./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.1.ufo.BOUNDED-12.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac835348-e3d5-4ef6-8176-d475637c1f13/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac835348-e3d5-4ef6-8176-d475637c1f13/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac835348-e3d5-4ef6-8176-d475637c1f13/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac835348-e3d5-4ef6-8176-d475637c1f13/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.1.ufo.BOUNDED-12.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac835348-e3d5-4ef6-8176-d475637c1f13/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac835348-e3d5-4ef6-8176-d475637c1f13/bin/ukojak-verify-ImItNfHLgk --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 b4e7977192ae56aeb09dc050b873d7b40c1e47d710f31b358c00a46d3bffe743 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:13:15,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:13:15,253 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac835348-e3d5-4ef6-8176-d475637c1f13/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:13:15,260 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:13:15,260 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:13:15,302 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:13:15,304 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:13:15,305 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:13:15,306 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:13:15,307 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:13:15,307 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:13:15,308 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:13:15,308 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:13:15,309 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:13:15,311 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:13:15,312 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:13:15,312 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:13:15,313 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:13:15,313 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:13:15,313 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:13:15,314 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:13:15,318 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:13:15,318 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:13:15,319 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:13:15,319 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:13:15,319 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:13:15,320 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:13:15,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:13:15,320 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:13:15,321 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:13:15,321 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:13:15,321 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:13:15,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:13:15,326 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac835348-e3d5-4ef6-8176-d475637c1f13/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac835348-e3d5-4ef6-8176-d475637c1f13/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4e7977192ae56aeb09dc050b873d7b40c1e47d710f31b358c00a46d3bffe743 [2024-11-08 23:13:15,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:13:15,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:13:15,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:13:15,604 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:13:15,604 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:13:15,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac835348-e3d5-4ef6-8176-d475637c1f13/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.1.ufo.BOUNDED-12.pals.c Unable to find full path for "g++" [2024-11-08 23:13:17,802 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:13:18,052 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:13:18,055 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac835348-e3d5-4ef6-8176-d475637c1f13/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.1.ufo.BOUNDED-12.pals.c [2024-11-08 23:13:18,072 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac835348-e3d5-4ef6-8176-d475637c1f13/bin/ukojak-verify-ImItNfHLgk/data/7294c27c4/ac4644371371470eaed9465a4c8c3d05/FLAG63e22137b [2024-11-08 23:13:18,092 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac835348-e3d5-4ef6-8176-d475637c1f13/bin/ukojak-verify-ImItNfHLgk/data/7294c27c4/ac4644371371470eaed9465a4c8c3d05 [2024-11-08 23:13:18,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:13:18,097 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:13:18,098 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:13:18,098 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:13:18,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:13:18,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:13:18" (1/1) ... [2024-11-08 23:13:18,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@113926ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:18, skipping insertion in model container [2024-11-08 23:13:18,107 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:13:18" (1/1) ... [2024-11-08 23:13:18,152 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:13:18,429 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_ac835348-e3d5-4ef6-8176-d475637c1f13/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.1.ufo.BOUNDED-12.pals.c[15112,15125] [2024-11-08 23:13:18,434 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:13:18,450 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:13:18,515 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_ac835348-e3d5-4ef6-8176-d475637c1f13/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.1.ufo.BOUNDED-12.pals.c[15112,15125] [2024-11-08 23:13:18,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:13:18,552 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:13:18,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:18 WrapperNode [2024-11-08 23:13:18,553 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:13:18,554 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:13:18,554 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:13:18,555 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:13:18,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:18" (1/1) ... [2024-11-08 23:13:18,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:18" (1/1) ... [2024-11-08 23:13:18,617 INFO L138 Inliner]: procedures = 25, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 398 [2024-11-08 23:13:18,617 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:13:18,618 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:13:18,618 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:13:18,618 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:13:18,633 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:18" (1/1) ... [2024-11-08 23:13:18,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:18" (1/1) ... [2024-11-08 23:13:18,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:18" (1/1) ... [2024-11-08 23:13:18,640 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:18" (1/1) ... [2024-11-08 23:13:18,651 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:18" (1/1) ... [2024-11-08 23:13:18,659 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:18" (1/1) ... [2024-11-08 23:13:18,662 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:18" (1/1) ... [2024-11-08 23:13:18,664 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:18" (1/1) ... [2024-11-08 23:13:18,667 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:13:18,669 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:13:18,669 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:13:18,669 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:13:18,670 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:18" (1/1) ... [2024-11-08 23:13:18,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:13:18,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac835348-e3d5-4ef6-8176-d475637c1f13/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:13:18,716 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac835348-e3d5-4ef6-8176-d475637c1f13/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:13:18,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac835348-e3d5-4ef6-8176-d475637c1f13/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:13:18,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:13:18,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:13:18,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:13:18,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:13:18,912 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:13:18,914 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:13:19,542 INFO L? ?]: Removed 46 outVars from TransFormulas that were not future-live. [2024-11-08 23:13:19,542 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:13:20,190 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:13:20,190 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 23:13:20,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:13:20 BoogieIcfgContainer [2024-11-08 23:13:20,191 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:13:20,192 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:13:20,192 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:13:20,203 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:13:20,203 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:13:20" (1/1) ... [2024-11-08 23:13:20,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:13:20,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:20,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 14 states and 19 transitions. [2024-11-08 23:13:20,280 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2024-11-08 23:13:20,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:13:20,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:20,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:13:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:22,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:13:22,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:22,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2024-11-08 23:13:22,981 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2024-11-08 23:13:22,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:13:22,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:22,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:13:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:23,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:13:23,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:23,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2024-11-08 23:13:23,787 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2024-11-08 23:13:23,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:13:23,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:23,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:13:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:25,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:13:26,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:26,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2024-11-08 23:13:26,186 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2024-11-08 23:13:26,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:13:26,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:26,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:13:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:26,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:13:26,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:26,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-11-08 23:13:26,748 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-11-08 23:13:26,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 23:13:26,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:26,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:13:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:37,568 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:13:43,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:43,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 41 states and 73 transitions. [2024-11-08 23:13:43,660 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 73 transitions. [2024-11-08 23:13:43,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:13:43,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:43,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:13:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:13:44,543 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:13:50,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:13:50,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 54 states and 101 transitions. [2024-11-08 23:13:50,393 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 101 transitions. [2024-11-08 23:13:50,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:13:50,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:13:50,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:13:50,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:01,317 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:14:09,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:09,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 67 states and 127 transitions. [2024-11-08 23:14:09,578 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 127 transitions. [2024-11-08 23:14:09,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:14:09,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:09,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:14:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:10,358 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:14:10,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:10,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 69 states and 133 transitions. [2024-11-08 23:14:10,946 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 133 transitions. [2024-11-08 23:14:10,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:14:10,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:10,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:14:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:18,951 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:14:27,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:27,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 82 states and 162 transitions. [2024-11-08 23:14:27,826 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 162 transitions. [2024-11-08 23:14:27,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 23:14:27,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:27,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:14:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:31,088 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:14:41,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:41,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 95 states and 206 transitions. [2024-11-08 23:14:41,841 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 206 transitions. [2024-11-08 23:14:41,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 23:14:41,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:41,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:14:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:44,242 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:14:57,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:57,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 108 states and 250 transitions. [2024-11-08 23:14:57,136 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 250 transitions. [2024-11-08 23:14:57,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:14:57,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:57,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:14:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:00,028 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:15:07,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:07,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 118 states and 281 transitions. [2024-11-08 23:15:07,381 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 281 transitions. [2024-11-08 23:15:07,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:15:07,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:07,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:15:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:08,739 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:15:12,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:12,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 122 states and 292 transitions. [2024-11-08 23:15:12,194 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 292 transitions. [2024-11-08 23:15:12,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:15:12,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:12,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:15:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:12,691 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:15:14,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:14,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 124 states and 296 transitions. [2024-11-08 23:15:14,604 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 296 transitions. [2024-11-08 23:15:14,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:15:14,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:14,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:15:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:15,125 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:15:19,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:19,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 131 states and 324 transitions. [2024-11-08 23:15:19,741 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 324 transitions. [2024-11-08 23:15:19,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:15:19,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:19,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:15:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:22,513 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:15:28,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:28,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 139 states and 352 transitions. [2024-11-08 23:15:28,338 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 352 transitions. [2024-11-08 23:15:28,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:15:28,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:28,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:15:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:30,800 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:15:38,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:38,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 148 states and 387 transitions. [2024-11-08 23:15:38,181 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 387 transitions. [2024-11-08 23:15:38,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:15:38,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:38,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:15:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:38,604 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:15:39,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:39,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 150 states and 391 transitions. [2024-11-08 23:15:39,582 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 391 transitions. [2024-11-08 23:15:39,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:15:39,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:39,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:15:39,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:42,390 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:15:44,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:44,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 151 states and 391 transitions. [2024-11-08 23:15:44,708 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 391 transitions. [2024-11-08 23:15:44,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 23:15:44,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:44,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:15:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:08,258 WARN L286 SmtUtils]: Spent 7.24s on a formula simplification that was a NOOP. DAG size: 306 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)