./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label37.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_a833ab74-5ca1-4510-beeb-bf782b1a9bed/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a833ab74-5ca1-4510-beeb-bf782b1a9bed/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_a833ab74-5ca1-4510-beeb-bf782b1a9bed/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a833ab74-5ca1-4510-beeb-bf782b1a9bed/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label37.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a833ab74-5ca1-4510-beeb-bf782b1a9bed/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_a833ab74-5ca1-4510-beeb-bf782b1a9bed/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 06fd550ecd237ab8f8345f0996e38c68877e3b04d04ee5f9440f9cffb12d9fc8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:14:56,447 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:14:56,539 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a833ab74-5ca1-4510-beeb-bf782b1a9bed/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:14:56,546 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:14:56,546 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:14:56,578 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:14:56,581 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:14:56,581 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:14:56,581 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:14:56,582 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:14:56,583 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:14:56,583 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:14:56,583 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:14:56,584 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:14:56,584 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:14:56,584 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:14:56,584 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:14:56,584 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:14:56,584 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:14:56,585 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:14:56,585 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:14:56,585 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:14:56,585 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:14:56,585 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:14:56,585 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:14:56,586 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:14:56,586 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:14:56,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:14:56,587 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:14:56,587 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:14:56,587 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:14:56,587 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:14:56,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:14:56,587 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_a833ab74-5ca1-4510-beeb-bf782b1a9bed/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 -> 06fd550ecd237ab8f8345f0996e38c68877e3b04d04ee5f9440f9cffb12d9fc8 [2024-11-13 22:14:56,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:14:56,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:14:56,874 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:14:56,875 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:14:56,875 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:14:56,878 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a833ab74-5ca1-4510-beeb-bf782b1a9bed/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem11_label37.c Unable to find full path for "g++" [2024-11-13 22:14:58,770 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:14:59,202 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:14:59,203 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a833ab74-5ca1-4510-beeb-bf782b1a9bed/sv-benchmarks/c/eca-rers2012/Problem11_label37.c [2024-11-13 22:14:59,217 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a833ab74-5ca1-4510-beeb-bf782b1a9bed/bin/ukojak-verify-EEHR8qb7sm/data/a8c79c945/258743f9fee4442582ce47c53ca061f8/FLAG88e3a697e [2024-11-13 22:14:59,347 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a833ab74-5ca1-4510-beeb-bf782b1a9bed/bin/ukojak-verify-EEHR8qb7sm/data/a8c79c945/258743f9fee4442582ce47c53ca061f8 [2024-11-13 22:14:59,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:14:59,351 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:14:59,353 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:14:59,353 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:14:59,356 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:14:59,357 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:14:59" (1/1) ... [2024-11-13 22:14:59,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45e817d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:14:59, skipping insertion in model container [2024-11-13 22:14:59,358 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:14:59" (1/1) ... [2024-11-13 22:14:59,421 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:14:59,707 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_a833ab74-5ca1-4510-beeb-bf782b1a9bed/sv-benchmarks/c/eca-rers2012/Problem11_label37.c[7136,7149] [2024-11-13 22:14:59,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:14:59,996 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:15:00,025 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_a833ab74-5ca1-4510-beeb-bf782b1a9bed/sv-benchmarks/c/eca-rers2012/Problem11_label37.c[7136,7149] [2024-11-13 22:15:00,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:15:00,198 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:15:00,199 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:00 WrapperNode [2024-11-13 22:15:00,199 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:15:00,200 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:15:00,200 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:15:00,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:15:00,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:00" (1/1) ... [2024-11-13 22:15:00,237 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:00" (1/1) ... [2024-11-13 22:15:00,373 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 999 [2024-11-13 22:15:00,374 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:15:00,374 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:15:00,374 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:15:00,375 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:15:00,383 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:00" (1/1) ... [2024-11-13 22:15:00,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:00" (1/1) ... [2024-11-13 22:15:00,407 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:00" (1/1) ... [2024-11-13 22:15:00,407 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:00" (1/1) ... [2024-11-13 22:15:00,457 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:00" (1/1) ... [2024-11-13 22:15:00,466 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:00" (1/1) ... [2024-11-13 22:15:00,479 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:00" (1/1) ... [2024-11-13 22:15:00,486 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:00" (1/1) ... [2024-11-13 22:15:00,517 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:15:00,518 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:15:00,519 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:15:00,519 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:15:00,520 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:15:00" (1/1) ... [2024-11-13 22:15:00,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:15:00,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a833ab74-5ca1-4510-beeb-bf782b1a9bed/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:15:00,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a833ab74-5ca1-4510-beeb-bf782b1a9bed/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:15:00,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a833ab74-5ca1-4510-beeb-bf782b1a9bed/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:15:00,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:15:00,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:15:00,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:15:00,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:15:00,746 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:15:00,747 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:15:02,855 INFO L? ?]: Removed 129 outVars from TransFormulas that were not future-live. [2024-11-13 22:15:02,855 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:15:12,079 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:15:12,080 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:15:12,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:15:12 BoogieIcfgContainer [2024-11-13 22:15:12,080 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:15:12,082 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:15:12,082 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:15:12,094 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:15:12,094 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:15:12" (1/1) ... [2024-11-13 22:15:12,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:15:12,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:12,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 22:15:12,172 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 22:15:12,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:15:12,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:12,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:15:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:15:12,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:15:12,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:15:12,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-13 22:15:12,683 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-13 22:15:12,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:15:12,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:15:12,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:15:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:16:06,637 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:16:07,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:16:07,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-13 22:16:07,303 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-13 22:16:07,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:16:07,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:16:07,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:16:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:18:00,098 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:18:09,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.55s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:18:11,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:18:11,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 30 states and 55 transitions. [2024-11-13 22:18:11,387 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 55 transitions. [2024-11-13 22:18:11,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:18:11,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:18:11,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:18:11,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:19:42,595 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:19:43,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:19:43,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2024-11-13 22:19:43,122 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2024-11-13 22:19:43,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:19:43,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:19:43,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:19:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:20:46,865 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 22:20:57,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:20:58,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:20:58,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2024-11-13 22:20:58,624 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2024-11-13 22:20:58,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:20:58,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:20:58,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:20:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:21:57,553 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 22:21:58,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:21:58,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 47 states and 91 transitions. [2024-11-13 22:21:58,690 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 91 transitions. [2024-11-13 22:21:58,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:21:58,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:21:58,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:21:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:22:54,365 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 22:22:54,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:22:54,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 50 states and 94 transitions. [2024-11-13 22:22:54,758 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 94 transitions. [2024-11-13 22:22:54,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:22:54,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:22:54,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:22:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat