f-b820-8aa2d90dd545/bin/ukojak-verify-CZk0znPC7b/data/f53177bca/5871e752bf22499b8d6a1638af1264bc/FLAGbbeebc3df [2024-12-06 00:15:46,997 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:15:46,998 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b5b7a7-d7ab-487f-b820-8aa2d90dd545/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.UNBOUNDED.pals.c [2024-12-06 00:15:47,005 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b5b7a7-d7ab-487f-b820-8aa2d90dd545/bin/ukojak-verify-CZk0znPC7b/data/f53177bca/5871e752bf22499b8d6a1638af1264bc/FLAGbbeebc3df [2024-12-06 00:15:47,351 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b5b7a7-d7ab-487f-b820-8aa2d90dd545/bin/ukojak-verify-CZk0znPC7b/data/f53177bca/5871e752bf22499b8d6a1638af1264bc [2024-12-06 00:15:47,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:15:47,354 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:15:47,355 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:15:47,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:15:47,358 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:15:47,359 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:15:47" (1/1) ... [2024-12-06 00:15:47,360 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78741a4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:47, skipping insertion in model container [2024-12-06 00:15:47,360 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:15:47" (1/1) ... [2024-12-06 00:15:47,381 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:15:47,567 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_45b5b7a7-d7ab-487f-b820-8aa2d90dd545/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.UNBOUNDED.pals.c[11261,11274] [2024-12-06 00:15:47,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:15:47,576 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:15:47,616 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_45b5b7a7-d7ab-487f-b820-8aa2d90dd545/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.UNBOUNDED.pals.c[11261,11274] [2024-12-06 00:15:47,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:15:47,630 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:15:47,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:47 WrapperNode [2024-12-06 00:15:47,631 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:15:47,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:15:47,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:15:47,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:15:47,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:47" (1/1) ... [2024-12-06 00:15:47,644 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:47" (1/1) ... [2024-12-06 00:15:47,668 INFO L138 Inliner]: procedures = 25, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 335 [2024-12-06 00:15:47,669 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:15:47,669 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:15:47,669 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:15:47,669 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:15:47,677 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:47" (1/1) ... [2024-12-06 00:15:47,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:47" (1/1) ... [2024-12-06 00:15:47,680 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:47" (1/1) ... [2024-12-06 00:15:47,681 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:47" (1/1) ... [2024-12-06 00:15:47,687 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:47" (1/1) ... [2024-12-06 00:15:47,688 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:47" (1/1) ... [2024-12-06 00:15:47,693 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:47" (1/1) ... [2024-12-06 00:15:47,695 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:47" (1/1) ... [2024-12-06 00:15:47,696 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:47" (1/1) ... [2024-12-06 00:15:47,699 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:15:47,700 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:15:47,700 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:15:47,700 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:15:47,701 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:15:47" (1/1) ... [2024-12-06 00:15:47,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:15:47,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b5b7a7-d7ab-487f-b820-8aa2d90dd545/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:15:47,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b5b7a7-d7ab-487f-b820-8aa2d90dd545/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:15:47,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45b5b7a7-d7ab-487f-b820-8aa2d90dd545/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:15:47,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:15:47,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:15:47,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:15:47,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:15:47,831 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:15:47,833 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:15:48,171 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2024-12-06 00:15:48,171 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:15:48,599 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:15:48,600 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:15:48,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:15:48 BoogieIcfgContainer [2024-12-06 00:15:48,600 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:15:48,601 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:15:48,601 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:15:48,610 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:15:48,610 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:15:48" (1/1) ... [2024-12-06 00:15:48,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:15:48,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:48,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-12-06 00:15:48,666 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-12-06 00:15:48,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 00:15:48,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:48,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:15:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:50,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:15:50,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:50,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-12-06 00:15:50,227 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-12-06 00:15:50,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:15:50,227 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:50,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:15:50,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:51,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:15:51,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:51,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2024-12-06 00:15:51,284 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2024-12-06 00:15:51,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:15:51,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:51,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:15:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:51,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:15:51,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:51,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-12-06 00:15:51,861 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-12-06 00:15:51,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:15:51,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:51,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:15:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:52,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:15:52,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:52,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2024-12-06 00:15:52,342 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2024-12-06 00:15:52,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 00:15:52,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:52,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:15:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:15:56,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:15:59,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:59,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2024-12-06 00:15:59,933 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2024-12-06 00:15:59,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:15:59,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:59,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:16:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:04,647 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:16:10,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:10,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2024-12-06 