./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.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_0d7a0186-af0e-437d-ab65-366d9cc41df4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d7a0186-af0e-437d-ab65-366d9cc41df4/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_0d7a0186-af0e-437d-ab65-366d9cc41df4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d7a0186-af0e-437d-ab65-366d9cc41df4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d7a0186-af0e-437d-ab65-366d9cc41df4/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_0d7a0186-af0e-437d-ab65-366d9cc41df4/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 5e99154d55f7fd098c0e840b496605adea5c7214bf70234e7c54dceeadfa306b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:17:40,963 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:17:41,019 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d7a0186-af0e-437d-ab65-366d9cc41df4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 06:17:41,023 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:17:41,023 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:17:41,041 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:17:41,042 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:17:41,042 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:17:41,042 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:17:41,042 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:17:41,042 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:17:41,043 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:17:41,043 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:17:41,043 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:17:41,043 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:17:41,043 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:17:41,043 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:17:41,043 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:17:41,043 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:17:41,043 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:17:41,043 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:17:41,044 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:17:41,044 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:17:41,044 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:17:41,044 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:17:41,044 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:17:41,044 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:17:41,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:17:41,044 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:17:41,045 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:17:41,045 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:17:41,045 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:17:41,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:17:41,045 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_0d7a0186-af0e-437d-ab65-366d9cc41df4/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 -> 5e99154d55f7fd098c0e840b496605adea5c7214bf70234e7c54dceeadfa306b [2024-12-06 06:17:41,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:17:41,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:17:41,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:17:41,261 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:17:41,261 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:17:41,263 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d7a0186-af0e-437d-ab65-366d9cc41df4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c [2024-12-06 06:17:43,863 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d7a0186-af0e-437d-ab65-366d9cc41df4/bin/ukojak-verify-CZk0znPC7b/data/93b398aea/2313cf6192214b7ea31e7bb3f01968b9/FLAG4ccb307f4 [2024-12-06 06:17:44,087 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:17:44,088 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d7a0186-af0e-437d-ab65-366d9cc41df4/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c [2024-12-06 06:17:44,096 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d7a0186-af0e-437d-ab65-366d9cc41df4/bin/ukojak-verify-CZk0znPC7b/data/93b398aea/2313cf6192214b7ea31e7bb3f01968b9/FLAG4ccb307f4 [2024-12-06 06:17:44,108 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d7a0186-af0e-437d-ab65-366d9cc41df4/bin/ukojak-verify-CZk0znPC7b/data/93b398aea/2313cf6192214b7ea31e7bb3f01968b9 [2024-12-06 06:17:44,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:17:44,111 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:17:44,113 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:17:44,113 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:17:44,116 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:17:44,117 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:17:44" (1/1) ... [2024-12-06 06:17:44,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aad5fd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:17:44, skipping insertion in model container [2024-12-06 06:17:44,117 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:17:44" (1/1) ... [2024-12-06 06:17:44,137 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:17:44,310 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_0d7a0186-af0e-437d-ab65-366d9cc41df4/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c[12751,12764] [2024-12-06 06:17:44,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:17:44,322 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:17:44,369 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_0d7a0186-af0e-437d-ab65-366d9cc41df4/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.5.ufo.BOUNDED-10.pals.c[12751,12764] [2024-12-06 06:17:44,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:17:44,383 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:17:44,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:17:44 WrapperNode [2024-12-06 06:17:44,384 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:17:44,385 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:17:44,385 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:17:44,385 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:17:44,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:17:44" (1/1) ... [2024-12-06 06:17:44,398 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:17:44" (1/1) ... [2024-12-06 06:17:44,426 INFO L138 Inliner]: procedures = 24, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 384 [2024-12-06 06:17:44,426 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:17:44,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:17:44,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:17:44,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:17:44,434 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:17:44" (1/1) ... [2024-12-06 06:17:44,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:17:44" (1/1) ... [2024-12-06 06:17:44,437 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:17:44" (1/1) ... [2024-12-06 06:17:44,437 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:17:44" (1/1) ... [2024-12-06 06:17:44,446 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:17:44" (1/1) ... [2024-12-06 06:17:44,448 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:17:44" (1/1) ... [2024-12-06 06:17:44,454 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:17:44" (1/1) ... [2024-12-06 06:17:44,456 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:17:44" (1/1) ... [2024-12-06 06:17:44,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:17:44" (1/1) ... [2024-12-06 06:17:44,461 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:17:44,462 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:17:44,462 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:17:44,462 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:17:44,463 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:17:44" (1/1) ... [2024-12-06 06:17:44,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:17:44,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d7a0186-af0e-437d-ab65-366d9cc41df4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:17:44,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d7a0186-af0e-437d-ab65-366d9cc41df4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:17:44,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d7a0186-af0e-437d-ab65-366d9cc41df4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:17:44,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:17:44,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 06:17:44,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:17:44,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:17:44,591 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:17:44,592 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:17:45,000 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-12-06 06:17:45,000 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:17:45,494 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:17:45,494 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 06:17:45,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:17:45 BoogieIcfgContainer [2024-12-06 06:17:45,495 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:17:45,495 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:17:45,495 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:17:45,504 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:17:45,505 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:17:45" (1/1) ... [2024-12-06 06:17:45,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:17:45,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:17:45,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 06:17:45,556 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 06:17:45,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 06:17:45,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:17:45,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:17:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:17:47,143 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 06:17:47,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:17:47,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2024-12-06 06:17:47,235 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2024-12-06 06:17:47,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 06:17:47,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:17:47,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:17:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:17:53,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:17:54,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:17:54,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 13 states and 22 transitions. [2024-12-06 06:17:54,595 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 22 transitions. [2024-12-06 06:17:54,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 06:17:54,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:17:54,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:17:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:17:56,666 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:17:58,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:17:58,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 19 states and 36 transitions. [2024-12-06 06:17:58,882 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 36 transitions. [2024-12-06 06:17:58,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 06:17:58,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:17:58,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:17:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:18:32,009 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:18:56,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:18:56,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 29 states and 71 transitions. [2024-12-06 06:18:56,827 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 71 transitions. [2024-12-06 06:18:56,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 06:18:56,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:18:56,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:18:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:20:16,328 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:20:23,591 WARN L286 SmtUtils]: Spent 5.31s on a formula simplification. DAG size of input: 548 DAG size of output: 464 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 06:20:30,741 WARN L286 SmtUtils]: Spent 5.53s on a formula simplification. DAG size of input: 550 DAG size of output: 476 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 06:20:40,589 WARN L286 SmtUtils]: Spent 5.24s on a formula simplification. DAG size of input: 544 DAG size of output: 460 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 06:20:46,367 WARN L286 SmtUtils]: Spent 5.63s on a formula simplification. DAG size of input: 546 DAG size of output: 472 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 06:21:32,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:21:32,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 39 states and 108 transitions. [2024-12-06 06:21:32,917 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 108 transitions. [2024-12-06 06:21:32,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 06:21:32,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:21:32,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:21:33,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:21:36,841 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:21:50,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:21:50,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 45 states and 133 transitions. [2024-12-06 06:21:50,956 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 133 transitions. [2024-12-06 06:21:50,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 06:21:50,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:21:50,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:21:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:21:55,249 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 18 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-06 06:22:05,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:22:05,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 48 states and 148 transitions. [2024-12-06 06:22:05,758 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 148 transitions. [2024-12-06 06:22:05,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 06:22:05,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:22:05,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:22:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:29:06,882 WARN L286 SmtUtils]: Spent 5.25s on a formula simplification. DAG size of input: 600 DAG size of output: 585 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)