./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.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_4410b323-a5e7-498a-ad39-eefe4f00023d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4410b323-a5e7-498a-ad39-eefe4f00023d/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_4410b323-a5e7-498a-ad39-eefe4f00023d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4410b323-a5e7-498a-ad39-eefe4f00023d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4410b323-a5e7-498a-ad39-eefe4f00023d/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_4410b323-a5e7-498a-ad39-eefe4f00023d/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 d52f31574095462f7bebf0d97516364dd650b64428a7b12e3aa21d1b47f96325 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:03:27,144 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:03:27,205 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4410b323-a5e7-498a-ad39-eefe4f00023d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:03:27,209 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:03:27,210 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:03:27,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:03:27,231 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:03:27,231 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:03:27,232 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:03:27,232 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:03:27,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:03:27,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:03:27,232 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:03:27,232 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:03:27,232 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:03:27,232 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:03:27,232 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:03:27,232 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:03:27,232 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:03:27,233 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:03:27,233 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:03:27,233 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:03:27,233 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:03:27,233 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:03:27,233 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:03:27,233 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:03:27,233 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:03:27,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:03:27,233 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:03:27,233 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:03:27,234 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:03:27,234 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:03:27,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:03:27,234 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_4410b323-a5e7-498a-ad39-eefe4f00023d/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 -> d52f31574095462f7bebf0d97516364dd650b64428a7b12e3aa21d1b47f96325 [2024-12-05 22:03:27,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:03:27,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:03:27,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:03:27,505 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:03:27,506 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:03:27,507 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4410b323-a5e7-498a-ad39-eefe4f00023d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.UNBOUNDED.pals.c [2024-12-05 22:03:30,151 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4410b323-a5e7-498a-ad39-eefe4f00023d/bin/ukojak-verify-CZk0znPC7b/data/8f9c59a41/f769b372d4ea49e6b0fe42de037a4642/FLAGa9aa26696 [2024-12-05 22:03:30,356 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:03:30,356 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4410b323-a5e7-498a-ad39-eefe4f00023d/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.UNBOUNDED.pals.c [2024-12-05 22:03:30,364 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4410b323-a5e7-498a-ad39-eefe4f00023d/bin/ukojak-verify-CZk0znPC7b/data/8f9c59a41/f769b372d4ea49e6b0fe42de037a4642/FLAGa9aa26696 [2024-12-05 22:03:30,377 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4410b323-a5e7-498a-ad39-eefe4f00023d/bin/ukojak-verify-CZk0znPC7b/data/8f9c59a41/f769b372d4ea49e6b0fe42de037a4642 [2024-12-05 22:03:30,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:03:30,380 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:03:30,381 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:03:30,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:03:30,384 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:03:30,385 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:03:30" (1/1) ... [2024-12-05 22:03:30,386 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15056c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:30, skipping insertion in model container [2024-12-05 22:03:30,386 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:03:30" (1/1) ... [2024-12-05 22:03:30,410 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:03:30,625 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_4410b323-a5e7-498a-ad39-eefe4f00023d/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.UNBOUNDED.pals.c[20084,20097] [2024-12-05 22:03:30,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:03:30,640 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:03:30,691 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_4410b323-a5e7-498a-ad39-eefe4f00023d/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.UNBOUNDED.pals.c[20084,20097] [2024-12-05 22:03:30,692 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:03:30,708 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:03:30,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:30 WrapperNode [2024-12-05 22:03:30,709 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:03:30,710 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:03:30,710 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:03:30,710 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:03:30,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:30" (1/1) ... [2024-12-05 22:03:30,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:30" (1/1) ... [2024-12-05 22:03:30,753 INFO L138 Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 458 [2024-12-05 22:03:30,754 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:03:30,754 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:03:30,754 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:03:30,754 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:03:30,762 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:30" (1/1) ... [2024-12-05 22:03:30,762 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:30" (1/1) ... [2024-12-05 22:03:30,765 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:30" (1/1) ... [2024-12-05 22:03:30,765 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:30" (1/1) ... [2024-12-05 22:03:30,771 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:30" (1/1) ... [2024-12-05 22:03:30,772 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:30" (1/1) ... [2024-12-05 22:03:30,778 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:30" (1/1) ... [2024-12-05 22:03:30,780 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:30" (1/1) ... [2024-12-05 22:03:30,782 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:30" (1/1) ... [2024-12-05 22:03:30,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:03:30,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:03:30,787 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:03:30,787 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:03:30,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:03:30" (1/1) ... [2024-12-05 22:03:30,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:03:30,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4410b323-a5e7-498a-ad39-eefe4f00023d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:03:30,818 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4410b323-a5e7-498a-ad39-eefe4f00023d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:03:30,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4410b323-a5e7-498a-ad39-eefe4f00023d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:03:30,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:03:30,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:03:30,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:03:30,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:03:30,931 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:03:30,933 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:03:31,366 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-12-05 22:03:31,366 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:03:31,938 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:03:31,938 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 22:03:31,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:03:31 BoogieIcfgContainer [2024-12-05 22:03:31,938 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:03:31,939 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:03:31,939 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:03:31,948 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:03:31,949 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:03:31" (1/1) ... [2024-12-05 22:03:31,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:03:31,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:03:32,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-12-05 22:03:32,005 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-12-05 22:03:32,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:03:32,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:03:32,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:03:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:03:34,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:03:34,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:03:34,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-12-05 22:03:34,291 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-12-05 22:03:34,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:03:34,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:03:34,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:03:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:03:34,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:03:35,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:03:35,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2024-12-05 22:03:35,033 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2024-12-05 22:03:35,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:03:35,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:03:35,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:03:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:03:36,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:03:36,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:03:36,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-12-05 22:03:36,838 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-12-05 22:03:36,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:03:36,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:03:36,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:03:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:03:37,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:03:37,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:03:37,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2024-12-05 22:03:37,390 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2024-12-05 22:03:37,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:03:37,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:03:37,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:03:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:03:44,678 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:03:50,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:03:50,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2024-12-05 22:03:50,113 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2024-12-05 22:03:50,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 22:03:50,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:03:50,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:03:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:03:50,769 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:03:54,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:03:54,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2024-12-05 22:03:54,181 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2024-12-05 22:03:54,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 22:03:54,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:03:54,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:03:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:04:00,001 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:04:06,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:04:06,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 50 states and 83 transitions. [2024-12-05 22:04:06,518 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2024-12-05 22:04:06,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 22:04:06,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:04:06,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:04:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:04:12,251 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:04:20,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:04:20,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 61 states and 106 transitions. [2024-12-05 22:04:20,049 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 106 transitions. [2024-12-05 22:04:20,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 22:04:20,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:04:20,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:04:20,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:04:22,331 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:04:32,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:04:32,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 77 states and 147 transitions. [2024-12-05 22:04:32,400 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 147 transitions. [2024-12-05 22:04:32,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 22:04:32,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:04:32,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:04:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:04:34,741 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:04:43,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:04:43,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 87 states and 173 transitions. [2024-12-05 22:04:43,175 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 173 transitions. [2024-12-05 22:04:43,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 22:04:43,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:04:43,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:04:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:04:43,925 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:04:46,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:04:46,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 93 states and 185 transitions. [2024-12-05 22:04:46,906 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 185 transitions. [2024-12-05 22:04:46,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 22:04:46,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:04:46,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:04:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:04:49,495 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:04:54,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:04:54,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 103 states and 210 transitions. [2024-12-05 22:04:54,602 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 210 transitions. [2024-12-05 22:04:54,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 22:04:54,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:04:54,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:04:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:04:55,652 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:04:59,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:04:59,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 109 states and 222 transitions. [2024-12-05 22:04:59,546 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 222 transitions. [2024-12-05 22:04:59,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 22:04:59,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:04:59,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:05:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:07:45,440 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:09:27,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:09:27,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 134 states and 286 transitions. [2024-12-05 22:09:27,033 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 286 transitions. [2024-12-05 22:09:27,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 22:09:27,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:09:27,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:09:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:10:02,607 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:12:25,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:12:25,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 159 states and 356 transitions. [2024-12-05 22:12:25,261 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 356 transitions. [2024-12-05 22:12:25,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-05 22:12:25,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:12:25,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:12:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:11,780 WARN L286 SmtUtils]: Spent 6.40s on a formula simplification. DAG size of input: 638 DAG size of output: 631 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)