./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/linear_search.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_60c2b2e4-deda-4f83-8f22-8298226d531c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c2b2e4-deda-4f83-8f22-8298226d531c/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_60c2b2e4-deda-4f83-8f22-8298226d531c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c2b2e4-deda-4f83-8f22-8298226d531c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/linear_search.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c2b2e4-deda-4f83-8f22-8298226d531c/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_60c2b2e4-deda-4f83-8f22-8298226d531c/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 5daf86ff8189a9471a20a947a9c78ff63bc56ed2dde2c379166a5ef7ff47fae4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:40:12,324 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:40:12,418 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c2b2e4-deda-4f83-8f22-8298226d531c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:40:12,427 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:40:12,427 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:40:12,467 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:40:12,468 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:40:12,468 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:40:12,469 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:40:12,469 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:40:12,469 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:40:12,469 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:40:12,469 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:40:12,469 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:40:12,469 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:40:12,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:40:12,469 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:40:12,470 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:40:12,470 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:40:12,470 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:40:12,470 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:40:12,470 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:40:12,470 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:40:12,470 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:40:12,470 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:40:12,470 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:40:12,471 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:40:12,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:40:12,471 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:40:12,471 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:40:12,471 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:40:12,471 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:40:12,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:40:12,471 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_60c2b2e4-deda-4f83-8f22-8298226d531c/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 -> 5daf86ff8189a9471a20a947a9c78ff63bc56ed2dde2c379166a5ef7ff47fae4 [2024-11-13 20:40:12,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:40:12,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:40:12,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:40:12,772 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:40:12,772 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:40:12,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c2b2e4-deda-4f83-8f22-8298226d531c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loops/linear_search.c Unable to find full path for "g++" [2024-11-13 20:40:14,667 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:40:14,950 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:40:14,951 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c2b2e4-deda-4f83-8f22-8298226d531c/sv-benchmarks/c/loops/linear_search.c [2024-11-13 20:40:14,959 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c2b2e4-deda-4f83-8f22-8298226d531c/bin/ukojak-verify-EEHR8qb7sm/data/aa25062ee/95ca53997dfd4b158aec923f73a1defa/FLAGf284f50f7 [2024-11-13 20:40:14,974 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c2b2e4-deda-4f83-8f22-8298226d531c/bin/ukojak-verify-EEHR8qb7sm/data/aa25062ee/95ca53997dfd4b158aec923f73a1defa [2024-11-13 20:40:14,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:40:14,978 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:40:14,979 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:40:14,979 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:40:14,984 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:40:14,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:40:14" (1/1) ... [2024-11-13 20:40:14,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f52dda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:14, skipping insertion in model container [2024-11-13 20:40:14,986 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:40:14" (1/1) ... [2024-11-13 20:40:15,000 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:40:15,143 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_60c2b2e4-deda-4f83-8f22-8298226d531c/sv-benchmarks/c/loops/linear_search.c[383,396] [2024-11-13 20:40:15,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:40:15,178 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:40:15,187 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_60c2b2e4-deda-4f83-8f22-8298226d531c/sv-benchmarks/c/loops/linear_search.c[383,396] [2024-11-13 20:40:15,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:40:15,214 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:40:15,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:15 WrapperNode [2024-11-13 20:40:15,215 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:40:15,216 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:40:15,216 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:40:15,216 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:40:15,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:15" (1/1) ... [2024-11-13 20:40:15,229 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:15" (1/1) ... [2024-11-13 20:40:15,245 INFO L138 Inliner]: procedures = 17, calls = 13, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57 [2024-11-13 20:40:15,245 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:40:15,246 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:40:15,246 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:40:15,246 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:40:15,253 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:15" (1/1) ... [2024-11-13 20:40:15,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:15" (1/1) ... [2024-11-13 20:40:15,255 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:15" (1/1) ... [2024-11-13 20:40:15,255 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:15" (1/1) ... [2024-11-13 20:40:15,260 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:15" (1/1) ... [2024-11-13 20:40:15,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:15" (1/1) ... [2024-11-13 20:40:15,268 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:15" (1/1) ... [2024-11-13 20:40:15,269 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:15" (1/1) ... [2024-11-13 20:40:15,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:40:15,272 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:40:15,272 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:40:15,272 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:40:15,273 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:40:15" (1/1) ... [2024-11-13 20:40:15,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:40:15,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c2b2e4-deda-4f83-8f22-8298226d531c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:40:15,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c2b2e4-deda-4f83-8f22-8298226d531c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:40:15,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60c2b2e4-deda-4f83-8f22-8298226d531c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:40:15,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:40:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:40:15,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 20:40:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 20:40:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:40:15,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:40:15,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 20:40:15,446 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:40:15,448 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:40:15,665 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-13 20:40:15,666 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:40:15,769 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:40:15,769 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:40:15,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:40:15 BoogieIcfgContainer [2024-11-13 20:40:15,770 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:40:15,770 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:40:15,770 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:40:15,781 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:40:15,781 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:40:15" (1/1) ... [2024-11-13 20:40:15,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:40:15,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:40:15,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2024-11-13 20:40:15,844 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2024-11-13 20:40:15,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 20:40:15,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:40:15,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:40:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:40:16,027 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 20:40:16,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:40:16,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2024-11-13 20:40:16,075 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-11-13 20:40:16,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 20:40:16,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:40:16,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:40:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:40:16,506 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 20:40:16,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:40:16,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-13 20:40:16,609 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-13 20:40:16,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:40:16,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:40:16,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:40:16,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:40:17,008 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 20:40:17,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:40:17,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-13 20:40:17,188 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-13 