./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c44f8-82e9-44e1-a02d-e937e10f2466/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c44f8-82e9-44e1-a02d-e937e10f2466/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c44f8-82e9-44e1-a02d-e937e10f2466/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c44f8-82e9-44e1-a02d-e937e10f2466/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c44f8-82e9-44e1-a02d-e937e10f2466/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c44f8-82e9-44e1-a02d-e937e10f2466/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ee8fbf7ad7c769bb660b4c416c89e8a6070f0c88820552e25f4a5ca5398fd5ca --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:04:38,247 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:04:38,343 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c44f8-82e9-44e1-a02d-e937e10f2466/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-24 18:04:38,353 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:04:38,353 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:04:38,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:04:38,397 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:04:38,397 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:04:38,397 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:04:38,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:04:38,398 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:04:38,398 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:04:38,398 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:04:38,398 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:04:38,399 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:04:38,400 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:04:38,400 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:04:38,400 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:04:38,400 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:04:38,400 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:04:38,401 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:04:38,401 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:04:38,401 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:04:38,401 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:04:38,401 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:04:38,401 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:04:38,402 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:04:38,402 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:04:38,402 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:04:38,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:04:38,402 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:04:38,403 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:04:38,403 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:04:38,404 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:04:38,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:04:38,404 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_0a1c44f8-82e9-44e1-a02d-e937e10f2466/bin/ukojak-verify-ENZ3QT5qd3 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 ! overflow) ) 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 -> ee8fbf7ad7c769bb660b4c416c89e8a6070f0c88820552e25f4a5ca5398fd5ca [2024-11-24 18:04:38,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:04:38,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:04:38,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:04:38,769 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:04:38,769 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:04:38,772 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c44f8-82e9-44e1-a02d-e937e10f2466/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2024-11-24 18:04:42,100 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c44f8-82e9-44e1-a02d-e937e10f2466/bin/ukojak-verify-ENZ3QT5qd3/data/8ff1e1f6c/27717455846348eea8a5cb461c81b3d1/FLAGb63cdc7b6 [2024-11-24 18:04:42,358 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:04:42,359 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c44f8-82e9-44e1-a02d-e937e10f2466/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2024-11-24 18:04:42,367 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c44f8-82e9-44e1-a02d-e937e10f2466/bin/ukojak-verify-ENZ3QT5qd3/data/8ff1e1f6c/27717455846348eea8a5cb461c81b3d1/FLAGb63cdc7b6 [2024-11-24 18:04:42,689 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c44f8-82e9-44e1-a02d-e937e10f2466/bin/ukojak-verify-ENZ3QT5qd3/data/8ff1e1f6c/27717455846348eea8a5cb461c81b3d1 [2024-11-24 18:04:42,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:04:42,694 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:04:42,696 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:04:42,696 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:04:42,704 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:04:42,705 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:04:42" (1/1) ... [2024-11-24 18:04:42,706 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2298ad70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:42, skipping insertion in model container [2024-11-24 18:04:42,706 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:04:42" (1/1) ... [2024-11-24 18:04:42,732 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:04:42,966 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:04:42,978 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:04:43,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:04:43,025 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:04:43,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:43 WrapperNode [2024-11-24 18:04:43,026 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:04:43,027 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:04:43,027 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:04:43,027 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:04:43,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:43" (1/1) ... [2024-11-24 18:04:43,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:43" (1/1) ... [2024-11-24 18:04:43,071 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2024-11-24 18:04:43,071 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:04:43,072 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:04:43,072 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:04:43,072 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:04:43,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:43" (1/1) ... [2024-11-24 18:04:43,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:43" (1/1) ... [2024-11-24 18:04:43,091 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:43" (1/1) ... [2024-11-24 18:04:43,091 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:43" (1/1) ... [2024-11-24 18:04:43,100 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:43" (1/1) ... [2024-11-24 18:04:43,104 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:43" (1/1) ... [2024-11-24 18:04:43,108 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:43" (1/1) ... [2024-11-24 18:04:43,116 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:43" (1/1) ... [2024-11-24 18:04:43,117 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:43" (1/1) ... [2024-11-24 18:04:43,122 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:04:43,123 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:04:43,123 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:04:43,123 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:04:43,124 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:04:43" (1/1) ... [2024-11-24 18:04:43,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:04:43,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c44f8-82e9-44e1-a02d-e937e10f2466/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:04:43,183 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c44f8-82e9-44e1-a02d-e937e10f2466/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:04:43,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c44f8-82e9-44e1-a02d-e937e10f2466/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:04:43,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:04:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:04:43,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:04:43,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:04:43,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-24 18:04:43,227 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-24 18:04:43,296 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:04:43,298 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:04:43,587 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-24 18:04:43,587 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:04:43,652 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:04:43,653 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 18:04:43,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:04:43 BoogieIcfgContainer [2024-11-24 18:04:43,653 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:04:43,655 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:04:43,655 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:04:43,668 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:04:43,668 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:04:43" (1/1) ... [2024-11-24 18:04:43,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:04:43,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:43,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2024-11-24 18:04:43,743 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2024-11-24 18:04:43,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-24 18:04:43,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:43,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:04:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:44,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:04:44,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:44,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-24 18:04:44,094 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-24 18:04:44,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-24 18:04:44,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:44,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:04:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:44,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:04:44,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:44,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2024-11-24 18:04:44,212 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2024-11-24 18:04:44,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:04:44,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:44,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:04:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:44,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:04:44,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:44,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 32 states and 44 transitions. [2024-11-24 18:04:44,356 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2024-11-24 18:04:44,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-24 18:04:44,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:44,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:04:44,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:44,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:04:44,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:44,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2024-11-24 18:04:44,764 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2024-11-24 18:04:44,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-24 18:04:44,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:44,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:04:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:44,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:04:45,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:45,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2024-11-24 18:04:45,069 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2024-11-24 18:04:45,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-24 18:04:45,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:45,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:04:45,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:45,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:04:45,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:45,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 61 transitions. [2024-11-24 18:04:45,565 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2024-11-24 18:04:45,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-24 18:04:45,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:45,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:04:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:45,689 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:04:45,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:45,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 44 states and 64 transitions. [2024-11-24 18:04:45,874 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2024-11-24 18:04:45,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-24 18:04:45,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:45,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:04:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:46,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:04:46,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:46,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 64 transitions. [2024-11-24 18:04:46,062 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2024-11-24 18:04:46,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 18:04:46,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:46,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:04:46,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:46,234 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:04:46,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:46,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 41 states and 56 transitions. [2024-11-24 18:04:46,445 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2024-11-24 18:04:46,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-24 18:04:46,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:46,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:04:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:46,636 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:04:47,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:47,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 44 states and 61 transitions. [2024-11-24 18:04:47,071 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2024-11-24 18:04:47,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-24 18:04:47,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:47,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:04:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:47,213 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:04:47,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:47,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 60 transitions. [2024-11-24 18:04:47,356 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2024-11-24 18:04:47,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-24 18:04:47,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:47,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:04:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:47,548 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-24 18:04:47,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:47,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 43 states and 57 transitions. [2024-11-24 18:04:47,791 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2024-11-24 18:04:47,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-24 18:04:47,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:47,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:04:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:48,055 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:04:48,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:48,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 46 states and 61 transitions. [2024-11-24 18:04:48,587 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2024-11-24 18:04:48,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-24 18:04:48,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:48,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:04:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:48,852 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-24 18:04:48,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:48,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 56 transitions. [2024-11-24 18:04:48,919 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2024-11-24 18:04:48,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-24 18:04:48,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:48,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:04:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:49,094 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-24 18:04:49,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:49,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 51 states and 71 transitions. [2024-11-24 18:04:49,195 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2024-11-24 18:04:49,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-24 18:04:49,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:04:49,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:04:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:04:49,385 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-24 18:04:49,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:04:49,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 40 states and 51 transitions. [2024-11-24 18:04:49,571 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2024-11-24 18:04:49,573 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 18:04:49,573 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2024-11-24 18:04:49,586 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-11-24 18:04:50,075 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) the Hoare annotation is: true [2024-11-24 18:04:50,075 INFO L77 FloydHoareUtils]: At program point L52-2(lines 38 56) the Hoare annotation is: true [2024-11-24 18:04:50,075 INFO L77 FloydHoareUtils]: At program point L44(lines 38 56) the Hoare annotation is: true [2024-11-24 18:04:50,075 INFO L77 FloydHoareUtils]: At program point L40(line 40) the Hoare annotation is: true [2024-11-24 18:04:50,075 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2024-11-24 18:04:50,075 INFO L77 FloydHoareUtils]: At program point L57(line 57) the Hoare annotation is: true [2024-11-24 18:04:50,075 INFO L77 FloydHoareUtils]: At program point L41(line 41) the Hoare annotation is: true [2024-11-24 18:04:50,075 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2024-11-24 18:04:50,076 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-24 18:04:50,076 INFO L77 FloydHoareUtils]: At program point L58(line 58) the Hoare annotation is: true [2024-11-24 18:04:50,076 INFO L77 FloydHoareUtils]: At program point L42(line 42) the Hoare annotation is: true [2024-11-24 18:04:50,076 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-24 18:04:50,076 INFO L77 FloydHoareUtils]: At program point L38(line 38) the Hoare annotation is: true [2024-11-24 18:04:50,076 INFO L77 FloydHoareUtils]: At program point L38-1(line 38) the Hoare annotation is: true [2024-11-24 18:04:50,076 INFO L77 FloydHoareUtils]: At program point L38-2(lines 38 56) the Hoare annotation is: (not (and (< 2 ~counter~0) (<= |ULTIMATE.start_main_#t~post6#1| 1))) [2024-11-24 18:04:50,077 INFO L77 FloydHoareUtils]: At program point L38-3(lines 38 56) the Hoare annotation is: (<= ~counter~0 2) [2024-11-24 18:04:50,077 INFO L77 FloydHoareUtils]: At program point L38-5(lines 38 56) the Hoare annotation is: true [2024-11-24 18:04:50,077 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) the Hoare annotation is: true [2024-11-24 18:04:50,077 INFO L77 FloydHoareUtils]: At program point L30-1(line 30) the Hoare annotation is: (or (= |ULTIMATE.start_main_#t~post5#1| 0) (and (<= 1 |ULTIMATE.start_main_#t~post5#1|) (<= |ULTIMATE.start_main_#t~post5#1| 1)) (and (<= |ULTIMATE.start_main_#t~post5#1| 2) (< 1 |ULTIMATE.start_main_#t~post5#1|))) [2024-11-24 18:04:50,077 INFO L77 FloydHoareUtils]: At program point L30-2(line 30) the Hoare annotation is: (or (= |ULTIMATE.start_main_#t~post5#1| 0) (and (<= 1 |ULTIMATE.start_main_#t~post5#1|) (<= |ULTIMATE.start_main_#t~post5#1| 1)) (and (<= |ULTIMATE.start_main_#t~post5#1| 2) (< 1 |ULTIMATE.start_main_#t~post5#1|))) [2024-11-24 18:04:50,077 INFO L77 FloydHoareUtils]: At program point L30-3(lines 30 35) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_#t~post5#1| 0))) (or (and (not .cse0) (< 1 ~counter~0) (<= ~counter~0 2) (<= |ULTIMATE.start_main_#t~post5#1| 1)) (and .cse0 (<= ~counter~0 1) (<= 1 ~counter~0)) (and (<= ~counter~0 3) (<= (+ |ULTIMATE.start_main_#t~post5#1| 1) ~counter~0) (< 1 |ULTIMATE.start_main_#t~post5#1|)))) [2024-11-24 18:04:50,077 INFO L77 FloydHoareUtils]: At program point L59(line 59) the Hoare annotation is: true [2024-11-24 18:04:50,078 INFO L77 FloydHoareUtils]: At program point L30-4(lines 30 35) the Hoare annotation is: (or (and (<= ~counter~0 1) (<= 1 ~counter~0)) (and (< 1 ~counter~0) (<= ~counter~0 2))) [2024-11-24 18:04:50,078 INFO L77 FloydHoareUtils]: At program point L30-6(lines 30 35) the Hoare annotation is: (or (and (<= ~counter~0 1) (<= 1 ~counter~0)) (= ~counter~0 0) (and (< 1 ~counter~0) (<= ~counter~0 2))) [2024-11-24 18:04:50,078 INFO L77 FloydHoareUtils]: At program point L43(line 43) the Hoare annotation is: true [2024-11-24 18:04:50,078 INFO L77 FloydHoareUtils]: At program point L39(line 39) the Hoare annotation is: true [2024-11-24 18:04:50,078 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 11 17) the Hoare annotation is: true [2024-11-24 18:04:50,078 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 11 17) the Hoare annotation is: true [2024-11-24 18:04:50,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:04:50 ImpRootNode [2024-11-24 18:04:50,107 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:04:50,108 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:04:50,108 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:04:50,108 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:04:50,109 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:04:43" (3/4) ... [2024-11-24 18:04:50,111 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 18:04:50,114 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-24 18:04:50,118 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-24 18:04:50,119 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-24 18:04:50,119 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 18:04:50,119 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 18:04:50,208 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c44f8-82e9-44e1-a02d-e937e10f2466/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-24 18:04:50,208 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c44f8-82e9-44e1-a02d-e937e10f2466/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-24 18:04:50,209 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:04:50,212 INFO L158 Benchmark]: Toolchain (without parser) took 7515.44ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 93.5MB in the beginning and 68.0MB in the end (delta: 25.5MB). Peak memory consumption was 97.7MB. Max. memory is 16.1GB. [2024-11-24 18:04:50,212 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:04:50,213 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.13ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 81.1MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:04:50,214 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.47ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.8MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:04:50,214 INFO L158 Benchmark]: Boogie Preprocessor took 49.86ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.8MB in the end (delta: 977.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:04:50,215 INFO L158 Benchmark]: RCFGBuilder took 530.83ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 61.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:04:50,215 INFO L158 Benchmark]: CodeCheck took 6452.65ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 61.6MB in the beginning and 71.4MB in the end (delta: -9.8MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. [2024-11-24 18:04:50,216 INFO L158 Benchmark]: Witness Printer took 100.90ms. Allocated memory is still 192.9MB. Free memory was 71.4MB in the beginning and 68.0MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:04:50,218 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, 28 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 808 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 473 mSDsluCounter, 535 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 283 mSDsCounter, 446 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1609 IncrementalHoareTripleChecker+Invalid, 2055 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 446 mSolverCounterUnsat, 252 mSDtfsCounter, 1609 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1804 GetRequests, 1650 SyntacticMatches, 74 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3202 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 236 NumberOfCodeBlocks, 236 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 220 ConstructedInterpolants, 0 QuantifiedInterpolants, 584 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 7 PerfectInterpolantSequences, 110/159 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: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((counter <= 1) && (1 <= counter)) || (counter == 0)) || ((1 < counter) && (counter <= 2))) - ProcedureContractResult [Line: 11]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (counter == \old(counter)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.13ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 81.1MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.47ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.8MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.86ms. Allocated memory is still 117.4MB. Free memory was 79.8MB in the beginning and 78.8MB in the end (delta: 977.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 530.83ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 61.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 6452.65ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 61.6MB in the beginning and 71.4MB in the end (delta: -9.8MB). Peak memory consumption was 64.1MB. Max. memory is 16.1GB. * Witness Printer took 100.90ms. Allocated memory is still 192.9MB. Free memory was 71.4MB in the beginning and 68.0MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-24 18:04:50,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a1c44f8-82e9-44e1-a02d-e937e10f2466/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE