./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i --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_583bfeb2-8830-4523-a788-33b69aa10da0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_583bfeb2-8830-4523-a788-33b69aa10da0/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_583bfeb2-8830-4523-a788-33b69aa10da0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_583bfeb2-8830-4523-a788-33b69aa10da0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_583bfeb2-8830-4523-a788-33b69aa10da0/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_583bfeb2-8830-4523-a788-33b69aa10da0/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 4fb6aa6206205a747f158782e93b3c9333c1a2cdc4e8dab70046fca960e31961 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:17:47,065 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:17:47,156 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_583bfeb2-8830-4523-a788-33b69aa10da0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:17:47,162 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:17:47,163 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:17:47,195 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:17:47,197 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:17:47,198 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:17:47,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:17:47,198 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:17:47,199 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:17:47,199 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:17:47,199 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:17:47,200 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:17:47,200 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:17:47,200 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:17:47,200 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:17:47,200 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:17:47,200 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:17:47,201 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:17:47,201 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:17:47,201 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:17:47,201 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:17:47,201 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:17:47,202 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:17:47,202 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:17:47,202 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:17:47,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:17:47,202 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:17:47,202 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:17:47,202 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:17:47,202 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:17:47,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:17:47,203 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_583bfeb2-8830-4523-a788-33b69aa10da0/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 -> 4fb6aa6206205a747f158782e93b3c9333c1a2cdc4e8dab70046fca960e31961 [2024-11-13 21:17:47,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:17:47,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:17:47,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:17:47,495 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:17:47,495 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:17:47,496 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_583bfeb2-8830-4523-a788-33b69aa10da0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i Unable to find full path for "g++" [2024-11-13 21:17:49,316 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:17:49,763 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:17:49,764 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_583bfeb2-8830-4523-a788-33b69aa10da0/sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i [2024-11-13 21:17:49,782 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_583bfeb2-8830-4523-a788-33b69aa10da0/bin/ukojak-verify-EEHR8qb7sm/data/3a8ef99f3/cba6bd2fbfca47c3ab5fa0861c8f4c34/FLAG6ce50841f [2024-11-13 21:17:49,805 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_583bfeb2-8830-4523-a788-33b69aa10da0/bin/ukojak-verify-EEHR8qb7sm/data/3a8ef99f3/cba6bd2fbfca47c3ab5fa0861c8f4c34 [2024-11-13 21:17:49,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:17:49,810 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:17:49,813 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:17:49,813 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:17:49,818 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:17:49,819 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:17:49" (1/1) ... [2024-11-13 21:17:49,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42773dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:49, skipping insertion in model container [2024-11-13 21:17:49,822 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:17:49" (1/1) ... [2024-11-13 21:17:49,867 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:17:50,216 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_583bfeb2-8830-4523-a788-33b69aa10da0/sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i[24211,24224] [2024-11-13 21:17:50,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:17:50,231 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:17:50,281 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_583bfeb2-8830-4523-a788-33b69aa10da0/sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i[24211,24224] [2024-11-13 21:17:50,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:17:50,316 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:17:50,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:50 WrapperNode [2024-11-13 21:17:50,317 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:17:50,318 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:17:50,318 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:17:50,318 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:17:50,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:50" (1/1) ... [2024-11-13 21:17:50,336 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:50" (1/1) ... [2024-11-13 21:17:50,357 INFO L138 Inliner]: procedures = 122, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2024-11-13 21:17:50,358 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:17:50,358 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:17:50,359 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:17:50,359 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:17:50,366 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:50" (1/1) ... [2024-11-13 21:17:50,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:50" (1/1) ... [2024-11-13 21:17:50,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:50" (1/1) ... [2024-11-13 21:17:50,370 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:50" (1/1) ... [2024-11-13 21:17:50,378 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:50" (1/1) ... [2024-11-13 21:17:50,386 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:50" (1/1) ... [2024-11-13 21:17:50,387 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:50" (1/1) ... [2024-11-13 21:17:50,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:50" (1/1) ... [2024-11-13 21:17:50,393 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:17:50,394 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:17:50,394 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:17:50,394 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:17:50,399 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:17:50" (1/1) ... [2024-11-13 21:17:50,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:17:50,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_583bfeb2-8830-4523-a788-33b69aa10da0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:17:50,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_583bfeb2-8830-4523-a788-33b69aa10da0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:17:50,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_583bfeb2-8830-4523-a788-33b69aa10da0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:17:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2024-11-13 21:17:50,480 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2024-11-13 21:17:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:17:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:17:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 21:17:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:17:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 21:17:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 21:17:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:17:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:17:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:17:50,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:17:50,629 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:17:50,632 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:17:50,656 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2024-11-13 21:17:50,867 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 21:17:50,867 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:17:50,902 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:17:50,903 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 21:17:50,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:17:50 BoogieIcfgContainer [2024-11-13 21:17:50,903 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:17:50,904 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:17:50,904 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:17:50,914 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:17:50,914 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:17:50" (1/1) ... [2024-11-13 21:17:50,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:17:50,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:50,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-11-13 21:17:50,977 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-11-13 21:17:50,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:17:50,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:50,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:51,328 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 21:17:51,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:51,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-11-13 21:17:51,380 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-11-13 21:17:51,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:17:51,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:51,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:51,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:17:51,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:51,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2024-11-13 21:17:51,647 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2024-11-13 21:17:51,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 21:17:51,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:51,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:51,905 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:17:52,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:52,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2024-11-13 21:17:52,023 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2024-11-13 