./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.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_c278e2ae-cdbf-487f-b8b0-d209f0db786a/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278e2ae-cdbf-487f-b8b0-d209f0db786a/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_c278e2ae-cdbf-487f-b8b0-d209f0db786a/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278e2ae-cdbf-487f-b8b0-d209f0db786a/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.BOUNDED-12.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278e2ae-cdbf-487f-b8b0-d209f0db786a/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_c278e2ae-cdbf-487f-b8b0-d209f0db786a/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 65159196aa732cf84d788dcb31500c216d665703806e14a7c6f7047ab62d591b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:48:40,348 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:48:40,417 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278e2ae-cdbf-487f-b8b0-d209f0db786a/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:48:40,422 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:48:40,426 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:48:40,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:48:40,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:48:40,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:48:40,449 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:48:40,449 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:48:40,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:48:40,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:48:40,449 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:48:40,449 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:48:40,450 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:48:40,450 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:48:40,450 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:48:40,450 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:48:40,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:48:40,450 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:48:40,451 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:48:40,451 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:48:40,451 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:48:40,451 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:48:40,451 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:48:40,451 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:48:40,451 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:48:40,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:48:40,452 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:48:40,452 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:48:40,452 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:48:40,452 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:48:40,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:48:40,453 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_c278e2ae-cdbf-487f-b8b0-d209f0db786a/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 -> 65159196aa732cf84d788dcb31500c216d665703806e14a7c6f7047ab62d591b [2024-11-13 20:48:40,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:48:40,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:48:40,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:48:40,727 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:48:40,728 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:48:40,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278e2ae-cdbf-487f-b8b0-d209f0db786a/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.BOUNDED-12.pals.c Unable to find full path for "g++" [2024-11-13 20:48:42,756 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:48:43,131 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:48:43,132 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278e2ae-cdbf-487f-b8b0-d209f0db786a/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.BOUNDED-12.pals.c [2024-11-13 20:48:43,142 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278e2ae-cdbf-487f-b8b0-d209f0db786a/bin/ukojak-verify-EEHR8qb7sm/data/62b17a115/3c09c339ecac4d5d8c95d292991e2175/FLAG755703f14 [2024-11-13 20:48:43,158 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278e2ae-cdbf-487f-b8b0-d209f0db786a/bin/ukojak-verify-EEHR8qb7sm/data/62b17a115/3c09c339ecac4d5d8c95d292991e2175 [2024-11-13 20:48:43,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:48:43,162 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:48:43,163 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:48:43,163 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:48:43,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:48:43,168 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:48:43" (1/1) ... [2024-11-13 20:48:43,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f1b4a03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:43, skipping insertion in model container [2024-11-13 20:48:43,170 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:48:43" (1/1) ... [2024-11-13 20:48:43,215 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:48:43,504 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_c278e2ae-cdbf-487f-b8b0-d209f0db786a/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.BOUNDED-12.pals.c[15075,15088] [2024-11-13 20:48:43,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:48:43,518 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:48:43,572 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_c278e2ae-cdbf-487f-b8b0-d209f0db786a/sv-benchmarks/c/seq-mthreaded/pals_lcr.6.ufo.BOUNDED-12.pals.c[15075,15088] [2024-11-13 20:48:43,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:48:43,588 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:48:43,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:43 WrapperNode [2024-11-13 20:48:43,589 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:48:43,590 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:48:43,590 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:48:43,590 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:48:43,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:43" (1/1) ... [2024-11-13 20:48:43,606 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:43" (1/1) ... [2024-11-13 20:48:43,639 INFO L138 Inliner]: procedures = 25, calls = 17, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 397 [2024-11-13 20:48:43,639 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:48:43,639 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:48:43,640 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:48:43,640 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:48:43,647 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:43" (1/1) ... [2024-11-13 20:48:43,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:43" (1/1) ... [2024-11-13 20:48:43,650 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:43" (1/1) ... [2024-11-13 20:48:43,650 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:43" (1/1) ... [2024-11-13 20:48:43,657 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:43" (1/1) ... [2024-11-13 20:48:43,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:43" (1/1) ... [2024-11-13 20:48:43,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:43" (1/1) ... [2024-11-13 20:48:43,675 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:43" (1/1) ... [2024-11-13 20:48:43,681 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:48:43,682 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:48:43,682 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:48:43,682 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:48:43,683 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:48:43" (1/1) ... [2024-11-13 20:48:43,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:48:43,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278e2ae-cdbf-487f-b8b0-d209f0db786a/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:48:43,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278e2ae-cdbf-487f-b8b0-d209f0db786a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:48:43,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c278e2ae-cdbf-487f-b8b0-d209f0db786a/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:48:43,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:48:43,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:48:43,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:48:43,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:48:43,894 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:48:43,896 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:48:44,591 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-11-13 20:48:44,592 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:48:45,363 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:48:45,364 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:48:45,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:48:45 BoogieIcfgContainer [2024-11-13 20:48:45,364 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:48:45,365 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:48:45,365 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:48:45,376 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:48:45,376 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:48:45" (1/1) ... [2024-11-13 20:48:45,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:48:45,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:45,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-11-13 20:48:45,448 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-11-13 20:48:45,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:48:45,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:45,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:48,131 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 20:48:48,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:48,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2024-11-13 20:48:48,289 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2024-11-13 20:48:48,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:48:48,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:48,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:48,723 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 20:48:49,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:49,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 17 states and 27 transitions. [2024-11-13 20:48:49,147 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 27 transitions. [2024-11-13 20:48:49,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 20:48:49,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:49,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:50,631 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 20:48:51,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:51,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 21 states and 35 transitions. [2024-11-13 20:48:51,308 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 35 transitions. [2024-11-13 20:48:51,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:48:51,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:51,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:51,636 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 20:48:51,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:51,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2024-11-13 20:48:51,947 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2024-11-13 20:48:51,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 20:48:51,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:51,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:59,809 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:49:06,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:06,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 34 states and 62 transitions. [2024-11-13 20:49:06,052 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2024-11-13 20:49:06,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 20:49:06,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:06,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:49:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:14,280 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:49:23,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:23,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 43 states and 80 transitions. [2024-11-13 20:49:23,916 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 80 transitions. [2024-11-13 20:49:23,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 20:49:23,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:23,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:49:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:24,724 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:49:31,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:31,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 54 states and 104 transitions. [2024-11-13 20:49:31,620 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 104 transitions. [2024-11-13 20:49:31,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 20:49:31,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:31,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:49:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:39,084 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:49:48,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:48,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 65 states and 127 transitions. [2024-11-13 20:49:48,040 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 127 transitions. [2024-11-13 20:49:48,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 20:49:48,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:48,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:49:48,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:50,702 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:50:02,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:02,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 76 states and 163 transitions. [2024-11-13 20:50:02,626 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 163 transitions. [2024-11-13 20:50:02,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 20:50:02,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:02,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:50:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:04,832 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:50:18,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:18,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 87 states and 199 transitions. [2024-11-13 20:50:18,754 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 199 transitions. [2024-11-13 20:50:18,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:50:18,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:18,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:50:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:21,792 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:50:29,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:29,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 98 states and 236 transitions. [2024-11-13 20:50:29,696 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 236 transitions. [2024-11-13 20:50:29,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:50:29,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:29,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:50:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:31,106 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:50:37,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:37,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 106 states and 263 transitions. [2024-11-13 20:50:37,074 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 263 transitions. [2024-11-13 20:50:37,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:50:37,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:37,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:50:37,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:37,476 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:50:41,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:41,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 113 states and 281 transitions. [2024-11-13 20:50:41,887 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 281 transitions. [2024-11-13 20:50:41,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:50:41,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:41,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:50:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:44,716 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:51:00,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:00,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 126 states and 323 transitions. [2024-11-13 20:51:00,308 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 323 transitions. [2024-11-13 20:51:00,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:51:00,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:00,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:51:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:03,166 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:51:10,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:10,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 134 states and 352 transitions. [2024-11-13 20:51:10,066 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 352 transitions. [2024-11-13 20:51:10,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:51:10,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:10,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:51:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:11,501 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:51:26,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:26,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 150 states and 388 transitions. [2024-11-13 20:51:26,065 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 388 transitions. [2024-11-13 20:51:26,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:51:26,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:26,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:51:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:26,433 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:51:27,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:27,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 151 states and 393 transitions. [2024-11-13 20:51:27,609 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 393 transitions. [2024-11-13 20:51:27,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:51:27,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:27,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:51:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:30,085 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:51:33,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:33,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 154 states and 403 transitions. [2024-11-13 20:51:33,454 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 403 transitions. [2024-11-13 20:51:33,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 20:51:33,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:33,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:51:33,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:36,244 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:51:38,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:38,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 155 states and 408 transitions. [2024-11-13 20:51:38,908 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 408 transitions. [2024-11-13 20:51:38,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 20:51:38,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:38,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:51:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:39,064 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-13 20:51:40,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:40,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 155 states and 407 transitions. [2024-11-13 20:51:40,026 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 407 transitions. [2024-11-13 20:51:40,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 20:51:40,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:40,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:51:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:11,939 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:53:39,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:39,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 180 states and 505 transitions. [2024-11-13 20:53:39,119 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 505 transitions. [2024-11-13 20:53:39,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 20:53:39,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:39,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:53:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:00,574 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:57:07,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:07,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 201 states and 580 transitions. [2024-11-13 20:57:07,184 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 580 transitions. [2024-11-13 20:57:07,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 20:57:07,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:07,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:57:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:41,590 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:00:15,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:00:15,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 226 states and 684 transitions. [2024-11-13 21:00:15,980 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 684 transitions. [2024-11-13 21:00:15,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 21:00:15,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:00:15,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:00:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:01:44,676 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.