./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label26.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26be83ee-5af0-4143-8533-dc83ec927494/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26be83ee-5af0-4143-8533-dc83ec927494/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26be83ee-5af0-4143-8533-dc83ec927494/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26be83ee-5af0-4143-8533-dc83ec927494/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label26.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26be83ee-5af0-4143-8533-dc83ec927494/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26be83ee-5af0-4143-8533-dc83ec927494/bin/ukojak-verify-CZk0znPC7b --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 19a3ef648ea6e38f7d276220abc8bcbc6382e3dd9d7763e8b9d5f30e7cff149e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:48:31,922 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:48:31,974 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26be83ee-5af0-4143-8533-dc83ec927494/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:48:31,979 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:48:31,979 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:48:31,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:48:31,997 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:48:31,997 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:48:31,998 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:48:31,998 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:48:31,998 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:48:31,998 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:48:31,998 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:48:31,998 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:48:31,998 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:48:31,998 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:48:31,999 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:48:31,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:48:31,999 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:48:31,999 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:48:31,999 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:48:31,999 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:48:31,999 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:48:31,999 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:48:31,999 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:48:31,999 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:48:31,999 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:48:32,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:48:32,000 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:48:32,000 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:48:32,000 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:48:32,000 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:48:32,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:48:32,000 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_26be83ee-5af0-4143-8533-dc83ec927494/bin/ukojak-verify-CZk0znPC7b 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 -> 19a3ef648ea6e38f7d276220abc8bcbc6382e3dd9d7763e8b9d5f30e7cff149e [2024-12-06 01:48:32,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:48:32,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:48:32,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:48:32,230 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:48:32,231 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:48:32,232 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26be83ee-5af0-4143-8533-dc83ec927494/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-rers2012/Problem16_label26.c [2024-12-06 01:48:34,854 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26be83ee-5af0-4143-8533-dc83ec927494/bin/ukojak-verify-CZk0znPC7b/data/3671d3d77/37e2e279f4e54bd2a91bb8e55d4a2675/FLAG4a0aa355c [2024-12-06 01:48:35,143 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:48:35,143 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26be83ee-5af0-4143-8533-dc83ec927494/sv-benchmarks/c/eca-rers2012/Problem16_label26.c [2024-12-06 01:48:35,158 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26be83ee-5af0-4143-8533-dc83ec927494/bin/ukojak-verify-CZk0znPC7b/data/3671d3d77/37e2e279f4e54bd2a91bb8e55d4a2675/FLAG4a0aa355c [2024-12-06 01:48:35,421 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26be83ee-5af0-4143-8533-dc83ec927494/bin/ukojak-verify-CZk0znPC7b/data/3671d3d77/37e2e279f4e54bd2a91bb8e55d4a2675 [2024-12-06 01:48:35,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:48:35,424 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:48:35,425 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:48:35,425 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:48:35,428 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:48:35,428 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:48:35" (1/1) ... [2024-12-06 01:48:35,429 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55daa7fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:35, skipping insertion in model container [2024-12-06 01:48:35,429 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:48:35" (1/1) ... [2024-12-06 01:48:35,466 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:48:35,603 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_26be83ee-5af0-4143-8533-dc83ec927494/sv-benchmarks/c/eca-rers2012/Problem16_label26.c[3798,3811] [2024-12-06 01:48:35,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:48:35,874 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:48:35,889 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_26be83ee-5af0-4143-8533-dc83ec927494/sv-benchmarks/c/eca-rers2012/Problem16_label26.c[3798,3811] [2024-12-06 01:48:36,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:48:36,060 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:48:36,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:36 WrapperNode [2024-12-06 01:48:36,060 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:48:36,061 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:48:36,061 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:48:36,061 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:48:36,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:36" (1/1) ... [2024-12-06 01:48:36,082 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:36" (1/1) ... [2024-12-06 01:48:36,173 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1769 [2024-12-06 01:48:36,173 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:48:36,174 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:48:36,174 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:48:36,174 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:48:36,181 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:36" (1/1) ... [2024-12-06 01:48:36,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:36" (1/1) ... [2024-12-06 01:48:36,198 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:36" (1/1) ... [2024-12-06 01:48:36,198 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:36" (1/1) ... [2024-12-06 01:48:36,238 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:36" (1/1) ... [2024-12-06 01:48:36,249 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:36" (1/1) ... [2024-12-06 01:48:36,258 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:36" (1/1) ... [2024-12-06 01:48:36,274 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:36" (1/1) ... [2024-12-06 01:48:36,279 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:36" (1/1) ... [2024-12-06 01:48:36,299 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:48:36,299 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:48:36,300 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:48:36,300 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:48:36,301 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:48:36" (1/1) ... [2024-12-06 01:48:36,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:48:36,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26be83ee-5af0-4143-8533-dc83ec927494/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:48:36,329 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26be83ee-5af0-4143-8533-dc83ec927494/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:48:36,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26be83ee-5af0-4143-8533-dc83ec927494/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:48:36,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:48:36,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:48:36,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:48:36,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:48:36,414 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:48:36,416 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:48:38,342 INFO L? ?]: Removed 276 outVars from TransFormulas that were not future-live. [2024-12-06 01:48:38,342 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:48:49,374 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:48:49,374 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 01:48:49,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:48:49 BoogieIcfgContainer [2024-12-06 01:48:49,374 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:48:49,375 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:48:49,375 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:48:49,383 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:48:49,383 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:48:49" (1/1) ... [2024-12-06 01:48:49,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:48:49,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:49,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 01:48:49,433 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 01:48:49,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 01:48:49,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:49,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:48:49,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:48:49,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:48:49,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-06 01:48:49,731 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-06 01:48:49,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 01:48:49,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:48:49,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:48:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:50:48,841 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:50:49,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:50:49,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-12-06 01:50:49,561 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-12-06 01:50:49,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:50:49,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:50:49,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:50:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:55:19,374 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:55:21,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 01:55:22,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:55:22,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 30 states and 54 transitions. [2024-12-06 01:55:22,397 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 54 transitions. [2024-12-06 01:55:22,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 01:55:22,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:55:22,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:55:22,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:59:30,758 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 01:59:31,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:59:31,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 66 transitions. [2024-12-06 01:59:31,448 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 66 transitions. [2024-12-06 01:59:31,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:59:31,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:59:31,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:59:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:58,632 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-06 02:01:58,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:58,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 31 states and 59 transitions. [2024-12-06 02:01:58,995 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 59 transitions. [2024-12-06 02:01:58,995 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 02:01:58,995 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-12-06 02:01:59,000 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 02:01:59,329 INFO L77 FloydHoareUtils]: At program point L118-1(lines 33 1502) the Hoare annotation is: (not (and (<= 0 (+ ~a18~0 75)) (not (or (not (= ~a12~0 6)) (not (= ~a15~0 3)) (not (= ~a16~0 9)))))) [2024-12-06 02:01:59,330 INFO L77 FloydHoareUtils]: At program point L121-1(lines 33 1502) the Hoare annotation is: (or (not (= ~a12~0 6)) (< ~a18~0 135) (not (= ~a15~0 3)) (not (= ~a16~0 9))) [2024-12-06 02:01:59,330 INFO L75 FloydHoareUtils]: For program point L122(line 122) no Hoare annotation was computed. [2024-12-06 02:01:59,330 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 02:01:59,330 INFO L77 FloydHoareUtils]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2024-12-06 02:01:59,330 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 122) no Hoare annotation was computed. [2024-12-06 02:01:59,330 INFO L77 FloydHoareUtils]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (not (and (<= 0 (+ ~a18~0 75)) (not (or (not (= ~a12~0 6)) (not (= ~a15~0 3)) (not (= ~a16~0 9)))))) [2024-12-06 02:01:59,330 INFO L77 FloydHoareUtils]: At program point L1788(line 1788) the Hoare annotation is: (not (and (<= 0 (+ ~a18~0 75)) (not (or (not (= ~a12~0 6)) (not (= ~a15~0 3)) (not (= ~a16~0 9)))))) [2024-12-06 02:01:59,330 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 02:01:59,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:01:59 ImpRootNode [2024-12-06 02:01:59,339 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:01:59,339 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:01:59,339 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:01:59,339 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:01:59,340 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:48:49" (3/4) ... [2024-12-06 02:01:59,341 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 02:01:59,359 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 386 nodes and edges [2024-12-06 02:01:59,362 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-06 02:01:59,364 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 02:01:59,367 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 02:01:59,521 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26be83ee-5af0-4143-8533-dc83ec927494/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:01:59,521 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26be83ee-5af0-4143-8533-dc83ec927494/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:01:59,521 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:01:59,522 INFO L158 Benchmark]: Toolchain (without parser) took 804097.96ms. Allocated memory was 117.4MB in the beginning and 4.7GB in the end (delta: 4.6GB). Free memory was 87.9MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2024-12-06 02:01:59,523 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:01:59,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 635.47ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 78.1MB in the end (delta: 9.5MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. [2024-12-06 02:01:59,523 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.83ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 54.6MB in the end (delta: 23.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 02:01:59,523 INFO L158 Benchmark]: Boogie Preprocessor took 125.00ms. Allocated memory is still 117.4MB. Free memory was 54.6MB in the beginning and 41.7MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:01:59,524 INFO L158 Benchmark]: RCFGBuilder took 13074.95ms. Allocated memory was 117.4MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 41.7MB in the beginning and 1.9GB in the end (delta: -1.9GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-12-06 02:01:59,524 INFO L158 Benchmark]: CodeCheck took 789963.68ms. Allocated memory was 2.3GB in the beginning and 4.7GB in the end (delta: 2.3GB). Free memory was 1.9GB in the beginning and 2.9GB in the end (delta: -969.1MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2024-12-06 02:01:59,525 INFO L158 Benchmark]: Witness Printer took 182.08ms. Allocated memory is still 4.7GB. Free memory was 2.9GB in the beginning and 2.8GB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 02:01:59,527 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 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 789.6s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 161 SdHoareTripleChecker+Valid, 10.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 135 mSDsluCounter, 167 SdHoareTripleChecker+Invalid, 10.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 98 mSDsCounter, 74 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 409 IncrementalHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 74 mSolverCounterUnsat, 69 mSDtfsCounter, 409 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 537 GetRequests, 471 SyntacticMatches, 4 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1709 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 783.1s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 527 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 21/44 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, ConComCheckerStatistics: No data available - PositiveResult [Line: 122]: 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 - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: !((0 <= ((long long) a18 + 75)) && !(((a12 != 6) || (a15 != 3)) || (a16 != 9))) - InvariantResult [Line: 33]: Location Invariant Derived location invariant: ((((a12 != 6) || (a18 < 135)) || (a15 != 3)) || (a16 != 9)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 635.47ms. Allocated memory is still 117.4MB. Free memory was 87.6MB in the beginning and 78.1MB in the end (delta: 9.5MB). Peak memory consumption was 60.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.83ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 54.6MB in the end (delta: 23.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 125.00ms. Allocated memory is still 117.4MB. Free memory was 54.6MB in the beginning and 41.7MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 13074.95ms. Allocated memory was 117.4MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 41.7MB in the beginning and 1.9GB in the end (delta: -1.9GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * CodeCheck took 789963.68ms. Allocated memory was 2.3GB in the beginning and 4.7GB in the end (delta: 2.3GB). Free memory was 1.9GB in the beginning and 2.9GB in the end (delta: -969.1MB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. * Witness Printer took 182.08ms. Allocated memory is still 4.7GB. Free memory was 2.9GB in the beginning and 2.8GB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 02:01:59,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26be83ee-5af0-4143-8533-dc83ec927494/bin/ukojak-verify-CZk0znPC7b/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