00:16:10,616 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2024-12-06 00:16:10,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:16:10,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:10,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:16:10,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:11,143 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:16:14,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:14,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 50 states and 83 transitions. [2024-12-06 00:16:14,064 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2024-12-06 00:16:14,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:16:14,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:14,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:16:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:15,847 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:16:23,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:23,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 66 states and 118 transitions. [2024-12-06 00:16:23,096 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 118 transitions. [2024-12-06 00:16:23,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 00:16:23,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:23,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:16:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:24,836 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:16:28,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:28,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 71 states and 128 transitions. [2024-12-06 00:16:28,638 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 128 transitions. [2024-12-06 00:16:28,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 00:16:28,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:28,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:16:28,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:30,256 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:16:39,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:39,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 82 states and 156 transitions. [2024-12-06 00:16:39,229 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 156 transitions. [2024-12-06 00:16:39,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 00:16:39,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:39,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:16:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:40,286 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:16:45,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:45,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 90 states and 186 transitions. [2024-12-06 00:16:45,709 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 186 transitions. [2024-12-06 00:16:45,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 00:16:45,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:45,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:16:45,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:46,473 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:16:49,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:49,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 96 states and 198 transitions. [2024-12-06 00:16:49,032 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 198 transitions. [2024-12-06 00:16:49,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 00:16:49,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:49,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:16:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:17,835 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:18:12,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:12,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 120 states and 256 transitions. [2024-12-06 00:18:12,347 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 256 transitions. [2024-12-06 00:18:12,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 00:18:12,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:12,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:18:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:35,728 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:20:19,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:19,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 145 states and 327 transitions. [2024-12-06 00:20:19,797 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 327 transitions. [2024-12-06 00:20:19,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 00:20:19,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:19,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:20:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:21,402 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:20:28,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:28,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 151 states and 335 transitions. [2024-12-06 00:20:28,550 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 335 transitions. [2024-12-06 00:20:28,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 00:20:28,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:28,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:20:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:29,637 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:20:39,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:39,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 159 states and 357 transitions. [2024-12-06 00:20:39,621 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 357 transitions. [2024-12-06 00:20:39,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 00:20:39,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:39,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:20:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:41,098 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:21:04,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:04,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 168 states and 378 transitions. [2024-12-06 00:21:04,207 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 378 transitions. [2024-12-06 00:21:04,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 00:21:04,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:04,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:21:04,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:41,896 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:23:34,777 WARN L286 SmtUtils]: Spent 5.57s on a formula simplification. DAG size of input: 536 DAG size of output: 432 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:23:56,472 WARN L286 SmtUtils]: Spent 5.53s on a formula simplification. DAG size of input: 534 DAG size of output: 430 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:24:18,990 WARN L286 SmtUtils]: Spent 5.47s on a formula simplification. DAG size of input: 523 DAG size of output: 418 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:24:36,898 WARN L286 SmtUtils]: Spent 5.17s on a formula simplification. DAG size of input: 525 DAG size of output: 420 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:25:43,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:43,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 193 states and 451 transitions. [2024-12-06 00:25:43,369 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 451 transitions. [2024-12-06 00:25:43,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 00:25:43,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:43,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:25:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:28:28,460 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:29:11,551 WARN L286 SmtUtils]: Spent 8.04s on a formula simplification. DAG size of input: 623 DAG size of output: 422 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:29:22,718 WARN L286 SmtUtils]: Spent 8.03s on a formula simplification. DAG size of input: 625 DAG size of output: 538 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:29:40,048 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification. DAG size of input: 624 DAG size of output: 420 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:29:51,502 WARN L286 SmtUtils]: Spent 8.10s on a formula simplification. DAG size of input: 626 DAG size of output: 536 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:30:06,934 WARN L286 SmtUtils]: Spent 6.35s on a formula simplification. DAG size of input: 609 DAG size of output: 428 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:30:17,654 WARN L286 SmtUtils]: Spent 7.51s on a formula simplification. DAG size of input: 611 DAG size of output: 525 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:30:34,972 WARN L286 SmtUtils]: Spent 6.45s on a formula simplification. DAG size of input: 612 DAG size of output: 435 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)