./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52f0471-d30f-4396-93e0-74b72f861377/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52f0471-d30f-4396-93e0-74b72f861377/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52f0471-d30f-4396-93e0-74b72f861377/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52f0471-d30f-4396-93e0-74b72f861377/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52f0471-d30f-4396-93e0-74b72f861377/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52f0471-d30f-4396-93e0-74b72f861377/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a44e961521da9b8f4535724e185f402d94bec27d495ab6df10e2b3c1ffa4513a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:26:44,792 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:26:44,883 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52f0471-d30f-4396-93e0-74b72f861377/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:26:44,891 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:26:44,892 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:26:44,914 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:26:44,915 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:26:44,915 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:26:44,915 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:26:44,916 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:26:44,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:26:44,916 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:26:44,916 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:26:44,916 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:26:44,916 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:26:44,916 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:26:44,916 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:26:44,917 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:26:44,917 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:26:44,917 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:26:44,917 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:26:44,917 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:26:44,917 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:26:44,918 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:26:44,918 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:26:44,918 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:26:44,918 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:26:44,918 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:26:44,918 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:26:44,919 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:26:44,919 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:26:44,919 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:26:44,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:26:44,919 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_f52f0471-d30f-4396-93e0-74b72f861377/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a44e961521da9b8f4535724e185f402d94bec27d495ab6df10e2b3c1ffa4513a [2024-11-13 22:26:45,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:26:45,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:26:45,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:26:45,265 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:26:45,266 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:26:45,267 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52f0471-d30f-4396-93e0-74b72f861377/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c Unable to find full path for "g++" [2024-11-13 22:26:47,111 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:26:47,400 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:26:47,401 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52f0471-d30f-4396-93e0-74b72f861377/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c [2024-11-13 22:26:47,414 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52f0471-d30f-4396-93e0-74b72f861377/bin/ukojak-verify-EEHR8qb7sm/data/1cf1f8ca7/f710f5986df343cb88d78a4d1bf33c0b/FLAG9317d8499 [2024-11-13 22:26:47,685 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52f0471-d30f-4396-93e0-74b72f861377/bin/ukojak-verify-EEHR8qb7sm/data/1cf1f8ca7/f710f5986df343cb88d78a4d1bf33c0b [2024-11-13 22:26:47,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:26:47,689 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:26:47,691 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:26:47,691 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:26:47,696 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:26:47,697 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:26:47" (1/1) ... [2024-11-13 22:26:47,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb8213b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:47, skipping insertion in model container [2024-11-13 22:26:47,698 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:26:47" (1/1) ... [2024-11-13 22:26:47,742 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:26:48,007 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_f52f0471-d30f-4396-93e0-74b72f861377/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c[16936,16949] [2024-11-13 22:26:48,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:26:48,022 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:26:48,081 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_f52f0471-d30f-4396-93e0-74b72f861377/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.6.ufo.BOUNDED-12.pals.c[16936,16949] [2024-11-13 22:26:48,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:26:48,099 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:26:48,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:48 WrapperNode [2024-11-13 22:26:48,100 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:26:48,101 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:26:48,101 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:26:48,101 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:26:48,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:48" (1/1) ... [2024-11-13 22:26:48,118 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:48" (1/1) ... [2024-11-13 22:26:48,160 INFO L138 Inliner]: procedures = 25, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 454 [2024-11-13 22:26:48,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:26:48,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:26:48,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:26:48,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:26:48,170 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:48" (1/1) ... [2024-11-13 22:26:48,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:48" (1/1) ... [2024-11-13 22:26:48,178 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:48" (1/1) ... [2024-11-13 22:26:48,179 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:48" (1/1) ... [2024-11-13 22:26:48,196 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:48" (1/1) ... [2024-11-13 22:26:48,208 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:48" (1/1) ... [2024-11-13 22:26:48,211 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:48" (1/1) ... [2024-11-13 22:26:48,213 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:48" (1/1) ... [2024-11-13 22:26:48,217 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:26:48,218 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:26:48,218 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:26:48,218 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:26:48,219 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:26:48" (1/1) ... [2024-11-13 22:26:48,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:26:48,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52f0471-d30f-4396-93e0-74b72f861377/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:26:48,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52f0471-d30f-4396-93e0-74b72f861377/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:26:48,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f52f0471-d30f-4396-93e0-74b72f861377/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:26:48,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:26:48,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:26:48,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:26:48,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:26:48,439 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:26:48,441 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:26:49,175 INFO L? ?]: Removed 51 outVars from TransFormulas that were not future-live. [2024-11-13 22:26:49,176 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:26:50,026 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:26:50,026 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:26:50,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:26:50 BoogieIcfgContainer [2024-11-13 22:26:50,027 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:26:50,027 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:26:50,027 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:26:50,039 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:26:50,039 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:26:50" (1/1) ... [2024-11-13 22:26:50,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:26:50,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:50,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-11-13 22:26:50,113 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-11-13 22:26:50,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:26:50,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:50,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:26:53,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:26:53,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:26:53,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2024-11-13 22:26:53,649 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2024-11-13 22:26:53,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:26:53,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:26:53,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:26:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:12,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:15,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:15,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 13 states and 22 transitions. [2024-11-13 22:27:15,131 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 22 transitions. [2024-11-13 22:27:15,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:27:15,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:15,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:27:19,875 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:27:23,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:27:23,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 19 states and 38 transitions. [2024-11-13 22:27:23,953 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 38 transitions. [2024-11-13 22:27:23,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:27:23,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:27:23,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:27:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:28:17,254 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:28:55,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:28:55,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 28 states and 64 transitions. [2024-11-13 22:28:55,812 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 64 transitions. [2024-11-13 22:28:55,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:28:55,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:28:55,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:28:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:32:43,757 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:33:28,055 WARN L286 SmtUtils]: Spent 12.77s on a formula simplification. DAG size of input: 664 DAG size of output: 568 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:33:42,830 WARN L286 SmtUtils]: Spent 12.21s on a formula simplification. DAG size of input: 666 DAG size of output: 588 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:33:48,733 WARN L286 SmtUtils]: Spent 5.27s on a formula simplification. DAG size of input: 569 DAG size of output: 567 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:34:05,420 WARN L286 SmtUtils]: Spent 12.75s on a formula simplification. DAG size of input: 660 DAG size of output: 564 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:34:17,722 WARN L286 SmtUtils]: Spent 12.08s on a formula simplification. DAG size of input: 662 DAG size of output: 584 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:34:23,719 WARN L286 SmtUtils]: Spent 5.39s on a formula simplification. DAG size of input: 565 DAG size of output: 563 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:34:56,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:34:56,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 38 states and 98 transitions. [2024-11-13 22:34:56,590 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 98 transitions. [2024-11-13 22:34:56,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:34:56,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:34:56,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:34:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:35:03,269 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:35:23,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:35:23,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 44 states and 125 transitions. [2024-11-13 22:35:23,021 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 125 transitions. [2024-11-13 22:35:23,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 22:35:23,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:35:23,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:35:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:35:28,900 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:35:56,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:35:56,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 49 states and 146 transitions. [2024-11-13 22:35:56,918 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 146 transitions. [2024-11-13 22:35:56,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:35:56,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:35:56,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat