./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.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_82728fbd-0736-4451-aa35-d53e4365717c/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82728fbd-0736-4451-aa35-d53e4365717c/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_82728fbd-0736-4451-aa35-d53e4365717c/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82728fbd-0736-4451-aa35-d53e4365717c/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82728fbd-0736-4451-aa35-d53e4365717c/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_82728fbd-0736-4451-aa35-d53e4365717c/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 c5be25d34b5f565c0e61b447a9da3cd9d228084b5ddd898e062981f46972caa8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:26:56,835 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:26:56,891 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82728fbd-0736-4451-aa35-d53e4365717c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 21:26:56,896 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:26:56,896 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:26:56,914 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:26:56,915 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:26:56,915 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:26:56,915 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:26:56,915 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:26:56,915 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:26:56,915 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:26:56,916 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:26:56,916 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:26:56,916 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:26:56,916 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:26:56,916 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:26:56,916 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:26:56,916 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:26:56,916 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:26:56,916 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:26:56,916 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:26:56,916 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:26:56,917 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:26:56,917 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:26:56,917 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:26:56,917 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:26:56,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:26:56,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:26:56,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:26:56,917 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:26:56,917 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:26:56,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:26:56,917 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_82728fbd-0736-4451-aa35-d53e4365717c/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 -> c5be25d34b5f565c0e61b447a9da3cd9d228084b5ddd898e062981f46972caa8 [2024-12-05 21:26:57,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:26:57,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:26:57,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:26:57,174 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:26:57,175 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:26:57,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82728fbd-0736-4451-aa35-d53e4365717c/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c [2024-12-05 21:26:59,822 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82728fbd-0736-4451-aa35-d53e4365717c/bin/ukojak-verify-CZk0znPC7b/data/ddca8a387/2b008e70f4284317b39c2bc9a22bb5c0/FLAG142137b14 [2024-12-05 21:27:00,045 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:27:00,046 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82728fbd-0736-4451-aa35-d53e4365717c/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c [2024-12-05 21:27:00,054 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82728fbd-0736-4451-aa35-d53e4365717c/bin/ukojak-verify-CZk0znPC7b/data/ddca8a387/2b008e70f4284317b39c2bc9a22bb5c0/FLAG142137b14 [2024-12-05 21:27:00,066 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82728fbd-0736-4451-aa35-d53e4365717c/bin/ukojak-verify-CZk0znPC7b/data/ddca8a387/2b008e70f4284317b39c2bc9a22bb5c0 [2024-12-05 21:27:00,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:27:00,069 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:27:00,069 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:27:00,070 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:27:00,073 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:27:00,073 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:27:00" (1/1) ... [2024-12-05 21:27:00,074 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e0aa44f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:00, skipping insertion in model container [2024-12-05 21:27:00,075 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:27:00" (1/1) ... [2024-12-05 21:27:00,094 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:27:00,256 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_82728fbd-0736-4451-aa35-d53e4365717c/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c[9280,9293] [2024-12-05 21:27:00,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:27:00,269 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:27:00,312 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_82728fbd-0736-4451-aa35-d53e4365717c/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c[9280,9293] [2024-12-05 21:27:00,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:27:00,325 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:27:00,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:00 WrapperNode [2024-12-05 21:27:00,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:27:00,326 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:27:00,327 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:27:00,327 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:27:00,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:00" (1/1) ... [2024-12-05 21:27:00,339 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:00" (1/1) ... [2024-12-05 21:27:00,365 INFO L138 Inliner]: procedures = 22, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 312 [2024-12-05 21:27:00,365 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:27:00,366 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:27:00,366 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:27:00,366 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:27:00,373 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:00" (1/1) ... [2024-12-05 21:27:00,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:00" (1/1) ... [2024-12-05 21:27:00,376 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:00" (1/1) ... [2024-12-05 21:27:00,376 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:00" (1/1) ... [2024-12-05 21:27:00,383 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:00" (1/1) ... [2024-12-05 21:27:00,384 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:00" (1/1) ... [2024-12-05 21:27:00,389 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:00" (1/1) ... [2024-12-05 21:27:00,391 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:00" (1/1) ... [2024-12-05 21:27:00,393 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:00" (1/1) ... [2024-12-05 21:27:00,395 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:27:00,396 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:27:00,396 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:27:00,396 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:27:00,397 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:00" (1/1) ... [2024-12-05 