21:17:52,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:17:52,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:52,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:52,294 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:17:52,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:52,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2024-11-13 21:17:52,386 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2024-11-13 21:17:52,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:17:52,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:52,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:54,031 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:17:56,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:56,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 47 states and 68 transitions. [2024-11-13 21:17:56,330 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2024-11-13 21:17:56,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 21:17:56,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:56,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:17:56,570 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:17:57,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:17:57,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 34 states and 42 transitions. [2024-11-13 21:17:57,290 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2024-11-13 21:17:57,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 21:17:57,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:17:57,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:17:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:00,041 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:18:05,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:05,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2024-11-13 21:18:05,332 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2024-11-13 21:18:05,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:18:05,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:05,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:18:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:07,329 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 19 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:18:09,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:09,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 52 transitions. [2024-11-13 21:18:09,679 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2024-11-13 21:18:09,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 21:18:09,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:09,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:18:09,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:13,934 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:18:24,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:24,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 46 states and 67 transitions. [2024-11-13 21:18:24,935 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 67 transitions. [2024-11-13 21:18:24,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 21:18:24,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:24,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:18:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:28,017 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 5 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:18:35,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:35,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 49 states and 73 transitions. [2024-11-13 21:18:35,862 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2024-11-13 21:18:35,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 21:18:35,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:35,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:18:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:18:42,581 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 4 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:18:58,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:18:58,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 52 states and 78 transitions. [2024-11-13 21:18:58,677 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-13 21:18:58,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 21:18:58,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:18:58,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:18:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:19:03,689 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 5 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:19:17,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:19:17,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 56 states and 84 transitions. [2024-11-13 21:19:17,336 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 84 transitions. [2024-11-13 21:19:17,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 21:19:17,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:19:17,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:19:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:19:27,803 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:20:04,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:04,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 65 states and 102 transitions. [2024-11-13 21:20:04,886 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 102 transitions. [2024-11-13 21:20:04,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 21:20:04,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:04,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:13,686 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:20:35,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:20:35,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 74 states and 117 transitions. [2024-11-13 21:20:35,969 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 117 transitions. [2024-11-13 21:20:35,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 21:20:35,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:20:35,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:20:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:20:47,889 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 11 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:21:19,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:21:19,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 85 states and 136 transitions. [2024-11-13 21:21:19,310 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 136 transitions. [2024-11-13 21:21:19,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 21:21:19,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:21:19,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:21:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:21:31,146 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:22:10,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:22:10,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 103 states and 172 transitions. [2024-11-13 21:22:10,456 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 172 transitions. [2024-11-13 21:22:10,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 21:22:10,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:22:10,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:22:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:22:26,253 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:23:13,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:13,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 109 states and 187 transitions. [2024-11-13 21:23:13,261 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 187 transitions. [2024-11-13 21:23:13,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 21:23:13,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:13,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:23:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:23:26,613 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:23:49,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:23:49,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 115 states and 196 transitions. [2024-11-13 21:23:49,962 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 196 transitions. [2024-11-13 21:23:49,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 21:23:49,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:23:49,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:23:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:00,973 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 28 proven. 49 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:24:14,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:14,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 118 states and 200 transitions. [2024-11-13 21:24:14,022 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 200 transitions. [2024-11-13 21:24:14,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 21:24:14,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:14,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:24:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:24:30,434 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 26 proven. 51 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:24:54,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:24:54,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 52 states and 59 transitions. [2024-11-13 21:24:54,265 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2024-11-13 21:24:54,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 21:24:54,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:24:54,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:24:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:25:13,987 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:26:45,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:26:45,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 65 states and 78 transitions. [2024-11-13 21:26:45,169 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 78 transitions. [2024-11-13 21:26:45,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 21:26:45,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:26:45,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:26:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:27:10,443 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:27:53,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:27:53,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 56 states and 65 transitions. [2024-11-13 21:27:53,520 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 65 transitions. [2024-11-13 21:27:53,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 21:27:53,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:27:53,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:27:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:28:23,159 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:30:33,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:33,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 69 states and 88 transitions. [2024-11-13 21:30:33,640 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2024-11-13 21:30:33,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 21:30:33,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:33,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:30:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:31:04,665 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.