./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.UNBOUNDED.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c171c7f-8bef-49ac-a985-133993088051/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c171c7f-8bef-49ac-a985-133993088051/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c171c7f-8bef-49ac-a985-133993088051/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c171c7f-8bef-49ac-a985-133993088051/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c171c7f-8bef-49ac-a985-133993088051/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c171c7f-8bef-49ac-a985-133993088051/bin/ukojak-verify-ENZ3QT5qd3 --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 acd9e872db1fd43c4a46d62b416714fdbb0fdc4944c5c8838fbbff5e8b72009f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:50:18,785 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:50:18,867 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c171c7f-8bef-49ac-a985-133993088051/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:50:18,873 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:50:18,873 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:50:18,904 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:50:18,907 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:50:18,907 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:50:18,908 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:50:18,908 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:50:18,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:50:18,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:50:18,910 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:50:18,911 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:50:18,911 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:50:18,911 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:50:18,911 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:50:18,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:50:18,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:50:18,912 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:50:18,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:50:18,912 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:50:18,913 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:50:18,914 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:50:18,914 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:50:18,914 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:50:18,914 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:50:18,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:50:18,915 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:50:18,915 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:50:18,916 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:50:18,916 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:50:18,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:50:18,916 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_2c171c7f-8bef-49ac-a985-133993088051/bin/ukojak-verify-ENZ3QT5qd3 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 -> acd9e872db1fd43c4a46d62b416714fdbb0fdc4944c5c8838fbbff5e8b72009f [2024-11-25 02:50:19,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:50:19,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:50:19,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:50:19,304 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:50:19,304 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:50:19,306 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c171c7f-8bef-49ac-a985-133993088051/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.UNBOUNDED.pals.c [2024-11-25 02:50:22,561 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c171c7f-8bef-49ac-a985-133993088051/bin/ukojak-verify-ENZ3QT5qd3/data/26bc7078a/eded812cbc414bb5b422e9fa8a9c0266/FLAGf1fa7f43d [2024-11-25 02:50:22,956 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:50:22,958 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c171c7f-8bef-49ac-a985-133993088051/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.UNBOUNDED.pals.c [2024-11-25 02:50:22,980 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c171c7f-8bef-49ac-a985-133993088051/bin/ukojak-verify-ENZ3QT5qd3/data/26bc7078a/eded812cbc414bb5b422e9fa8a9c0266/FLAGf1fa7f43d [2024-11-25 02:50:23,009 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c171c7f-8bef-49ac-a985-133993088051/bin/ukojak-verify-ENZ3QT5qd3/data/26bc7078a/eded812cbc414bb5b422e9fa8a9c0266 [2024-11-25 02:50:23,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:50:23,015 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:50:23,018 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:50:23,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:50:23,025 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:50:23,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:50:23" (1/1) ... [2024-11-25 02:50:23,029 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6105c26a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:23, skipping insertion in model container [2024-11-25 02:50:23,031 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:50:23" (1/1) ... [2024-11-25 02:50:23,071 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:50:23,372 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_2c171c7f-8bef-49ac-a985-133993088051/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.UNBOUNDED.pals.c[11261,11274] [2024-11-25 02:50:23,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:50:23,389 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:50:23,441 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_2c171c7f-8bef-49ac-a985-133993088051/sv-benchmarks/c/seq-mthreaded/pals_lcr.5.ufo.UNBOUNDED.pals.c[11261,11274] [2024-11-25 02:50:23,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:50:23,459 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:50:23,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:23 WrapperNode [2024-11-25 02:50:23,459 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:50:23,461 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:50:23,461 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:50:23,461 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:50:23,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:23" (1/1) ... [2024-11-25 02:50:23,475 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:23" (1/1) ... [2024-11-25 02:50:23,503 INFO L138 Inliner]: procedures = 25, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 335 [2024-11-25 02:50:23,504 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:50:23,504 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:50:23,504 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:50:23,505 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:50:23,512 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:23" (1/1) ... [2024-11-25 02:50:23,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:23" (1/1) ... [2024-11-25 02:50:23,515 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:23" (1/1) ... [2024-11-25 02:50:23,516 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:23" (1/1) ... [2024-11-25 02:50:23,522 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:23" (1/1) ... [2024-11-25 02:50:23,524 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:23" (1/1) ... [2024-11-25 02:50:23,529 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:23" (1/1) ... [2024-11-25 02:50:23,531 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:23" (1/1) ... [2024-11-25 02:50:23,532 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:23" (1/1) ... [2024-11-25 02:50:23,536 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:50:23,540 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:50:23,540 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:50:23,540 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:50:23,541 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:50:23" (1/1) ... [2024-11-25 02:50:23,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:50:23,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c171c7f-8bef-49ac-a985-133993088051/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:50:23,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c171c7f-8bef-49ac-a985-133993088051/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:50:23,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c171c7f-8bef-49ac-a985-133993088051/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:50:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:50:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:50:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:50:23,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:50:23,712 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:50:23,714 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:50:24,506 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2024-11-25 02:50:24,506 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:50:25,334 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:50:25,334 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:50:25,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:50:25 BoogieIcfgContainer [2024-11-25 02:50:25,335 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:50:25,336 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:50:25,336 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:50:25,352 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:50:25,352 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:50:25" (1/1) ... [2024-11-25 02:50:25,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:50:25,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:50:25,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-11-25 02:50:25,437 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-11-25 02:50:25,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 02:50:25,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:50:25,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:50:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:50:28,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:50:28,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:50:28,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-11-25 02:50:28,301 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-11-25 02:50:28,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:50:28,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:50:28,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:50:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:50:29,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:50:30,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:50:30,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2024-11-25 02:50:30,132 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2024-11-25 02:50:30,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:50:30,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:50:30,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:50:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:50:30,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:50:31,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:50:31,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-11-25 02:50:31,077 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-11-25 02:50:31,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:50:31,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:50:31,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:50:31,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:50:31,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:50:31,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:50:31,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2024-11-25 02:50:31,913 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2024-11-25 02:50:31,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 02:50:31,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:50:31,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:50:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:50:38,631 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:50:44,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:50:44,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2024-11-25 02:50:44,663 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2024-11-25 02:50:44,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 02:50:44,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:50:44,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:50:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:50:53,039 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:51:02,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:51:02,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2024-11-25 02:51:02,010 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2024-11-25 02:51:02,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 02:51:02,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:51:02,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:51:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:02,844 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:51:06,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:51:06,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 50 states and 83 transitions. [2024-11-25 02:51:06,860 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2024-11-25 02:51:06,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 02:51:06,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:51:06,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:51:06,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:09,492 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:51:19,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:51:19,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 66 states and 118 transitions. [2024-11-25 02:51:19,611 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 118 transitions. [2024-11-25 02:51:19,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 02:51:19,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:51:19,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:51:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:22,427 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:51:27,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:51:27,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 71 states and 128 transitions. [2024-11-25 02:51:27,576 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 128 transitions. [2024-11-25 02:51:27,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 02:51:27,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:51:27,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:51:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:29,883 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:51:40,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:51:40,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 81 states and 152 transitions. [2024-11-25 02:51:40,020 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 152 transitions. [2024-11-25 02:51:40,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 02:51:40,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:51:40,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:51:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:41,892 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:51:48,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:51:48,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 89 states and 181 transitions. [2024-11-25 02:51:48,950 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 181 transitions. [2024-11-25 02:51:48,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 02:51:48,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:51:48,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:51:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:49,975 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:51:53,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:51:53,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 95 states and 193 transitions. [2024-11-25 02:51:53,882 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 193 transitions. [2024-11-25 02:51:53,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 02:51:53,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:51:53,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:51:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:51:56,052 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:52:00,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:52:00,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 101 states and 203 transitions. [2024-11-25 02:52:00,349 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 203 transitions. [2024-11-25 02:52:00,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 02:52:00,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:52:00,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:52:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:53:43,947 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:56:08,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:56:08,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 126 states and 269 transitions. [2024-11-25 02:56:08,313 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 269 transitions. [2024-11-25 02:56:08,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 02:56:08,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:56:08,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:56:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:56:49,861 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:57:02,074 WARN L286 SmtUtils]: Spent 5.72s on a formula simplification. DAG size of input: 483 DAG size of output: 325 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:57:23,513 WARN L286 SmtUtils]: Spent 5.59s on a formula simplification. DAG size of input: 485 DAG size of output: 327 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:57:42,726 WARN L286 SmtUtils]: Spent 5.33s on a formula simplification. DAG size of input: 487 DAG size of output: 329 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:58:00,898 WARN L286 SmtUtils]: Spent 6.27s on a formula simplification. DAG size of input: 519 DAG size of output: 461 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:58:09,890 WARN L286 SmtUtils]: Spent 6.68s on a formula simplification. DAG size of input: 521 DAG size of output: 479 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:58:28,186 WARN L286 SmtUtils]: Spent 5.90s on a formula simplification. DAG size of input: 522 DAG size of output: 460 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:58:34,633 WARN L286 SmtUtils]: Spent 5.96s on a formula simplification. DAG size of input: 524 DAG size of output: 478 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:58:48,279 WARN L286 SmtUtils]: Spent 5.72s on a formula simplification. DAG size of input: 524 DAG size of output: 462 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:58:54,893 WARN L286 SmtUtils]: Spent 5.99s on a formula simplification. DAG size of input: 526 DAG size of output: 480 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:59:10,069 WARN L286 SmtUtils]: Spent 5.85s on a formula simplification. DAG size of input: 517 DAG size of output: 455 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:59:16,648 WARN L286 SmtUtils]: Spent 5.85s on a formula simplification. DAG size of input: 519 DAG size of output: 474 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:00:14,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:00:14,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 151 states and 338 transitions. [2024-11-25 03:00:14,008 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 338 transitions. [2024-11-25 03:00:14,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-25 03:00:14,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:00:14,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:00:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:00:16,316 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 9 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:00:53,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:00:53,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 162 states and 362 transitions. [2024-11-25 03:00:53,901 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 362 transitions. [2024-11-25 03:00:53,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-25 03:00:53,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:00:53,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:00:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:02:22,828 WARN L286 SmtUtils]: Spent 13.95s on a formula simplification. DAG size of input: 384 DAG size of output: 377 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:03:46,163 WARN L286 SmtUtils]: Spent 6.97s on a formula simplification. DAG size of input: 435 DAG size of output: 431 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:04:28,292 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.