21:27:00,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:27:00,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82728fbd-0736-4451-aa35-d53e4365717c/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:27:00,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82728fbd-0736-4451-aa35-d53e4365717c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:27:00,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82728fbd-0736-4451-aa35-d53e4365717c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:27:00,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:27:00,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:27:00,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:27:00,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:27:00,530 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:27:00,532 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:27:00,873 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-12-05 21:27:00,873 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:27:01,177 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:27:01,177 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:27:01,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:27:01 BoogieIcfgContainer [2024-12-05 21:27:01,177 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:27:01,178 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:27:01,178 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:27:01,186 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:27:01,186 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:27:01" (1/1) ... [2024-12-05 21:27:01,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:27:01,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:01,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 21:27:01,240 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 21:27:01,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:27:01,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:01,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:02,602 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 21:27:02,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:02,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2024-12-05 21:27:02,713 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2024-12-05 21:27:02,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 21:27:02,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:02,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:06,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:27:07,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:07,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 13 states and 22 transitions. [2024-12-05 21:27:07,627 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 22 transitions. [2024-12-05 21:27:07,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 21:27:07,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:07,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:09,540 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:27:11,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:27:11,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 19 states and 38 transitions. [2024-12-05 21:27:11,512 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 38 transitions. [2024-12-05 21:27:11,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 21:27:11,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:27:11,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:27:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:27:53,773 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:28:22,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:28:22,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 28 states and 67 transitions. [2024-12-05 21:28:22,088 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 67 transitions. [2024-12-05 21:28:22,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 21:28:22,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:28:22,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:28:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:28:58,986 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:29:59,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:29:59,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 38 states and 104 transitions. [2024-12-05 21:29:59,279 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 104 transitions. [2024-12-05 21:29:59,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 21:29:59,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:29:59,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:29:59,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:30:02,461 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:30:17,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:30:17,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 43 states and 129 transitions. [2024-12-05 21:30:17,799 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 129 transitions. [2024-12-05 21:30:17,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 21:30:17,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:30:17,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:30:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:30:20,776 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:30:39,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:30:39,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 49 states and 155 transitions. [2024-12-05 21:30:39,973 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 155 transitions. [2024-12-05 21:30:39,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 21:30:39,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:30:39,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:30:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:42,923 WARN L286 SmtUtils]: Spent 5.94s on a formula simplification. DAG size of input: 532 DAG size of output: 520 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:38:49,514 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:39:00,465 WARN L286 SmtUtils]: Spent 8.86s on a formula simplification. DAG size of input: 722 DAG size of output: 492 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:39:14,277 WARN L286 SmtUtils]: Spent 11.04s on a formula simplification. DAG size of input: 724 DAG size of output: 562 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:39:30,187 WARN L286 SmtUtils]: Spent 8.87s on a formula simplification. DAG size of input: 718 DAG size of output: 488 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:39:41,302 WARN L286 SmtUtils]: Spent 10.80s on a formula simplification. DAG size of input: 720 DAG size of output: 558 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:40:00,602 WARN L286 SmtUtils]: Spent 12.47s on a formula simplification. DAG size of input: 808 DAG size of output: 655 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:40:18,028 WARN L286 SmtUtils]: Spent 13.64s on a formula simplification. DAG size of input: 810 DAG size of output: 749 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:40:25,984 WARN L286 SmtUtils]: Spent 6.69s on a formula simplification. DAG size of input: 656 DAG size of output: 651 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:40:45,288 WARN L286 SmtUtils]: Spent 12.49s on a formula simplification. DAG size of input: 804 DAG size of output: 651 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:40:58,994 WARN L286 SmtUtils]: Spent 13.37s on a formula simplification. DAG size of input: 806 DAG size of output: 745 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:41:06,338 WARN L286 SmtUtils]: Spent 6.18s on a formula simplification. DAG size of input: 652 DAG size of output: 647 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:41:24,061 WARN L286 SmtUtils]: Spent 12.09s on a formula simplification. DAG size of input: 694 DAG size of output: 577 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-05 21:41:33,931 WARN L286 SmtUtils]: Spent 9.55s on a formula simplification. DAG size of input: 696 DAG size of output: 637 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)