./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85aad6e5-2b54-4d9b-a4e3-758af18c0162/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85aad6e5-2b54-4d9b-a4e3-758af18c0162/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85aad6e5-2b54-4d9b-a4e3-758af18c0162/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85aad6e5-2b54-4d9b-a4e3-758af18c0162/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85aad6e5-2b54-4d9b-a4e3-758af18c0162/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85aad6e5-2b54-4d9b-a4e3-758af18c0162/bin/ukojak-verify-EEHR8qb7sm --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 252cd4a0f8e1adbe16c63dba2a525d461eb83ddbfd931d93e6b7ef83b52daaf7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:51:15,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:51:15,298 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85aad6e5-2b54-4d9b-a4e3-758af18c0162/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:51:15,302 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:51:15,302 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:51:15,324 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:51:15,325 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:51:15,325 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:51:15,325 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:51:15,325 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:51:15,326 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:51:15,326 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:51:15,326 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:51:15,326 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:51:15,326 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:51:15,326 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:51:15,326 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:51:15,326 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:51:15,327 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:51:15,327 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:51:15,327 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:51:15,327 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:51:15,327 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:51:15,327 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:51:15,327 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:51:15,328 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:51:15,328 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:51:15,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:51:15,328 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:51:15,328 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:51:15,328 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:51:15,328 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:51:15,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:51:15,329 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_85aad6e5-2b54-4d9b-a4e3-758af18c0162/bin/ukojak-verify-EEHR8qb7sm 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 -> 252cd4a0f8e1adbe16c63dba2a525d461eb83ddbfd931d93e6b7ef83b52daaf7 [2024-11-13 16:51:15,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:51:15,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:51:15,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:51:15,604 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:51:15,605 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:51:15,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85aad6e5-2b54-4d9b-a4e3-758af18c0162/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c Unable to find full path for "g++" [2024-11-13 16:51:17,454 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:51:17,756 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:51:17,760 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85aad6e5-2b54-4d9b-a4e3-758af18c0162/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c [2024-11-13 16:51:17,774 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85aad6e5-2b54-4d9b-a4e3-758af18c0162/bin/ukojak-verify-EEHR8qb7sm/data/7dd428f22/684cd941cafa43bba2fe3ae70c401ca5/FLAGe8d7a1999 [2024-11-13 16:51:18,027 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85aad6e5-2b54-4d9b-a4e3-758af18c0162/bin/ukojak-verify-EEHR8qb7sm/data/7dd428f22/684cd941cafa43bba2fe3ae70c401ca5 [2024-11-13 16:51:18,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:51:18,033 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:51:18,035 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:51:18,035 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:51:18,040 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:51:18,041 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:51:18" (1/1) ... [2024-11-13 16:51:18,042 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f21dccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:51:18, skipping insertion in model container [2024-11-13 16:51:18,045 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:51:18" (1/1) ... [2024-11-13 16:51:18,084 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:51:18,394 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_85aad6e5-2b54-4d9b-a4e3-758af18c0162/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c[20056,20069] [2024-11-13 16:51:18,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:51:18,417 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:51:18,476 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_85aad6e5-2b54-4d9b-a4e3-758af18c0162/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.1.ufo.BOUNDED-14.pals.c[20056,20069] [2024-11-13 16:51:18,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:51:18,496 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:51:18,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:51:18 WrapperNode [2024-11-13 16:51:18,501 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:51:18,502 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:51:18,502 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:51:18,502 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:51:18,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:51:18" (1/1) ... [2024-11-13 16:51:18,521 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:51:18" (1/1) ... [2024-11-13 16:51:18,574 INFO L138 Inliner]: procedures = 26, calls = 18, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 460 [2024-11-13 16:51:18,575 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:51:18,575 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:51:18,575 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:51:18,575 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:51:18,583 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:51:18" (1/1) ... [2024-11-13 16:51:18,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:51:18" (1/1) ... [2024-11-13 16:51:18,586 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:51:18" (1/1) ... [2024-11-13 16:51:18,586 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:51:18" (1/1) ... [2024-11-13 16:51:18,594 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:51:18" (1/1) ... [2024-11-13 16:51:18,600 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:51:18" (1/1) ... [2024-11-13 16:51:18,603 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:51:18" (1/1) ... [2024-11-13 16:51:18,605 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:51:18" (1/1) ... [2024-11-13 16:51:18,615 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:51:18,616 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:51:18,616 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:51:18,616 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:51:18,617 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:51:18" (1/1) ... [2024-11-13 16:51:18,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:51:18,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85aad6e5-2b54-4d9b-a4e3-758af18c0162/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:51:18,666 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85aad6e5-2b54-4d9b-a4e3-758af18c0162/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:51:18,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85aad6e5-2b54-4d9b-a4e3-758af18c0162/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:51:18,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:51:18,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:51:18,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:51:18,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:51:18,818 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:51:18,820 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:51:19,441 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-11-13 16:51:19,443 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:51:20,346 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:51:20,348 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:51:20,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:51:20 BoogieIcfgContainer [2024-11-13 16:51:20,349 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:51:20,350 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:51:20,350 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:51:20,360 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:51:20,360 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:51:20" (1/1) ... [2024-11-13 16:51:20,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:51:20,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:51:20,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-11-13 16:51:20,427 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-11-13 16:51:20,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:51:20,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:51:20,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:51:20,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:51:23,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:51:23,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:51:23,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2024-11-13 16:51:23,841 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2024-11-13 16:51:23,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:51:23,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:51:23,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:51:23,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:51:24,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:51:24,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:51:24,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2024-11-13 16:51:24,865 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2024-11-13 16:51:24,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:51:24,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:51:24,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:51:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:51:26,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:51:27,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:51:27,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 21 states and 35 transitions. [2024-11-13 16:51:27,497 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 35 transitions. [2024-11-13 16:51:27,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 16:51:27,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:51:27,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:51:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:51:28,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:51:28,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:51:28,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 25 states and 42 transitions. [2024-11-13 16:51:28,237 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2024-11-13 16:51:28,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 16:51:28,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:51:28,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:51:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:51:39,386 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:51:46,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:51:46,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 65 transitions. [2024-11-13 16:51:46,228 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 65 transitions. [2024-11-13 16:51:46,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 16:51:46,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:51:46,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:51:46,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:51:46,850 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:51:49,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:51:49,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 41 states and 81 transitions. [2024-11-13 16:51:49,648 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 81 transitions. [2024-11-13 16:51:49,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 16:51:49,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:51:49,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:51:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:00,279 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:52:09,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:09,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 53 states and 107 transitions. [2024-11-13 16:52:09,045 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 107 transitions. [2024-11-13 16:52:09,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 16:52:09,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:09,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:52:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:18,468 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:52:26,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:26,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 64 states and 128 transitions. [2024-11-13 16:52:26,916 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 128 transitions. [2024-11-13 16:52:26,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 16:52:26,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:26,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:52:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:28,151 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 16:52:29,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:29,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 65 states and 125 transitions. [2024-11-13 16:52:29,292 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 125 transitions. [2024-11-13 16:52:29,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:52:29,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:29,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:52:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:32,014 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:52:43,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:43,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 76 states and 163 transitions. [2024-11-13 16:52:43,608 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 163 transitions. [2024-11-13 16:52:43,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 16:52:43,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:43,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:52:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:44,687 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:52:50,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:52:50,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 86 states and 195 transitions. [2024-11-13 16:52:50,352 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 195 transitions. [2024-11-13 16:52:50,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 16:52:50,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:52:50,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:52:50,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:52:53,261 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:53:03,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:03,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 95 states and 219 transitions. [2024-11-13 16:53:03,984 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 219 transitions. [2024-11-13 16:53:03,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 16:53:03,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:03,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:53:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:05,739 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:53:07,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:07,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 97 states and 229 transitions. [2024-11-13 16:53:07,417 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 229 transitions. [2024-11-13 16:53:07,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 16:53:07,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:07,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:53:07,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:07,823 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:53:09,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:09,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 99 states and 235 transitions. [2024-11-13 16:53:09,273 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 235 transitions. [2024-11-13 16:53:09,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 16:53:09,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:09,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:53:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:12,267 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:53:19,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:19,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 108 states and 256 transitions. [2024-11-13 16:53:19,876 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 256 transitions. [2024-11-13 16:53:19,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 16:53:19,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:19,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:53:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:30,580 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:53:47,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:47,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 123 states and 292 transitions. [2024-11-13 16:53:47,201 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 292 transitions. [2024-11-13 16:53:47,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 16:53:47,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:47,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:53:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:53:48,842 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:53:51,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:53:51,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 124 states and 296 transitions. [2024-11-13 16:53:51,355 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 296 transitions. [2024-11-13 16:53:51,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 16:53:51,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:53:51,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:53:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:54:52,406 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:56:15,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:56:15,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 150 states and 378 transitions. [2024-11-13 16:56:15,606 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 378 transitions. [2024-11-13 16:56:15,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 16:56:15,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:56:15,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:56:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:34,830 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:57:48,527 WARN L286 SmtUtils]: Spent 5.69s on a formula simplification. DAG size of input: 485 DAG size of output: 333 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:58:09,190 WARN L286 SmtUtils]: Spent 5.68s on a formula simplification. DAG size of input: 487 DAG size of output: 335 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:58:27,565 WARN L286 SmtUtils]: Spent 5.93s on a formula simplification. DAG size of input: 489 DAG size of output: 337 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 17:00:26,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:00:26,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 175 states and 470 transitions. [2024-11-13 17:00:26,051 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 470 transitions. [2024-11-13 17:00:26,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 17:00:26,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:00:26,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:00:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:01:53,938 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:02:10,308 WARN L286 SmtUtils]: Spent 5.05s on a formula simplification. DAG size of input: 484 DAG size of output: 359 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 17:03:05,663 WARN L286 SmtUtils]: Spent 6.93s on a formula simplification. DAG size of input: 555 DAG size of output: 465 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 17:03:15,341 WARN L286 SmtUtils]: Spent 5.15s on a formula simplification. DAG size of input: 557 DAG size of output: 491 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 17:03:38,603 WARN L286 SmtUtils]: Spent 7.49s on a formula simplification. DAG size of input: 556 DAG size of output: 466 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 17:03:44,578 WARN L286 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 558 DAG size of output: 492 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 17:04:11,281 WARN L286 SmtUtils]: Spent 5.35s on a formula simplification. DAG size of input: 527 DAG size of output: 468 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 17:04:17,978 WARN L286 SmtUtils]: Spent 5.63s on a formula simplification. DAG size of input: 529 DAG size of output: 494 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 17:04:26,278 WARN L286 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 469 DAG size of output: 466 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 17:04:41,280 WARN L286 SmtUtils]: Spent 5.53s on a formula simplification. DAG size of input: 529 DAG size of output: 470 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 17:04:47,578 WARN L286 SmtUtils]: Spent 5.11s on a formula simplification. DAG size of input: 531 DAG size of output: 496 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 17:05:15,762 WARN L286 SmtUtils]: Spent 5.38s on a formula simplification. DAG size of input: 527 DAG size of output: 492 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 17:05:24,183 WARN L286 SmtUtils]: Spent 5.39s on a formula simplification. DAG size of input: 467 DAG size of output: 464 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 17:05:32,327 WARN L286 SmtUtils]: Spent 5.34s on a formula simplification. DAG size of input: 493 DAG size of output: 490 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)