20:40:17,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 20:40:17,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:40:17,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:40:17,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:40:20,029 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:40:21,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:40:21,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 22 states and 35 transitions. [2024-11-13 20:40:21,259 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 35 transitions. [2024-11-13 20:40:21,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:40:21,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:40:21,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:40:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:40:22,817 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 20:40:24,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:40:24,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2024-11-13 20:40:24,224 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2024-11-13 20:40:24,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 20:40:24,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:40:24,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:40:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:40:30,392 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:40:37,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:40:37,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 36 states and 62 transitions. [2024-11-13 20:40:37,299 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 62 transitions. [2024-11-13 20:40:37,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 20:40:37,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:40:37,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:40:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:40:44,521 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:40:55,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:40:55,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 43 states and 76 transitions. [2024-11-13 20:40:55,320 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 76 transitions. [2024-11-13 20:40:55,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 20:40:55,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:40:55,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:40:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:41:01,991 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:41:18,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:18,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 52 states and 89 transitions. [2024-11-13 20:41:18,842 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2024-11-13 20:41:18,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 20:41:18,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:18,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:41:25,670 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:41:45,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:45,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 67 states and 115 transitions. [2024-11-13 20:41:45,655 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 115 transitions. [2024-11-13 20:41:45,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 20:41:45,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:45,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:41:52,311 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:42:13,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:13,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 79 states and 137 transitions. [2024-11-13 20:42:13,150 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 137 transitions. [2024-11-13 20:42:13,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 20:42:13,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:13,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:13,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:19,126 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:42:31,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:31,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 87 states and 148 transitions. [2024-11-13 20:42:31,089 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 148 transitions. [2024-11-13 20:42:31,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 20:42:31,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:31,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:42:31,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:37,701 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:43:02,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:43:02,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 94 states and 159 transitions. [2024-11-13 20:43:02,135 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 159 transitions. [2024-11-13 20:43:02,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 20:43:02,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:43:02,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:43:02,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:12,898 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:43:32,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:43:32,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 99 states and 169 transitions. [2024-11-13 20:43:32,106 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 169 transitions. [2024-11-13 20:43:32,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 20:43:32,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:43:32,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:43:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:41,425 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:44:00,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:00,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 103 states and 180 transitions. [2024-11-13 20:44:00,562 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 180 transitions. [2024-11-13 20:44:00,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 20:44:00,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:00,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:44:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:17,314 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:45:06,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:06,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 115 states and 209 transitions. [2024-11-13 20:45:06,234 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 209 transitions. [2024-11-13 20:45:06,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 20:45:06,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:06,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:45:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:25,351 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:45:47,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:47,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 117 states and 214 transitions. [2024-11-13 20:45:47,630 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 214 transitions. [2024-11-13 20:45:47,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 20:45:47,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:47,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:45:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:03,244 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:46:26,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:26,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 120 states and 221 transitions. [2024-11-13 20:46:26,810 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 221 transitions. [2024-11-13 20:46:26,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 20:46:26,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:26,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:46:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:43,628 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:47:12,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:12,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 123 states and 223 transitions. [2024-11-13 20:47:12,638 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 223 transitions. [2024-11-13 20:47:12,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 20:47:12,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:12,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:47:12,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:30,695 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:48:17,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:17,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 130 states and 233 transitions. [2024-11-13 20:48:17,975 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 233 transitions. [2024-11-13 20:48:17,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 20:48:17,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:17,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:48:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:31,622 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:49:07,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:07,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 138 states and 246 transitions. [2024-11-13 20:49:07,262 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 246 transitions. [2024-11-13 20:49:07,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 20:49:07,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:07,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:49:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:26,516 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:50:44,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:44,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 157 states and 273 transitions. [2024-11-13 20:50:44,010 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 273 transitions. [2024-11-13 20:50:44,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 20:50:44,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:44,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:50:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:07,104 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:52:10,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:10,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 168 states and 298 transitions. [2024-11-13 20:52:10,659 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 298 transitions. [2024-11-13 20:52:10,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 20:52:10,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:10,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:52:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:34,645 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:54:11,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:11,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 175 states and 313 transitions. [2024-11-13 20:54:11,306 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 313 transitions. [2024-11-13 20:54:11,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 20:54:11,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:11,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:54:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat