./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e16e70-54ab-4727-b117-315f48ded17d/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e16e70-54ab-4727-b117-315f48ded17d/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_87e16e70-54ab-4727-b117-315f48ded17d/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e16e70-54ab-4727-b117-315f48ded17d/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e16e70-54ab-4727-b117-315f48ded17d/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_87e16e70-54ab-4727-b117-315f48ded17d/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 4be4b344509b887bc91f2389f98de1e4ff745494aee0f078864fd49e79b0b4b8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:03:14,580 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:03:14,676 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e16e70-54ab-4727-b117-315f48ded17d/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:03:14,685 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:03:14,685 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:03:14,722 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:03:14,723 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:03:14,723 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:03:14,723 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:03:14,723 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:03:14,724 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:03:14,724 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:03:14,724 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:03:14,725 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:03:14,726 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:03:14,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:03:14,727 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:03:14,727 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:03:14,727 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:03:14,727 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:03:14,727 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:03:14,727 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:03:14,727 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:03:14,727 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:03:14,727 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:03:14,728 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:03:14,728 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:03:14,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:03:14,728 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:03:14,728 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:03:14,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:03:14,728 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:03:14,728 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:03:14,728 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_87e16e70-54ab-4727-b117-315f48ded17d/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 -> 4be4b344509b887bc91f2389f98de1e4ff745494aee0f078864fd49e79b0b4b8 [2024-11-13 23:03:15,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:03:15,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:03:15,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:03:15,102 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:03:15,102 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:03:15,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e16e70-54ab-4727-b117-315f48ded17d/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i Unable to find full path for "g++" [2024-11-13 23:03:16,960 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:03:17,238 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:03:17,239 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e16e70-54ab-4727-b117-315f48ded17d/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i [2024-11-13 23:03:17,246 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e16e70-54ab-4727-b117-315f48ded17d/bin/ukojak-verify-EEHR8qb7sm/data/2f122a4ee/a1d34346c490468982e482c1c646059e/FLAGa88b813ef [2024-11-13 23:03:17,266 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e16e70-54ab-4727-b117-315f48ded17d/bin/ukojak-verify-EEHR8qb7sm/data/2f122a4ee/a1d34346c490468982e482c1c646059e [2024-11-13 23:03:17,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:03:17,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:03:17,275 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:03:17,275 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:03:17,281 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:03:17,283 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:03:17" (1/1) ... [2024-11-13 23:03:17,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@296ce343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:17, skipping insertion in model container [2024-11-13 23:03:17,287 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:03:17" (1/1) ... [2024-11-13 23:03:17,305 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:03:17,499 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_87e16e70-54ab-4727-b117-315f48ded17d/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i[893,906] [2024-11-13 23:03:17,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:03:17,538 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:03:17,553 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_87e16e70-54ab-4727-b117-315f48ded17d/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i[893,906] [2024-11-13 23:03:17,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:03:17,583 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:03:17,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:17 WrapperNode [2024-11-13 23:03:17,585 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:03:17,586 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:03:17,586 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:03:17,586 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:03:17,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:17" (1/1) ... [2024-11-13 23:03:17,606 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:17" (1/1) ... [2024-11-13 23:03:17,627 INFO L138 Inliner]: procedures = 16, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2024-11-13 23:03:17,628 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:03:17,629 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:03:17,629 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:03:17,630 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:03:17,638 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:17" (1/1) ... [2024-11-13 23:03:17,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:17" (1/1) ... [2024-11-13 23:03:17,640 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:17" (1/1) ... [2024-11-13 23:03:17,641 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:17" (1/1) ... [2024-11-13 23:03:17,650 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:17" (1/1) ... [2024-11-13 23:03:17,653 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:17" (1/1) ... [2024-11-13 23:03:17,654 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:17" (1/1) ... [2024-11-13 23:03:17,659 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:17" (1/1) ... [2024-11-13 23:03:17,661 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:03:17,662 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:03:17,662 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:03:17,662 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:03:17,667 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:03:17" (1/1) ... [2024-11-13 23:03:17,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:03:17,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e16e70-54ab-4727-b117-315f48ded17d/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:03:17,706 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e16e70-54ab-4727-b117-315f48ded17d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:03:17,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e16e70-54ab-4727-b117-315f48ded17d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:03:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:03:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:03:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:03:17,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:03:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 23:03:17,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 23:03:17,802 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:03:17,805 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:03:17,996 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-13 23:03:17,997 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:03:18,036 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:03:18,038 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 23:03:18,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:03:18 BoogieIcfgContainer [2024-11-13 23:03:18,039 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:03:18,039 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:03:18,040 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:03:18,049 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:03:18,049 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:03:18" (1/1) ... [2024-11-13 23:03:18,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:03:18,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:18,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2024-11-13 23:03:18,133 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2024-11-13 23:03:18,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:03:18,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:18,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:18,321 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 23:03:18,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:18,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-11-13 23:03:18,363 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-13 23:03:18,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 23:03:18,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:18,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:18,677 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 23:03:18,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:18,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 51 transitions. [2024-11-13 23:03:18,807 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2024-11-13 23:03:18,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 23:03:18,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:18,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:18,945 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 23:03:18,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:18,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 52 transitions. [2024-11-13 23:03:18,970 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2024-11-13 23:03:18,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 23:03:18,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:18,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:18,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:19,126 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 23:03:19,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:19,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 52 transitions. [2024-11-13 23:03:19,158 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2024-11-13 23:03:19,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 23:03:19,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:19,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:19,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:03:19,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:19,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 59 transitions. [2024-11-13 23:03:19,526 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2024-11-13 23:03:19,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 23:03:19,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:19,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:19,688 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:03:19,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:19,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 38 states and 60 transitions. [2024-11-13 23:03:19,738 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2024-11-13 23:03:19,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 23:03:19,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:19,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:19,861 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:03:19,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:19,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 62 transitions. [2024-11-13 23:03:19,906 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2024-11-13 23:03:19,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 23:03:19,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:19,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:20,034 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 23:03:20,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:20,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 46 states and 75 transitions. [2024-11-13 23:03:20,344 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 75 transitions. [2024-11-13 23:03:20,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 23:03:20,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:20,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:20,440 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 23:03:20,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:20,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 47 states and 76 transitions. [2024-11-13 23:03:20,471 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 76 transitions. [2024-11-13 23:03:20,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 23:03:20,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:20,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:20,617 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 23:03:21,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:21,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 91 transitions. [2024-11-13 23:03:21,146 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 91 transitions. [2024-11-13 23:03:21,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 23:03:21,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:21,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:21,353 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:03:21,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:21,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 61 states and 107 transitions. [2024-11-13 23:03:21,868 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 107 transitions. [2024-11-13 23:03:21,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 23:03:21,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:21,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:21,952 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:03:21,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:21,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 62 states and 108 transitions. [2024-11-13 23:03:21,984 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 108 transitions. [2024-11-13 23:03:21,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 23:03:21,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:21,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:22,182 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 23:03:23,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:23,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 70 states and 132 transitions. [2024-11-13 23:03:23,101 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 132 transitions. [2024-11-13 23:03:23,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 23:03:23,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:23,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:23,187 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 23:03:24,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:24,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 75 states and 144 transitions. [2024-11-13 23:03:24,013 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 144 transitions. [2024-11-13 23:03:24,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 23:03:24,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:24,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:24,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:24,140 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 23:03:24,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:24,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 80 states and 155 transitions. [2024-11-13 23:03:24,817 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 155 transitions. [2024-11-13 23:03:24,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 23:03:24,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:24,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:24,970 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 23:03:25,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:25,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 79 states and 150 transitions. [2024-11-13 23:03:25,177 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 150 transitions. [2024-11-13 23:03:25,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 23:03:25,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:25,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:25,332 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 23:03:26,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:26,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 86 states and 163 transitions. [2024-11-13 23:03:26,227 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 163 transitions. [2024-11-13 23:03:26,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 23:03:26,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:26,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:26,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:26,563 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 23:03:28,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:28,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 99 states and 191 transitions. [2024-11-13 23:03:28,068 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 191 transitions. [2024-11-13 23:03:28,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 23:03:28,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:28,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:28,245 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-11-13 23:03:29,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:29,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 107 states and 209 transitions. [2024-11-13 23:03:29,380 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 209 transitions. [2024-11-13 23:03:29,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 23:03:29,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:29,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:29,586 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-13 23:03:30,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:30,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 115 states and 226 transitions. [2024-11-13 23:03:30,916 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 226 transitions. [2024-11-13 23:03:30,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-13 23:03:30,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:30,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:31,031 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 23:03:31,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:31,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 120 states and 245 transitions. [2024-11-13 23:03:31,887 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 245 transitions. [2024-11-13 23:03:31,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 23:03:31,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:31,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:32,245 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-13 23:03:33,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:33,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 133 states and 274 transitions. [2024-11-13 23:03:33,836 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 274 transitions. [2024-11-13 23:03:33,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 23:03:33,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:33,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:34,010 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 30 proven. 12 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 23:03:34,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:34,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 80 states and 139 transitions. [2024-11-13 23:03:34,518 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 139 transitions. [2024-11-13 23:03:34,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 23:03:34,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:34,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:35,185 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 48 proven. 16 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-13 23:03:37,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:37,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 90 states and 159 transitions. [2024-11-13 23:03:37,322 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 159 transitions. [2024-11-13 23:03:37,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-13 23:03:37,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:37,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:37,435 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2024-11-13 23:03:37,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:37,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 93 states and 164 transitions. [2024-11-13 23:03:37,836 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 164 transitions. [2024-11-13 23:03:37,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-13 23:03:37,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:37,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:38,328 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 48 proven. 28 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-13 23:03:40,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:40,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 101 states and 182 transitions. [2024-11-13 23:03:40,099 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 182 transitions. [2024-11-13 23:03:40,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-13 23:03:40,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:40,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:40,452 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 52 proven. 40 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-13 23:03:41,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:41,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 105 states and 188 transitions. [2024-11-13 23:03:41,291 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 188 transitions. [2024-11-13 23:03:41,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 23:03:41,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:41,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:42,008 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 56 proven. 46 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-13 23:03:42,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:42,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 110 states and 197 transitions. [2024-11-13 23:03:42,843 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 197 transitions. [2024-11-13 23:03:42,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-13 23:03:42,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:42,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:42,946 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2024-11-13 23:03:43,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:43,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 112 states and 200 transitions. [2024-11-13 23:03:43,503 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 200 transitions. [2024-11-13 23:03:43,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-13 23:03:43,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:03:43,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:03:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:03:43,699 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 68 proven. 44 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-11-13 23:03:44,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:03:44,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 38 states and 60 transitions. [2024-11-13 23:03:44,262 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 60 transitions. [2024-11-13 23:03:44,263 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 23:03:44,263 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2024-11-13 23:03:44,279 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 23:03:44,653 INFO L77 FloydHoareUtils]: At program point L31(line 31) the Hoare annotation is: true [2024-11-13 23:03:44,653 INFO L77 FloydHoareUtils]: At program point L31-1(lines 25 56) the Hoare annotation is: (<= 2 |ULTIMATE.start_main_~bufferlen~0#1|) [2024-11-13 23:03:44,654 INFO L77 FloydHoareUtils]: At program point L52(line 52) the Hoare annotation is: true [2024-11-13 23:03:44,654 INFO L77 FloydHoareUtils]: At program point L52-1(line 52) the Hoare annotation is: true [2024-11-13 23:03:44,654 INFO L77 FloydHoareUtils]: At program point L32(lines 25 56) the Hoare annotation is: (<= 2 |ULTIMATE.start_main_~bufferlen~0#1|) [2024-11-13 23:03:44,654 INFO L77 FloydHoareUtils]: At program point L53(line 53) the Hoare annotation is: true [2024-11-13 23:03:44,654 INFO L77 FloydHoareUtils]: At program point L49(line 49) the Hoare annotation is: true [2024-11-13 23:03:44,654 INFO L77 FloydHoareUtils]: At program point L41(line 41) the Hoare annotation is: true [2024-11-13 23:03:44,655 INFO L77 FloydHoareUtils]: At program point L41-1(line 41) the Hoare annotation is: true [2024-11-13 23:03:44,655 INFO L77 FloydHoareUtils]: At program point L37-1(lines 37 48) the Hoare annotation is: true [2024-11-13 23:03:44,655 INFO L77 FloydHoareUtils]: At program point L37-3(lines 37 48) the Hoare annotation is: true [2024-11-13 23:03:44,655 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 23:03:44,655 INFO L77 FloydHoareUtils]: At program point L50(line 50) the Hoare annotation is: true [2024-11-13 23:03:44,655 INFO L77 FloydHoareUtils]: At program point L46(line 46) the Hoare annotation is: true [2024-11-13 23:03:44,655 INFO L77 FloydHoareUtils]: At program point L46-1(line 46) the Hoare annotation is: true [2024-11-13 23:03:44,655 INFO L77 FloydHoareUtils]: At program point L42(line 42) the Hoare annotation is: true [2024-11-13 23:03:44,656 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 23:03:44,656 INFO L77 FloydHoareUtils]: At program point L55(line 55) the Hoare annotation is: true [2024-11-13 23:03:44,656 INFO L77 FloydHoareUtils]: At program point L47(lines 37 48) the Hoare annotation is: true [2024-11-13 23:03:44,656 INFO L77 FloydHoareUtils]: At program point L39(lines 39 40) the Hoare annotation is: true [2024-11-13 23:03:44,656 INFO L77 FloydHoareUtils]: At program point L18-2(lines 17 22) the Hoare annotation is: true [2024-11-13 23:03:44,656 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 17 22) the Hoare annotation is: true [2024-11-13 23:03:44,657 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 17 22) the Hoare annotation is: true [2024-11-13 23:03:44,657 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: true [2024-11-13 23:03:44,657 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) the Hoare annotation is: true [2024-11-13 23:03:44,657 INFO L77 FloydHoareUtils]: At program point L18(lines 18 20) the Hoare annotation is: true [2024-11-13 23:03:44,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:03:44 ImpRootNode [2024-11-13 23:03:44,673 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 23:03:44,674 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 23:03:44,674 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 23:03:44,674 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 23:03:44,675 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:03:18" (3/4) ... [2024-11-13 23:03:44,682 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 23:03:44,686 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-13 23:03:44,690 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-13 23:03:44,691 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 23:03:44,691 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 23:03:44,691 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 23:03:44,792 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e16e70-54ab-4727-b117-315f48ded17d/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 23:03:44,792 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e16e70-54ab-4727-b117-315f48ded17d/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 23:03:44,792 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 23:03:44,794 INFO L158 Benchmark]: Toolchain (without parser) took 27521.56ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 118.8MB in the beginning and 202.1MB in the end (delta: -83.3MB). Peak memory consumption was 200.4MB. Max. memory is 16.1GB. [2024-11-13 23:03:44,794 INFO L158 Benchmark]: CDTParser took 1.51ms. Allocated memory is still 142.6MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:03:44,795 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.47ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 107.6MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:03:44,796 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.60ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:03:44,796 INFO L158 Benchmark]: Boogie Preprocessor took 31.64ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.7MB in the end (delta: 570.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:03:44,797 INFO L158 Benchmark]: RCFGBuilder took 377.41ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 93.8MB in the end (delta: 11.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 23:03:44,798 INFO L158 Benchmark]: CodeCheck took 26633.81ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 93.8MB in the beginning and 210.3MB in the end (delta: -116.5MB). Peak memory consumption was 166.9MB. Max. memory is 16.1GB. [2024-11-13 23:03:44,799 INFO L158 Benchmark]: Witness Printer took 118.65ms. Allocated memory is still 427.8MB. Free memory was 210.3MB in the beginning and 202.1MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:03:44,802 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 26.2s, OverallIterations: 31, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3667 SdHoareTripleChecker+Valid, 22.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1948 mSDsluCounter, 4875 SdHoareTripleChecker+Invalid, 19.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3119 mSDsCounter, 3461 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11470 IncrementalHoareTripleChecker+Invalid, 14931 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3461 mSolverCounterUnsat, 1756 mSDtfsCounter, 11470 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13273 GetRequests, 12690 SyntacticMatches, 263 SemanticMatches, 320 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55594 ImplicationChecksByTransitivity, 19.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 1347 NumberOfCodeBlocks, 1347 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 1317 ConstructedInterpolants, 0 QuantifiedInterpolants, 3945 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 16 PerfectInterpolantSequences, 3543/3771 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.51ms. Allocated memory is still 142.6MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.47ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 107.6MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.60ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.64ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.7MB in the end (delta: 570.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 377.41ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 93.8MB in the end (delta: 11.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 26633.81ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 93.8MB in the beginning and 210.3MB in the end (delta: -116.5MB). Peak memory consumption was 166.9MB. Max. memory is 16.1GB. * Witness Printer took 118.65ms. Allocated memory is still 427.8MB. Free memory was 210.3MB in the beginning and 202.1MB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 23:03:44,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87e16e70-54ab-4727-b117-315f48ded17d/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE