./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.BOUNDED-16.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_60a9db95-6331-426f-9a55-629c0b533fec/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a9db95-6331-426f-9a55-629c0b533fec/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_60a9db95-6331-426f-9a55-629c0b533fec/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a9db95-6331-426f-9a55-629c0b533fec/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.BOUNDED-16.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a9db95-6331-426f-9a55-629c0b533fec/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_60a9db95-6331-426f-9a55-629c0b533fec/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 6327d27f7abe073a313b5cd298156d916d823d684efcd0c205043cb09610f085 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:45:22,663 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:45:22,734 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a9db95-6331-426f-9a55-629c0b533fec/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:45:22,742 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:45:22,742 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:45:22,763 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:45:22,763 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:45:22,764 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:45:22,764 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:45:22,764 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:45:22,765 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:45:22,765 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:45:22,765 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:45:22,765 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:45:22,765 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:45:22,765 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:45:22,765 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:45:22,766 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:45:22,766 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:45:22,766 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:45:22,766 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:45:22,766 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:45:22,766 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:45:22,767 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:45:22,767 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:45:22,767 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:45:22,767 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:45:22,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:45:22,767 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:45:22,767 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:45:22,768 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:45:22,768 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:45:22,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:45:22,768 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_60a9db95-6331-426f-9a55-629c0b533fec/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 -> 6327d27f7abe073a313b5cd298156d916d823d684efcd0c205043cb09610f085 [2024-11-25 02:45:23,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:45:23,041 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:45:23,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:45:23,047 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:45:23,047 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:45:23,050 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a9db95-6331-426f-9a55-629c0b533fec/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.BOUNDED-16.pals.c [2024-11-25 02:45:26,118 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a9db95-6331-426f-9a55-629c0b533fec/bin/ukojak-verify-ENZ3QT5qd3/data/4fbb89b27/c655cf5dc6744549bbc9d27b1fd75fe0/FLAGeb631fc6b [2024-11-25 02:45:26,445 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:45:26,447 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a9db95-6331-426f-9a55-629c0b533fec/sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.BOUNDED-16.pals.c [2024-11-25 02:45:26,465 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a9db95-6331-426f-9a55-629c0b533fec/bin/ukojak-verify-ENZ3QT5qd3/data/4fbb89b27/c655cf5dc6744549bbc9d27b1fd75fe0/FLAGeb631fc6b [2024-11-25 02:45:26,490 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a9db95-6331-426f-9a55-629c0b533fec/bin/ukojak-verify-ENZ3QT5qd3/data/4fbb89b27/c655cf5dc6744549bbc9d27b1fd75fe0 [2024-11-25 02:45:26,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:45:26,496 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:45:26,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:45:26,499 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:45:26,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:45:26,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:45:26" (1/1) ... [2024-11-25 02:45:26,505 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6431bb9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:26, skipping insertion in model container [2024-11-25 02:45:26,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:45:26" (1/1) ... [2024-11-25 02:45:26,550 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:45:26,886 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_60a9db95-6331-426f-9a55-629c0b533fec/sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.BOUNDED-16.pals.c[26453,26466] [2024-11-25 02:45:26,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:45:26,914 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:45:26,979 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_60a9db95-6331-426f-9a55-629c0b533fec/sv-benchmarks/c/seq-mthreaded/pals_lcr.8.ufo.BOUNDED-16.pals.c[26453,26466] [2024-11-25 02:45:26,980 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:45:27,002 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:45:27,003 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:27 WrapperNode [2024-11-25 02:45:27,004 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:45:27,005 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:45:27,005 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:45:27,005 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:45:27,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:27" (1/1) ... [2024-11-25 02:45:27,030 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:27" (1/1) ... [2024-11-25 02:45:27,093 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 531 [2024-11-25 02:45:27,093 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:45:27,094 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:45:27,095 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:45:27,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:45:27,103 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:27" (1/1) ... [2024-11-25 02:45:27,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:27" (1/1) ... [2024-11-25 02:45:27,112 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:27" (1/1) ... [2024-11-25 02:45:27,112 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:27" (1/1) ... [2024-11-25 02:45:27,129 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:27" (1/1) ... [2024-11-25 02:45:27,134 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:27" (1/1) ... [2024-11-25 02:45:27,146 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:27" (1/1) ... [2024-11-25 02:45:27,151 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:27" (1/1) ... [2024-11-25 02:45:27,153 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:27" (1/1) ... [2024-11-25 02:45:27,157 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:45:27,158 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:45:27,158 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:45:27,158 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:45:27,159 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:27" (1/1) ... [2024-11-25 02:45:27,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:45:27,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a9db95-6331-426f-9a55-629c0b533fec/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:45:27,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a9db95-6331-426f-9a55-629c0b533fec/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:45:27,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60a9db95-6331-426f-9a55-629c0b533fec/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:45:27,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:45:27,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:45:27,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:45:27,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:45:27,406 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:45:27,408 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:45:28,152 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-25 02:45:28,152 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:45:29,307 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:45:29,307 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:45:29,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:45:29 BoogieIcfgContainer [2024-11-25 02:45:29,308 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:45:29,309 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:45:29,309 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:45:29,318 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:45:29,318 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:45:29" (1/1) ... [2024-11-25 02:45:29,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:45:29,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:29,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-11-25 02:45:29,387 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-11-25 02:45:29,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 02:45:29,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:29,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:45:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:33,129 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 02:45:33,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:33,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2024-11-25 02:45:33,293 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2024-11-25 02:45:33,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:45:33,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:33,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:45:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:33,803 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 02:45:34,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:34,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2024-11-25 02:45:34,245 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2024-11-25 02:45:34,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:45:34,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:34,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:45:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:36,520 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 02:45:37,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:37,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 21 states and 35 transitions. [2024-11-25 02:45:37,290 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 35 transitions. [2024-11-25 02:45:37,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:45:37,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:37,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:45:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:39,383 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 02:45:39,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:39,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2024-11-25 02:45:39,680 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2024-11-25 02:45:39,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 02:45:39,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:39,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:45:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:52,517 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 02:46:00,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:00,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 34 states and 62 transitions. [2024-11-25 02:46:00,765 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2024-11-25 02:46:00,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 02:46:00,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:00,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:46:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:01,899 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 02:46:09,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:09,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 45 states and 87 transitions. [2024-11-25 02:46:09,892 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 87 transitions. [2024-11-25 02:46:09,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 02:46:09,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:09,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:46:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:21,353 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 02:46:32,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:32,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 54 states and 105 transitions. [2024-11-25 02:46:32,235 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 105 transitions. [2024-11-25 02:46:32,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 02:46:32,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:32,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:46:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:42,304 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 02:46:54,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:54,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 65 states and 132 transitions. [2024-11-25 02:46:54,312 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 132 transitions. [2024-11-25 02:46:54,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 02:46:54,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:54,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:46:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:57,591 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:47:11,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:11,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 75 states and 169 transitions. [2024-11-25 02:47:11,720 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 169 transitions. [2024-11-25 02:47:11,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 02:47:11,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:11,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:47:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:15,340 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 02:47:32,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:32,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 91 states and 217 transitions. [2024-11-25 02:47:32,382 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 217 transitions. [2024-11-25 02:47:32,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 02:47:32,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:32,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:47:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:36,753 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 02:47:45,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:45,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 102 states and 253 transitions. [2024-11-25 02:47:45,685 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 253 transitions. [2024-11-25 02:47:45,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 02:47:45,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:45,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:47:45,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:49,362 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 02:47:59,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:59,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 112 states and 294 transitions. [2024-11-25 02:47:59,215 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 294 transitions. [2024-11-25 02:47:59,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 02:47:59,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:59,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:47:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:00,902 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 02:48:08,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:08,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 120 states and 326 transitions. [2024-11-25 02:48:08,414 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 326 transitions. [2024-11-25 02:48:08,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 02:48:08,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:08,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:48:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:12,309 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 02:48:21,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:21,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 128 states and 354 transitions. [2024-11-25 02:48:21,595 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 354 transitions. [2024-11-25 02:48:21,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 02:48:21,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:21,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:48:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:25,903 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 02:48:34,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:34,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 136 states and 381 transitions. [2024-11-25 02:48:34,688 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 381 transitions. [2024-11-25 02:48:34,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 02:48:34,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:34,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:48:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:38,784 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 02:48:48,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:48,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 144 states and 411 transitions. [2024-11-25 02:48:48,970 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 411 transitions. [2024-11-25 02:48:48,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 02:48:48,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:48,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:48:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:49,433 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 02:48:52,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:52,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 145 states and 413 transitions. [2024-11-25 02:48:52,018 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 413 transitions. [2024-11-25 02:48:52,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 02:48:52,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:52,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:48:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:56,202 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 02:49:05,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:05,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 153 states and 436 transitions. [2024-11-25 02:49:05,917 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 436 transitions. [2024-11-25 02:49:05,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 02:49:05,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:05,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:49:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:06,889 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 02:49:08,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:08,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 153 states and 435 transitions. [2024-11-25 02:49:08,421 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 435 transitions. [2024-11-25 02:49:08,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 02:49:08,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:08,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:49:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:56:44,016 WARN L286 SmtUtils]: Spent 6.02s on a formula simplification. DAG size of input: 498 DAG size of output: 492 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:59:02,206 WARN L286 SmtUtils]: Spent 5.24s on a formula simplification. DAG size of input: 499 DAG size of output: 493 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:59:23,182 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 02:59:37,124 WARN L286 SmtUtils]: Spent 5.62s on a formula simplification. DAG size of input: 493 DAG size of output: 431 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 02:59:46,218 WARN L286 SmtUtils]: Spent 5.37s on a formula simplification. DAG size of input: 495 DAG size of output: 455 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:00:00,714 WARN L286 SmtUtils]: Spent 5.90s on a formula simplification. DAG size of input: 496 DAG size of output: 434 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)