./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.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_06bde7a2-f8d9-4132-bc93-871a9e04138f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06bde7a2-f8d9-4132-bc93-871a9e04138f/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_06bde7a2-f8d9-4132-bc93-871a9e04138f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06bde7a2-f8d9-4132-bc93-871a9e04138f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06bde7a2-f8d9-4132-bc93-871a9e04138f/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_06bde7a2-f8d9-4132-bc93-871a9e04138f/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 71881827e42af7e93d8d7789f21cf70c42c80b5b7128690239afcf02ba9daf37 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:49:50,992 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:49:51,048 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06bde7a2-f8d9-4132-bc93-871a9e04138f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:49:51,053 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:49:51,053 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:49:51,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:49:51,073 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:49:51,073 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:49:51,074 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:49:51,074 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:49:51,074 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:49:51,074 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:49:51,074 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:49:51,074 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:49:51,074 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:49:51,075 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:49:51,075 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:49:51,075 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:49:51,075 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:49:51,075 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:49:51,075 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:49:51,075 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:49:51,075 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:49:51,075 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:49:51,075 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:49:51,075 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:49:51,076 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:49:51,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:49:51,076 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:49:51,076 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:49:51,076 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:49:51,076 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:49:51,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:49:51,076 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_06bde7a2-f8d9-4132-bc93-871a9e04138f/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 -> 71881827e42af7e93d8d7789f21cf70c42c80b5b7128690239afcf02ba9daf37 [2024-12-06 05:49:51,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:49:51,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:49:51,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:49:51,353 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:49:51,353 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:49:51,354 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06bde7a2-f8d9-4132-bc93-871a9e04138f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.UNBOUNDED.pals.c [2024-12-06 05:49:54,032 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06bde7a2-f8d9-4132-bc93-871a9e04138f/bin/ukojak-verify-CZk0znPC7b/data/a3ee2e39b/3a258fe69ea94825992da5a4aab5945c/FLAGa6f25cf4a [2024-12-06 05:49:54,230 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:49:54,230 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06bde7a2-f8d9-4132-bc93-871a9e04138f/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.UNBOUNDED.pals.c [2024-12-06 05:49:54,239 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06bde7a2-f8d9-4132-bc93-871a9e04138f/bin/ukojak-verify-CZk0znPC7b/data/a3ee2e39b/3a258fe69ea94825992da5a4aab5945c/FLAGa6f25cf4a [2024-12-06 05:49:54,598 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06bde7a2-f8d9-4132-bc93-871a9e04138f/bin/ukojak-verify-CZk0znPC7b/data/a3ee2e39b/3a258fe69ea94825992da5a4aab5945c [2024-12-06 05:49:54,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:49:54,601 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:49:54,602 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:49:54,602 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:49:54,605 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:49:54,606 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:49:54" (1/1) ... [2024-12-06 05:49:54,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4257549c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:54, skipping insertion in model container [2024-12-06 05:49:54,607 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:49:54" (1/1) ... [2024-12-06 05:49:54,625 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:49:54,811 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_06bde7a2-f8d9-4132-bc93-871a9e04138f/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.UNBOUNDED.pals.c[15103,15116] [2024-12-06 05:49:54,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:49:54,825 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:49:54,879 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_06bde7a2-f8d9-4132-bc93-871a9e04138f/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.UNBOUNDED.pals.c[15103,15116] [2024-12-06 05:49:54,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:49:54,895 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:49:54,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:54 WrapperNode [2024-12-06 05:49:54,895 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:49:54,896 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:49:54,896 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:49:54,896 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:49:54,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:54" (1/1) ... [2024-12-06 05:49:54,911 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:54" (1/1) ... [2024-12-06 05:49:54,941 INFO L138 Inliner]: procedures = 26, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 395 [2024-12-06 05:49:54,941 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:49:54,942 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:49:54,942 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:49:54,942 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:49:54,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:54" (1/1) ... [2024-12-06 05:49:54,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:54" (1/1) ... [2024-12-06 05:49:54,953 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:54" (1/1) ... [2024-12-06 05:49:54,953 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:54" (1/1) ... [2024-12-06 05:49:54,962 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:54" (1/1) ... [2024-12-06 05:49:54,964 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:54" (1/1) ... [2024-12-06 05:49:54,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:54" (1/1) ... [2024-12-06 05:49:54,972 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:54" (1/1) ... [2024-12-06 05:49:54,974 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:54" (1/1) ... [2024-12-06 05:49:54,977 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:49:54,978 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:49:54,978 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:49:54,978 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:49:54,979 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:49:54" (1/1) ... [2024-12-06 05:49:54,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:49:54,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06bde7a2-f8d9-4132-bc93-871a9e04138f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:49:55,009 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06bde7a2-f8d9-4132-bc93-871a9e04138f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:49:55,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06bde7a2-f8d9-4132-bc93-871a9e04138f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:49:55,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:49:55,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:49:55,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:49:55,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:49:55,114 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:49:55,116 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:49:55,581 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-12-06 05:49:55,581 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:49:56,190 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:49:56,190 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 05:49:56,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:49:56 BoogieIcfgContainer [2024-12-06 05:49:56,190 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:49:56,191 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:49:56,191 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:49:56,201 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:49:56,201 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:49:56" (1/1) ... [2024-12-06 05:49:56,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:49:56,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:49:56,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-12-06 05:49:56,256 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-12-06 05:49:56,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:49:56,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:49:56,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:49:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:49:58,139 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 05:49:58,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:49:58,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-12-06 05:49:58,247 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-12-06 05:49:58,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:49:58,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:49:58,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:49:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:49:59,248 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 05:49:59,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:49:59,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2024-12-06 05:49:59,652 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2024-12-06 05:49:59,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:49:59,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:49:59,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:49:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:50:00,053 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 05:50:00,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:50:00,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2024-12-06 05:50:00,548 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2024-12-06 05:50:00,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 05:50:00,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:50:00,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:50:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:50:00,811 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 05:50:01,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:50:01,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2024-12-06 05:50:01,118 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2024-12-06 05:50:01,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 05:50:01,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:50:01,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:50:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:50:06,655 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 05:50:11,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:50:11,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2024-12-06 05:50:11,469 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2024-12-06 05:50:11,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 05:50:11,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:50:11,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:50:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:50:16,271 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 05:50:23,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:50:23,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2024-12-06 05:50:23,819 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2024-12-06 05:50:23,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 05:50:23,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:50:23,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:50:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:50:24,343 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 05:50:28,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:50:28,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 50 states and 87 transitions. [2024-12-06 05:50:28,601 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 87 transitions. [2024-12-06 05:50:28,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 05:50:28,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:50:28,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:50:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:50:30,380 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 05:50:38,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:50:38,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 62 states and 118 transitions. [2024-12-06 05:50:38,317 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 118 transitions. [2024-12-06 05:50:38,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 05:50:38,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:50:38,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:50:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:50:39,121 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 05:50:41,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:50:41,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 68 states and 129 transitions. [2024-12-06 05:50:41,436 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 129 transitions. [2024-12-06 05:50:41,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 05:50:41,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:50:41,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:50:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:50:43,289 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 05:50:49,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:50:49,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 78 states and 147 transitions. [2024-12-06 05:50:49,983 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 147 transitions. [2024-12-06 05:50:49,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 05:50:49,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:50:49,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:50:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:50:51,797 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 05:50:59,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:50:59,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 89 states and 171 transitions. [2024-12-06 05:50:59,516 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 171 transitions. [2024-12-06 05:50:59,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 05:50:59,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:50:59,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:50:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:51:00,022 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 05:51:01,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:51:01,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 91 states and 176 transitions. [2024-12-06 05:51:01,192 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 176 transitions. [2024-12-06 05:51:01,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 05:51:01,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:51:01,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:51:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:51:03,138 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 05:51:04,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:51:04,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 93 states and 181 transitions. [2024-12-06 05:51:04,991 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 181 transitions. [2024-12-06 05:51:04,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 05:51:04,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:51:04,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:51:05,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:51:45,147 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 05:53:22,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:53:22,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 119 states and 248 transitions. [2024-12-06 05:53:22,143 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 248 transitions. [2024-12-06 05:53:22,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 05:53:22,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:53:22,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:53:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:54:05,049 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 05:54:56,936 WARN L286 SmtUtils]: Spent 5.45s on a formula simplification. DAG size of input: 520 DAG size of output: 448 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:55:15,823 WARN L286 SmtUtils]: Spent 6.38s on a formula simplification. DAG size of input: 525 DAG size of output: 465 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:56:51,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:56:51,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 145 states and 316 transitions. [2024-12-06 05:56:51,908 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 316 transitions. [2024-12-06 05:56:51,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 05:56:51,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:56:51,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:56:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat