./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.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_2b07b33c-bab7-41ab-b4a3-154b654f563a/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b07b33c-bab7-41ab-b4a3-154b654f563a/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_2b07b33c-bab7-41ab-b4a3-154b654f563a/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b07b33c-bab7-41ab-b4a3-154b654f563a/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b07b33c-bab7-41ab-b4a3-154b654f563a/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_2b07b33c-bab7-41ab-b4a3-154b654f563a/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 760447de6aa5739f187553f004f72c898b25c540c6dba08996c9520ae7051de1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:14:40,956 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:14:41,040 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b07b33c-bab7-41ab-b4a3-154b654f563a/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:14:41,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:14:41,047 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:14:41,071 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:14:41,072 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:14:41,072 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:14:41,073 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:14:41,073 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:14:41,073 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:14:41,073 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:14:41,073 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:14:41,073 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:14:41,073 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:14:41,074 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:14:41,074 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:14:41,074 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:14:41,074 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:14:41,074 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:14:41,074 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:14:41,074 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:14:41,074 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:14:41,074 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:14:41,074 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:14:41,075 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:14:41,075 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:14:41,075 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:14:41,075 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:14:41,075 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:14:41,075 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:14:41,075 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:14:41,075 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:14:41,075 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_2b07b33c-bab7-41ab-b4a3-154b654f563a/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 -> 760447de6aa5739f187553f004f72c898b25c540c6dba08996c9520ae7051de1 [2024-11-25 05:14:41,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:14:41,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:14:41,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:14:41,440 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:14:41,440 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:14:41,442 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b07b33c-bab7-41ab-b4a3-154b654f563a/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.7.ufo.UNBOUNDED.pals.c [2024-11-25 05:14:44,497 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b07b33c-bab7-41ab-b4a3-154b654f563a/bin/ukojak-verify-ENZ3QT5qd3/data/10297239a/f6bc3deadffc4434ad6f96a02fdc14c8/FLAG5ba434e7a [2024-11-25 05:14:44,723 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:14:44,724 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b07b33c-bab7-41ab-b4a3-154b654f563a/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.ufo.UNBOUNDED.pals.c [2024-11-25 05:14:44,735 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b07b33c-bab7-41ab-b4a3-154b654f563a/bin/ukojak-verify-ENZ3QT5qd3/data/10297239a/f6bc3deadffc4434ad6f96a02fdc14c8/FLAG5ba434e7a [2024-11-25 05:14:44,754 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b07b33c-bab7-41ab-b4a3-154b654f563a/bin/ukojak-verify-ENZ3QT5qd3/data/10297239a/f6bc3deadffc4434ad6f96a02fdc14c8 [2024-11-25 05:14:44,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:14:44,758 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:14:44,760 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:14:44,760 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:14:44,765 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:14:44,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:14:44" (1/1) ... [2024-11-25 05:14:44,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bc91f65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:44, skipping insertion in model container [2024-11-25 05:14:44,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:14:44" (1/1) ... [2024-11-25 05:14:44,798 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:14:45,066 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_2b07b33c-bab7-41ab-b4a3-154b654f563a/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.ufo.UNBOUNDED.pals.c[20047,20060] [2024-11-25 05:14:45,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:14:45,089 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:14:45,158 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_2b07b33c-bab7-41ab-b4a3-154b654f563a/sv-benchmarks/c/seq-mthreaded/pals_lcr.7.ufo.UNBOUNDED.pals.c[20047,20060] [2024-11-25 05:14:45,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:14:45,184 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:14:45,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:45 WrapperNode [2024-11-25 05:14:45,184 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:14:45,185 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:14:45,186 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:14:45,186 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:14:45,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:45" (1/1) ... [2024-11-25 05:14:45,203 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:45" (1/1) ... [2024-11-25 05:14:45,262 INFO L138 Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 457 [2024-11-25 05:14:45,266 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:14:45,267 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:14:45,267 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:14:45,267 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:14:45,281 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:45" (1/1) ... [2024-11-25 05:14:45,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:45" (1/1) ... [2024-11-25 05:14:45,284 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:45" (1/1) ... [2024-11-25 05:14:45,288 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:45" (1/1) ... [2024-11-25 05:14:45,306 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:45" (1/1) ... [2024-11-25 05:14:45,311 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:45" (1/1) ... [2024-11-25 05:14:45,321 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:45" (1/1) ... [2024-11-25 05:14:45,329 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:45" (1/1) ... [2024-11-25 05:14:45,331 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:45" (1/1) ... [2024-11-25 05:14:45,342 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:14:45,343 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:14:45,343 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:14:45,343 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:14:45,344 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:45" (1/1) ... [2024-11-25 05:14:45,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:14:45,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b07b33c-bab7-41ab-b4a3-154b654f563a/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:14:45,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b07b33c-bab7-41ab-b4a3-154b654f563a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:14:45,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2b07b33c-bab7-41ab-b4a3-154b654f563a/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:14:45,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:14:45,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:14:45,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:14:45,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:14:45,578 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:14:45,581 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:14:46,413 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-11-25 05:14:46,413 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:14:47,401 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:14:47,402 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 05:14:47,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:14:47 BoogieIcfgContainer [2024-11-25 05:14:47,402 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:14:47,403 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:14:47,403 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:14:47,413 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:14:47,413 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:14:47" (1/1) ... [2024-11-25 05:14:47,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:14:47,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:14:47,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-11-25 05:14:47,486 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-11-25 05:14:47,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:14:47,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:14:47,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:14:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:14:50,696 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 05:14:50,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:14:50,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2024-11-25 05:14:50,849 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2024-11-25 05:14:50,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 05:14:50,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:14:50,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:14:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:14:51,508 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 05:14:51,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:14:51,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2024-11-25 05:14:51,938 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2024-11-25 05:14:51,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 05:14:51,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:14:51,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:14:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:14:53,651 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 05:14:54,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:14:54,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2024-11-25 05:14:54,271 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2024-11-25 05:14:54,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:14:54,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:14:54,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:14:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:14:54,587 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 05:14:54,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:14:54,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2024-11-25 05:14:54,965 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2024-11-25 05:14:54,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 05:14:54,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:14:54,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:14:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:15:05,197 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 05:15:11,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:15:11,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2024-11-25 05:15:11,695 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2024-11-25 05:15:11,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 05:15:11,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:15:11,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:15:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:15:12,577 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 05:15:16,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:15:16,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 41 states and 68 transitions. [2024-11-25 05:15:16,486 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2024-11-25 05:15:16,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 05:15:16,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:15:16,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:15:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:15:25,887 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 05:15:34,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:15:34,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 50 states and 83 transitions. [2024-11-25 05:15:34,081 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 83 transitions. [2024-11-25 05:15:34,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 05:15:34,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:15:34,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:15:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:15:41,708 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 05:15:50,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:15:50,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 61 states and 106 transitions. [2024-11-25 05:15:50,087 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 106 transitions. [2024-11-25 05:15:50,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 05:15:50,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:15:50,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:15:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:15:52,523 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 05:16:02,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:16:02,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 77 states and 143 transitions. [2024-11-25 05:16:02,657 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 143 transitions. [2024-11-25 05:16:02,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 05:16:02,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:16:02,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:16:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:16:03,568 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 05:16:07,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:16:07,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 85 states and 157 transitions. [2024-11-25 05:16:07,694 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 157 transitions. [2024-11-25 05:16:07,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 05:16:07,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:16:07,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:16:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:16:10,618 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 05:16:21,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:16:21,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 98 states and 188 transitions. [2024-11-25 05:16:21,301 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 188 transitions. [2024-11-25 05:16:21,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 05:16:21,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:16:21,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:16:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:16:24,410 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 05:16:34,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:16:34,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 109 states and 211 transitions. [2024-11-25 05:16:34,810 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 211 transitions. [2024-11-25 05:16:34,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 05:16:34,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:16:34,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:16:34,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:16:35,519 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 05:16:36,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:16:36,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 110 states and 212 transitions. [2024-11-25 05:16:36,495 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 212 transitions. [2024-11-25 05:16:36,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 05:16:36,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:16:36,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:16:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:21:03,977 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 05:23:51,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:23:51,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 134 states and 271 transitions. [2024-11-25 05:23:51,490 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 271 transitions. [2024-11-25 05:23:51,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 05:23:51,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:23:51,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:23:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:37,372 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 05:25:33,688 WARN L286 SmtUtils]: Spent 5.57s on a formula simplification. DAG size of input: 514 DAG size of output: 405 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:25:51,986 WARN L286 SmtUtils]: Spent 9.56s on a formula simplification. DAG size of input: 606 DAG size of output: 453 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:26:00,952 WARN L286 SmtUtils]: Spent 5.91s on a formula simplification. DAG size of input: 608 DAG size of output: 542 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:26:08,427 WARN L286 SmtUtils]: Spent 5.12s on a formula simplification. DAG size of input: 454 DAG size of output: 454 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:26:25,311 WARN L286 SmtUtils]: Spent 10.49s on a formula simplification. DAG size of input: 604 DAG size of output: 451 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:26:32,423 WARN L286 SmtUtils]: Spent 6.39s on a formula simplification. DAG size of input: 606 DAG size of output: 540 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:26:51,536 WARN L286 SmtUtils]: Spent 7.22s on a formula simplification. DAG size of input: 606 DAG size of output: 448 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:26:57,879 WARN L286 SmtUtils]: Spent 5.66s on a formula simplification. DAG size of input: 608 DAG size of output: 542 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:27:15,497 WARN L286 SmtUtils]: Spent 6.19s on a formula simplification. DAG size of input: 608 DAG size of output: 450 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:27:21,579 WARN L286 SmtUtils]: Spent 5.41s on a formula simplification. DAG size of input: 610 DAG size of output: 544 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:28:39,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:28:39,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 159 states and 340 transitions. [2024-11-25 05:28:39,712 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 340 transitions. [2024-11-25 05:28:39,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 05:28:39,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:28:39,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:28:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat